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HP tower just turned off, no power light

Q: HP tower just turned off, no power light

Hi all just bought a hp tower as it needed reformatting or a boot disc I turned it on and it got to screen saying thank you your pc is now set up but then the little egg timer came up and after 5 minutes the pc just switched off now no green light on back by psu and no power has the psu just blown or could it be another problem .. thanks in advance

UPDATE - plugged my psu into it and it turned on so im assuming ive been very unlucky and psu has just blown can anyone help me where to get one very cheap pc is a hp media centre m000 I looked on ebay and cant seem to see anything the one in there is the origanal I think which is a 230watt

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Preferred Solution: HP tower just turned off, no power light

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A: HP tower just turned off, no power light

Maybe -
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About a month ago I found my computer tower was still on but the screen was black and the green power light on the tower had turned amber The light wasn t blinking it was steady I had to hold the power button down to get it to shut down and restart It happened yesterday again when I hadn t been near it for awhile and that time and the time before I had FF up with stuff to look at later so I thought it was going into standby mode or something except that it happened again about minutes ago while I was using it No odd noises before the light changes color either Although I have heard a couple odd noises that might be coming from the tower in the last little while It sort of sounds 'on' power tuns light Tower amber? but still like a phone set to ring on pulse but it is pretty quite and two quick rings of two pulses about minutes apart It seems to be fine after restarting Preliminary ideas as to what could be causing this I ve done some basic research and have read that it could be the power supply I will also say that each time it has happened the computer has been on for over hours before hand It is a dell can t mind model right now and is running Windows XP home nbsp

A:Tower still 'on' but power light tuns amber?

worth running dell diagnostics usually press 12 on start up
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i have a dell 2400 that has a similar problem to the one in this thread:

difference is that all 4 lights in the back stay green and there are no odd rings during start-up.
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i am using dell optiplex 780-Mini Tower. last week my pc didn't startup windows and stuck load on dell logo screen with flash light showing 1 - 4 and off LED light. also  didn't access/load boot menu, bios. i tried power on with all external devise unplugged but show same problem.
can you pls help me out. thanks in advance. 

A:dell optiplex 780-Mini Tower. flashing 1 and 4 with off power light

You ram is bad.  F2 Bios setup requires working ram.
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hi, I am going to upgrade my graphic card to ATI 5770 so I need a new power supply which has power about 550--600 watt. But the most frustrating problem is that I failed to find a proper power supply with the correct dimension.
I have an HP pavilion e9300 which uses a very wired power supply tower-150mm(W) 86(H) 140(D). But so far all the PSUs I found is the standard size --150mm(W) 86(H) 150(D) which cannot fit in my setup.

So could any PC God give me some suggestion, please??
Is any PSU with the size of my tower or can I just simply install a bigger PSU which can still successfully power up the comptuer?

Thx in adance.

A:Power supply bigger than the tower - frustrated by HP PSU tower

If the power supply will physically fit your case, it should work fine with your computer. Will the extra 10mm interfere internally with anything inside the PC?
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A:Blue tower light

Maybe the Blue LED is dead. Is your HP still covered by a warranty? You can take it to the repair shop and ask them to fix it.
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So what can I do with it I m trying to free up space on it so that I can use it as a backup storage device for my laptop Can I delete all of the previous OS files off it It ran vista I am also not sure of where to find the files since I really never got a chance to explore Vista before I got a new computer with Also it s partitioned I ve got the primary which is GB and a GB quot Factory Image Drive quot which has recovery files in it from the old PC Can I clear that out I ve already put a backup of my new computer on the old hard drive so I m running out of space I ve got GB free I was thinking of getting rid of the last backup to make room for the new but I m not sure I want to clear out my only backup right before I do a new one So my main questions are what can I do with this external drive what can I delete how can I optimize the extra space I have with this thing Thanks in advance nbsp

A:Internal drive from tower turned external...

I'd copy all the data that you want to keep off the drive then delete all the partitions off it and reformat it as a single partition. You can delete the partitions using Disk Management, to open it right click on Computer and select Manager or type DISKMGMT.MSC in the search/run box. Then right click on the external drive and choose Delete Volume until all the partitions are gone then choose Create Volume. Once you create and format the new partition,m copy the data you want to backup onto the drive.
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First, I must say that I dusted this particular tower with compressed air. I had a little trouble getting the side panel off, and jostled it a little bit.

Anyway, I tried to turn it on this morning and the top light indicator flashes green once, then starts slooowly flashing dark red. I can count to 3ish in between flashes. The bottom light indicator also flashes faintly red.

I should probably add that this has happened before... I just figured I didn't push the power button correctly. Flipping the power strip on and off and trying again resolved always resolved it.

I bought it second hand but it has a sticker with some numbers on the top:

HP compaq
D3|vm|p24|40|k|256cr us
product # DL324A#ABA
SIN: mxd31904pj

2 pics of the inside:

A:Flashing red light when trying to turn on tower?

The flashing LED is an error indicator. The error is identified by the number of flashes:

LED and beep condition Description Power button LED blinks
4 times with 4 beeps Power Supply Power button LED blinks
5 times with 5 beeps Memory Power button LED blinks
6 times with 6 beeps Video Card or Graphics Power button LED blinks
7 times with 7 beeps Motherboard or System Board failure Power button LED blinks
8 times with 8 beeps BIOS or CMOS problem (ROM)
Having said that, if removing/restoring power to the PC resolves the problem, that typically indicates a faulty power supply.
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My motherboard is an AMD Asus F2A55-M LK2 and my processor is an AMD A4-5300 if that helps any.
I tried to Google the problem, but all I got up was info for a Dell PC and mine is custom built.
Does anyone have any ideas?

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Hi TSG One of my friends has been having computer troubles so I told him I d see what I Flashing Solved: Green on Light Tower could do to Solved: Flashing Green Light on Tower help I brought his tower back to my place unhooked my tower after shutting it down from windows and hooked his up I used the power cord from my tower along with all the other attachments - keyboard mouse monitor etc and attached it all to his tower Everything went smoothly Until I tried hooking my tower back up Now when I plug in the power cord to my tower I get a blinking green light The tower won t even turn on at all After I unplug it it slowly blinks out When I plug it back in same problem His computer is an HP mine is a Sony VAIO Mine s roughly years old his is - years old I probably did something I shouldn t have Did the cord somehow configure to his tower and now it won t work with mine Is there anything at all I can do to fix this Will buying a new power cord help Thanks OS XP Processor Pentium Wish I had more specs but I ve had this thing for five years now and can t find where I wrote them down nbsp

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A:Windows XP, power light, hdd light for 1 sec, black screen

oh, also, i did try and search and most I found were a black screen after the self test or the windows logo, not right away.

also, dont think it matters, but when the lights go out, it is at the point where hitting the power button again, the computer instantly turns off.

also, just checked, and its nothing to do with the lcd. I just hooked up my monitor, and my monitor tells me when there is no signal, and it just stayed black, then when it was unplugged from the laptop that is when it said no signal.
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View Solution.

A:HP Envy m6-k022dx Power Light and wifi light come on NOTHING...

Hello @W8WCA?, Thank you for the quick reply! You may consider contacting HP Phone Support for additional options.  Please use the following and create a case for your issue and contact HP. If you live outside the US/Canada, please click the link below to get the contact information for your region. I hope this helps. Regards!
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Hardware Info:
Gigabyte 8I-RXP
Antec 350W power supply


A:PC Turned Off, but CPU fan and HD light On

Yes, I had a power supply that was going goofy, and the symptoms were very similar. In my case most of the PC seemed to shut down but the fans kept running and the hard drive light stayed lit with a little flickering and in my case, if I held the power button down until it was supposed to be a hard off, there was no change so I couldn't restart until fully unplugging first.

New PS solved it.
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Yesterday night it turned off suddenly again and i smelled something burned. And I can't get it back on from then. I still see a light on the motherboard. Any suggestions on what went wrong?

(also, every time when i turn on my computer, there are some small sizzling sound, i don't know if i has anything to do with it..)

Please help!

A:PC Can't be turned on, motherboard light on

It could be that the power supply is on its way out or has died ... i had the same thing happen to me , i took the side case off and checked all the leads , i then took the power lead off the motherbard and found out that 3 prongs were burnt out and a few others were black , if this is the case its a new power supply and possably a new motherbard as well if the power connector looks burnt .

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A:no power to tower , power switch hookup

Not all motherboards are the same. To find the correct header pins you have to refer to the motherboard manual although sometimes the motherboard labels the pins clearly enough so you can figure it out. However, with the motherboard installed in the case, it could be difficult.

If you can't find your manual, try going to the motherboard's manufacturer site to download a copy of the manual (usually a pdf format). If you have a major manufacturer made PC (Dell, HP, Gateway, Emachines, etc.), you might have to try their websites. Good info from those sites might be hit or miss.
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Trying to keep it set to "2", since my other Vista pc works fine with this setting.

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A:Need the Toshiba laptop numlock light turned off, so I can log in without having to p

Usually,you can turn off numlock in the BIOS setup.
Watch the screen when the computer is starting for
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Press that key and enter the bios setup.
Find the setting and turn it off.
May need to check the toshiba website for instructions on how to
enter the bios setup.
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A:Satellite A200 screen back-light is turned off

This part of the message is very interesting:
>You can faintly see the screen it still switched on but it's too faint to read.

According to your description you can see the screen and possibly the desktop too but the whole display is very faint like behind a thick fog.
Could it be right?

Well, I think this issue could be related to the FL inverter malfunction.
The FL inverter is a tiny part hidden behind the screen frame and it controls the screen?s backlight.

In my opinion this part should be checked by a notebook technician.
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It's working fine ever since (touchwood) but I wonder what could have been wrong with it that day. Any ideas please? The router/modem's firmware version is R100B02.7AS.D.


A:ADSL router/modem's status light turned off

I am unfamiliar with your product.

Is the status light on again? If not, the LED might have burned out. If it is on again, the LED might be defective. BUT, if you lost connectivity at the same time, that explanation is unlikely accurate.

On the high speed connections with which I have familiarity, the "status" light indicates whether or not the product is working. It might not work for any of the following reasons.
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Note, the list is not intended to be complete.

If this were my problem, I would contact my ISP & the cable modem manufacture's tech support division.

I hope your system stays up.

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A:Background on laptop Edge 13 has turned from white to light blue

Work through these same steps for Troubleshooting Windows 7 Failure to Start
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A:A25-S2792 doesn't power up yellow light flashes after pressing power button

The motherboard is bad. Have you tried reseating the memory?
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A:No power, no lights but green light on power supply blinks rapidly

Remove the laptops battery and try the AC power only. If the green light does the same, it still could only be a bad AC adapter, or at worst, a shorted laptop motherboard
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A:Inspiron 15R N5110 - Will not power on, blinking white power and gear light

Hi brockalee,
Both the Motherboards 0G8RW1 and 0VVN1W are compatible with this model and there is no difference. 07GC4R is also compatible with this model.
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I had successfully used the laptop for a while after replacing these parts, but now it won't turn on. Whether I'm on battery, AC power, or both, it only flashes/pulses when I press the power button. If I hold the power button, it will shut off.
What's wrong here? I have checked and re-seated both memory modules, also testing both slots and nothing changed.

A:Inspiron 1545 Won't Power On, Pulsing Power Light Like When In Sleep Mode

Thank you for the update.
Well, when you power on the system, if you hear the fan spinning and the HDD turning on, connect an external monitor and check if there is any display.
Reseat the cmos battery and check when possible. Since the system draws power from the adapter, at this point, I would not suspect the adapter. Also, remove the memory modules and disconnect the HDD and check if the system comes on and beeps - indicating a missing HDD / memory.
As advised in my previous post, if nothing works and the indications do not change, I would suspect the motherboard.
Let us know if you have any other queries.
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A:Tower not getting power?

Hi garaboldi,

This might sound daft, but I've done it before. Have you made sure that you have plugged it in and switched on at the wall socket? Is there power to the wall socket? Try with another appliance that you know is working. Does the fuse need changing in the plug, and is the wiring secure?
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I just got back from being out of town; went to check my email and my computer won't turn on. Everything else is getting power just fine: printer, scanner, router, modem, keyboard, screen. The light won't even come on on the tower. I have: unplugged and replugged from tower and the wall; tried a different and known-to-work power cord; used the toggle on the back of the tower to turn on and off; held the on button in for 5-10 seconds; opened up the case and made sure everything inside is seated firmly.

Any thoughts? I'm a pretty basic user but can follow directions!


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i have tried to power it up with power ac plugged in and without. on/off power button flashes white.
battery is inside "sealed" and may be difficult to access.
ran fine yesterday, shut down with 20% battery life.

if the ac plug is unplugged then i can get the led to turn off but once pushed, it ony flashes. no results

warranty is expired.
unit manufactured april 23 2015

i currently have it plugged in but no flashing light as i have not pushed the power button. im hoping that it will take a charge or correct itself with time.

what do you suggest? thank you

A:i have a lenovo edge 15 model80k9. led power light is blinking but computer will not repond. no power up . the battery is "s

Try the following...

1. Take out (or take it off) the charger.
2. Next take out the battery
3. Now hold down power button for 20 seconds and then rinsert battery.
4. Now put it on the charger again

NOTE: Make sure charger is plugged into the main power supply (not an extension cord, surge protector, etc.)

Sometimes, when the device is not plugged in directly, it doesn't get the power it needs. Holding the power button, while you restart it, clears out the temporary ram (no it won't delete anything you have saved) and will give the device access to the ram it needs.
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Power light adjacent to power cord blinks white but laptop does not turn on! What is the solution to get my laptop to turn on?

A:Powerbook 450 G1 - Power light adjacent to power cord blinks...

Hi there, Please follow the instructions mentioned in the following document and check if this helps resolve the issue: Hope this helps!

Although I am an HP Employee, I am speaking for myself and not for HP.Make it easier for other people to find solutions, by marking my answer ?Accept as Solution? if it solves your problem.
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I have a Sony VGC-RB42G computer. I recently moved my computer, cleaned off all the dust, and when I plugged everything back in, it won't power up. The light on the power supply blinks green, inside the motherboard also has a green light that blinks as well. It has a ticking sound too, but I am not sure if it is coming from the power supply or the motherboard. Any idea what could be wrong.

FYI, I have already unplugged everything from the power supply, pulled out the ram, checked the battery, and put everything back together and still no change. One thing I thought was strange was after I unplugged everything, I pulled the power into the power supply again and this time the green light came on but did not blink. It stayed solid.


A:No Power, Blinking green light on power supply and motherboard

Sounds like a Power Supply problem.
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Hi everyone,

My pc just shut down this morning. I had a spare power pack- brand new and I fitted that.

Windows ran perfectly for 10 minutes then the same thing happened again!

I noticed on both occasions, that even after I had removed the extenal power lead, the green power 'on' light kept on flashing on/off.

I have never noticed that before when a power pack 'blew'.

Does anyone think I was unlucky with a 'duff' replacement power pack?

Is the flashing power light indicative of some oother fault?

Any and all help welcome. PLEASE!

Many thanks.


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My computer was down when I came back from lunch and could not get it to come back on.  If I hold the power button down for about 7 seconds it blinks orange but there is not noise from the fan coming on or post beep.  Also the green light on the back is not on either. All of the other equipment sharing the same power strip come on but not the desktop so it is not the power strip.  I also tried to set it up in another office on a completely different circuit and still does the same thing. What should I try next?

A:OptiPlex 790 Wont power on power light blinks amber

Which form factor, desktop, mini-tower, small form, ultra-small form?
From the (desktop) manual: Blinking amber light indicates a problem with the system board.
Are any of the 4 diagnostic LEDs on when it won't boot? ,They're on the front of the PC next to the power button. Look up error codes in the manual.
Possible power supply failure if the green light is off on the back. Can you try a different power cord? What happens if you push the power supply diagnostic button on back of PC next to that (green) power light?
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Dell E Intell Pentium D g memory WinXP I have been having a problem starting my computer from the tower Called Dell the first time but it just orange Can't flashing has light start start, tower on button, happened to start up while I was talking to them They said I probably pushed the button on a slant Well it has happened twice since I shut down normally last night Can't start, tower has flashing orange light on start button, amp this morning pushed the start button made sure I wasn t quot slanted quot same thing I get a flashing orange light and then a voice that says quot Press repeat button to receive setup instructions quot Where is a repeat button I have held the start button in for a minimum of minutes but it won t shut off Pulled power amp let it sit for min amp tried again flashing orange So I just let it continue flashing and this time it finally shut off Went to start again walla it started Now this is the third time and I am afraid the next time it won t start ever Someone out there able to help Was surprised at Dell trying to sell me tech help in North America so I could get faster response time amp a North American This was before they would start to answer my question nbsp

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Hi Guys

I recently installed w7 fresh install and all of a sudden my display and tower will not power down anymore.

Any ideas would be appreciated.

A:display/tower won't power down

What does it do when you try? As in, how far does it get?

I am assuming you are just clicking Start>>Shut Down. Is that right?
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When I boot up my system it gets to the CD drive and then the hard drive light comes on but it doesn t go past that It just a Power/Tower Maybe ? problem hangs and the monitor doesn t show the boot up progress But If I turn on the power then off then on again real quick the system beeps and boots up like normal I am assuming it is a power button malfunction or power gone bad on the tower in general Maybe a Power/Tower problem ? But When I go to shutdown it does its usual thing but then there is no quot it is now safe to shutdown quot screen and the hard drive light is red and hangs but whenever I boot up it doesn t try to scan for errors So the system thinks it is shutting down like normal I downloaded and installed the latest Via Hyperion in drivers which my motherboard works off of and it didn t help I have the latest update for McAfee and it doesn t find any viruses nbsp

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our office desktop tower will not turn on...we've disconnected the power sources etc and still nothing?

A:desktop tower power

What exactly do you mean by this?
we've disconnected the power sources etc and still nothing?Click to expand...
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Being a mini-tower, will it definitely need a specialized power supply, or will a standard PSU work?

If it needs a specialized PSU where do you suggest getting them and how - would I take the dimensions of my PSU and then talk to a manufacturer? Or would buying a new case along with a standard PSU be cheaper?

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Hello. My new (1) month old computer has no power. It's a tower but has a power supply on the cord like a laptop.90W 19.5V.My multimeter says it is only putting out 16 volts.Computer does nothing. Would a 3.5 volt drop in this power cause this?HP support only open 9-5 M-F and it's Sat night.Seems like such a small power supply for even the little tower this is.Can I get this under warranty?Thanks for your time.Robert
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So yesterday I tried to turn on my Pc at home. the lights on the tower turned on for a split moment and a fart in the wind, it was gone
I checked my motherboard and Ram Strips for visual burns or discrepency, but they look as new as they where when I first got them

I assume that leaves either my Hard drive or my Power Supply went there anyway to check for these flaws without taking everything apart?

or anything I might be missing as far as trouble shooting goes?


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I left for the weekend with the computer on, but screen saver running..blah blah....I come back to the power off in my room. It seemed that there was a surge or the breaker popped. But, now that the power is back on everything in my room is fine, except the computer tower. The monitor, speakers and everything else is fine, but the tower won't turn on. I even used the same power cord for a different tower in my room and that turns on, but my computer won't. Anyone have any suggestions, I'm kind of stumped and tapped out on ideas?

A:Possible power surge, now tower won't come on

Top suspect would be the power supply, it's the first thing in the line of any surges.
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Please I need help, my system power light comes on and goes off immediately after I press the power button. Please what should I do?
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A:Pavilion elite power supply light on, won't power up

As you did not mention any message or display on the screen, I would use this tutorial for a step by step diagnostic.  It also helps to remove the side panel, and visually watch the CPU and rear case fan movement(s).  As you press the power button, pay attention to the fans. Also does the Power Supply LED stay ON? Or did it go OUT when you pressed the power button?
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Daughter last used laptop on battery power and ran id down completely until computer shut off. She plugged in the power cord and it would not come on when pressing the power button.  Laptop was plugged in overnight and this morning same issue - the power light just blinks five times when you press the power button. This is the same behaviour whether plugged into power or not. I've tried holding down the power button. Tried with battery removed and A/C power, but then no light comes on at all.  I've tried removing the battery and A/C power, holding the power button down for 30 seconds, then install battery and plug in A/C power, but no difference.  I tried a different A/C power adapter and no difference. Any ideas?     

Go to Solution.

A:Aspire V5 wont power on. Power light blinks five t...

I had an object hold down the power button all day.  I now plugged in the A/C power, and it started right away.  Problem solved. 

View solution in original post
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Not sure if i'm in the right place or not so apologies in advance.
I've just bought a new tower with Windows 7 on it and tried installing it today, it's now 12 hours later and i cannot get monitor, keyboard, mouse to work. They were working last night with the old tower. The light comes on the monitor but turns to orange and says No signal.
The buttons on the front don't wnat to work at all i have to use the one at the back and i have no clue what to do next.
I thought it would be a good idea to buy exactly what i wanted but maybe i've made a mistake and should have bought one 'all in'.
Trouble is i'd bought the accessories not too long ago and i was loathe to buy new just for the sake of it.
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I have a Precision Tower 3620 recently acquired and I am installing a BARCO MXRT 7500 video board. This board need a 8 pins connector to the supply the operating voltages. 
The power supply does not have this connector and its capacity is only 290 watts. In order to supply the video board and increase the capacity and want to change by other power supply.
I want to know if DELL has a large power supply that include this 8 pins connector for use whit this 3620 tower?
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I have recently bought a New tower( a super tower) a new power supply, 500 volt ATX 2.0. I have tried two motherboards and I can't even get to BIOS. Would this possibly be the CPU? Keep in mind that I tried the bare minimum took out everything except the video card and the power to the motherboard. Any suggestions would greatly be appreciated. Unfortunately I can't remember the exact type of motherboard, as I am away from home at the moment.

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Hello I am new to building the pcs so I am afraid I may have fried mine I really am pry I did not but this is what happened I finish tower Power will not work button My the pc and My tower Power button will not work when I turned on the power supply the power button on the motherboard glowed so then I pressed my tower button and nothing worked so then I re setup he F PANEL cords u know the pwr switch and all that jazz turns out it was set up wrong so I put them in right and tried to turn on the computer again the power button on the motherboard turns on but not my towers power button and so my pc will not officially turn on I am guessing and I am worried that I may have fryed my pc because when I took out the f panlle cords I realized my pc was still on and turned it off immanently and I am afraid that may have fryed the motherboard if anyone can help me it would be wonderful I am freaking out and have no Idea what the problem thank you for reading P S My tower button does not making a clicking sound when you push it I am not sure if that normal or it is broken or somthing it just doesnt make any click sounds nbsp

A:My tower Power button will not work

You could have a defective power switch on the PC case. Test this by using the reset switch as a temporary power switch. The power switch and the reset switch are the same for practical purposes except, of course, the size of the button (on most cases). If the reset switch works and is able to start the PC, then you know the power switch is defective.
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I first logged out of my computer and came back and I noticed an power on turn There on. light is won't button b... Power the no orange light on the power button I shut it of and turn it back on about two times with the same results of an orange light I then shut of the the extension that houses plugs When Power button won't turn on. There is no light on the power b... I turned on the extension I turned on the computer the power button didn't give off a blue light or orange light The VGA cable mouse keyboard Ethernet cable are all plugged in I later removed all the connects to the computer gave it a minute and Power button won't turn on. There is no light on the power b... plugged it all back in There is a solid green light on the back under the power cable The fans turn on there is noise coming from inside the computer a soft humming and light fan from the back of the computer But the power button will not turn on The monitor light is orange and says No Input signal Input Go to Power Save When I switch to input it reads Cable Disconnected Go to Power Save What internal issue could this be
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So I hooked my pc up after I took it w/ me to work becuase I though I was going to a lan tonight. But when I came home and plugged it back. I noticed the power supply box light was blinking. And it wont turn on. No power or what so ever. I need help BADLY


A:Power Supply Light Blinking. No Power :(!

Have you opened case to make sure all connections are secure? Something may have come loose while you were transporting it. Give us more info about your computer (e.g. make and model, cpu, ram, name of psu, etc.)
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We purchased two M800 Full size tower machines.  We need to add additional drives, but the PSU only allows for one additional SATA Connector.  The PSU is using a 10+4 pin connectors and I cannot find a PSU or adapter to adapt a 24 pin PSU.  What options do I have?  Is there such an adapter?
Mod:  edited Sunbject line to reflect the greater scope of the solution

Go to Solution.

A:M700/900 Tower: upgrade power supply with after-ma...

Drives, especially SSDs, require every little power.   Why not use SATA power splitters, rather than replacing the power supplies.
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i have searched the forum but have not been able to find anything that says it is ok to use a regular atx power supply in an optiplex 960 mini tower.  I have an 620 mini tower and it uses a regular atx but no info on the 960.  Anyone know if it is ok , or have to use dell only power supply

A:atx power supply with optiplex 960 mini tower

Optiplex 960 MT power supply upgrades
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I am having trouble with the prongs where the power cable is plugged in on the back of the tower. The computer does not come on unless I jiggle the prongs. The computer stays on just fine, then, so long as I don't turn it off. If I have to turn it off, then to get it on the next time, I have to jiggle the prongs again. I have already replaced the power cord, so I know it's not that. Have you ever heard of this happening? Is it possible to replace this part?
Thank you for your help! Maggie

A:plug for power cable on back of tower

That power cable goes into the power supply. If the cable is good, there is something wrong with the prongs of the power supply. Do you have a spare to swap to confirm?
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I'm looking to upgrade my HP z230's power supply from the base 400w to something around 600w, doing research however I learned that HP's motherboard is not compatible with normal 24 pin inputs but with a 18 pin input as such I have not been able to find a power supply that fits my system, does anybody have a solution to my problem?
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We purchased two M800 Full size tower machines.  We need to add additional drives, but the PSU only allows for one additional SATA Connector.  The PSU is using a 10+4 pin connectors and I cannot find a PSU or adapter to adapt a 24 pin PSU.  What options do I have?  Is there such an adapter?
Mod:  edited Sunbject line to reflect the greater scope of the solution

Go to Solution.

A:M700/900 Tower: upgrade power supply (with a stand...

Drives, especially SSDs, require every little power.   Why not use SATA power splitters, rather than replacing the power supplies.
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I cannot get nbsp an OptiPlex Mini Tower to power on It had been running fairly continuously in an office environment on a APC battery backup surge protector until it failed Monday morning no Tower exterior Mini 755 won't OptiPlex power on, lights Then there was some orange light that was flashing or continuous When the computer was turned off it would not come on again OptiPlex 755 Mini Tower won't power on, no exterior lights Sorry for the vagueness but this is second-hand information I found a fair amount of dust inside but I ve seen far worse on computers When I push the power button I get no change no light in the power button no diagnostic lights no sounds no OptiPlex 755 Mini Tower won't power on, no exterior lights fan movement When I connect it to power the quot AUX LED quot light on the motherboard comes on a solid nbsp yellow amber so the PSU is putting out something Is this likely to be a PSU problem Is there some way to pin it down other than buying a replacement PSU Thanks for any help Joe M
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How much ram can be installed in a m70e? i've seen sites that offer 8GB sticks.
Also is the power supply universal?
Mod:   edited title to describe the greater scope of thread

Go to Solution.

A:M70e Tower-memory, graphics & power supply upgrade

If you don't wish to buy memory from Lenovo, both Kingston and Crucial have 'System Specific' memory for your system that are guarranteed to work. Memory timings must be match what the BIOS expects for the system to recognize it, and generic memory often doesn't work.   
Use your Hardware Maintenance Manual for instructions on how to upgrade the memory. After making any memory change, run 2 passes of MemTest86 to ensure all is well.    A few older system types (eg. some models of M58), required a BIOS update to support 4 GB modules.   I'm not familiar with the M70, but it's probably similar to the other models.   If you take the cover off and measure the existing supply, then you'll know if it is a ATX or TFX standard. )
The Mini-Tower uses a standar ATX power supply, and the SFF a standard TFX pwer supply. A power connector adapter (ATX to Lenovo) is required for M92 and forward. For the SFF, the maximum aftermarket TFX is 400w, with 350w being more common -- not a huge increase over stock. For the Mini-tower, I have had an 650w aftermarket Corsair in mine (I recommend one that is semi-modular and shorter, as space is limited inside the case.
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When turning the PC on the PC on light will ight up, but when i press the button to turn it on nothing happens... I'm sure this may have an effect on it, so let me give you the history of the computer. I was installing a USB card reader, and when i plugged it in the computer shut down and shorted out (i suppose) and then it actually smelt like something was burning.. Am i screwed? or is there an easy fix to this?

A:PC gets power light to light up, but nothing

Hello there. It's definately not good when you smell something burning.

I'm assuming all you did was plug the USB connector of the card reader into a USB port on the back, correct? Your case was not open or anything?

I am venturing a guess that either there was debris in the USB port when you plugged it in, or your computer was not properly grounded, or something happened to the power supply.

Your next step would be to determine what device has failed. Turn off your computer, remove the power cord to the power supply, and open the side of the case. Carefully take a look at your motherboard. Are there any visual signs of something that got fried? If you have a second computer, you may want to use that to test each part of the fried machine: the RAM, the power supply, etc.

Let us know what your situation is in better detail!
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I have a Dell OptiPlex GX mini-tower smallest one thereis and the original W power supply died a few months ago without warning I ordered a new power supply but accidentally ordered the wrong size W for one of the larger towers I used it in the meantime until I could get the proper size although the W supply wouldn t fit in the mini case I left it out of the case and ran the wires through the power plug hole The computer booted up just fine with this W power supply I finally got around to ordering the W smaller correct size but that power supply would not boot up the computer just got an amber flashing light Thinking it was OptiPlex supply GX280 power mini-tower problem Dell just faulty I sent it back and requested a replacement The replacement did not work either I Dell OptiPlex GX280 mini-tower power supply problem ordered a third replacement and the third did not work either So now I am back to using the W power supply No HP-U F which does not fit in the computer housing I know these Dell OptiPlex machines are notorious for having power supply and capacitor issues But the question is why will the computer power on using the W power supply I contacted Dell and they were of no help whatsoever The guy told me that W wasn t enough to power my machine and to order a W power supply correctly sized for my chassis Gee thanks First of all they don t make W that fit in the mini towers and second of all why did it used to work just fine Oh and no I have not upgraded anything i e video card etc which could have caused the need for extra juice Thanks in advance for any assistance nbsp

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Older Dell Optiplex GX tower model Okay first I extra come board on, to power won't light Power a harddrive from an HP older system that had just recently crashed Now I want to read that drive right I put it in as a nd drive in my Dell Optiplex system set the jumper to cable selected Power light won't come on, power to board go into BIOS and select Power light won't come on, power to board my st drive to show Power light won't come on, power to board it as AUTO I hit Save changes upon rebooting it it gets to the end of logo display and freezes Weird never saw that before I think crap maybe the IDE cable is set wrong or something I remove the cable and molex plugs from both HDD s after the power is off and set it back to the way it was When I reboot I get to the end of the logo again and it freezes and I can t even get into BIOS Very strange Well I go back again to check my work and see it is fine with how the IDE cable is sitting and the Molex plug Now the system won t even power on The light to the MOBO is on but the system won t start I undo the front panel and work to see if the cable is worn but it is not and it appears to be fine The light to the signal will not work to go green at all What do you think could be most common issue of this and why I don t have a multimeter to test the system with and I don t know if it s more than a passing problem I have never encountered anything like this were a system worked fine then you attempted to just read a nd HDD and it started to cascade a bunch of problems to the system Any help or ideas are much appreciated thanks nbsp

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A:Webcam light turned on, "suspicious activity" alert, don't know what's going on


They call me TwinHeadedEagle around here, and I'll be working with you.

Before we start please read and note the following:

At the top of your post, please click on the "Watch thread" button and make sure to check Watch this thread...and receive email notifications. This will send an email to you as soon as I reply to your topic, allowing me to solve your problem faster.
Please do not install any new software during the cleaning process other than the tools I provide for you. This can hinder the cleaning process. Please do not perform System Restore or any other restore.
Instructions I give to you are very simple and made for complete beginner to follow. That's why you need to read through my instructions carefully and completely before executing them.
Please do not run any tools other than the ones I ask you to, when I ask you to. Some of these tools can be very dangerous if used improperly. Also, if you use a tool that I have not requested you use, it can cause false positives, thereby delaying the complete cleaning of your machine.

All tools we use here are completely clean and do not contain any malware. If your antivirus detects them as malicious, please disable your antivirus and then continue.
If during the process you run across anything that is not in my instructions, please stop and ask. If any tool is running too much time (few hours), please stop and inform me.
I visit forum several times at day, making sure to respond to everyone's topic as fast as possible. But bear in mind that I have private life like everyone and I cannot be here 24/7. So please be patient with me. Also, some infections require less, and some more time to be removed completely, so bear this in mind and be patient.
Please stay with me until the end of all steps and procedures and I declare your system clean. Just because there is a lack of symptoms does not indicate a clean machine. If you solved your problem yourself, set aside two minutes to let me know.

Please attach all report using button below. Doing this, you make it easier for me to analyze and fix your problem.

Do not ask for help for your business PC. Companies are making revenue via computers, so it is good thing to pay for the repair.

Rules and policies

We won't support any piracy.
That being told, if any evidence of illegal OS, software, cracks/keygens or any other will be revealed, any further assistance will be suspended. If you are aware that there is this kind of stuff on your machine, remove it before proceeding!
The same applies to any use of P2P software: uTorrent, BitTorrent, Vuze, Kazaa, Ares... We don't provide any help for P2P, except for their removal. All P2P software has to be uninstalled or at least fully disabled before proceeding!

Failure to follow these guidelines will result with closing your topic and withdrawning any assistance.

There are some unwanted programs and settings hijacks we need to take care of.

Multiple Resident Protection warning!

Always have one (and no more than one!) AntiVirus program! In this case having more of them will not provide you with better protection - instead they may cause slowness, lock-ups and even mark another ones as harmful, leading to leave your system unstable and even damaged. Please choose only one from the listed below to stay with and uninstall the others:

Ad-Aware Antivirus
McAfee Anti-Virus

Uninstallation procedure:

Press the + R on your keyboard at the same time. Type appwiz.cpl and click OK.
Search for each uninstalled entry, right-click it and select Uninstall.
This should be done until any other steps will be taken.

I also suggest to uninstall Spybot.

Fix with Farbar Recovery Scan Tool

This fix was created for this user for use on that particular machine.
Running it on another one may cause damage and render the system unstable. ​
Download attached fixlist.txt file and save it to the Desktop:

Both files, FRST and fixlist.txt h... Read more
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The led on the motherboard will go on for a second and then go off when power cord is inserted to plugin or when power is turned on.

A:Led on motherboard comes on and goes off when power turned on

Thanks for that interesting piece of info.
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I'm fixing my cousin's HP desktop. It was working before. But one day this happened after he turned off his pc and met his problem on the next day.

Now, whenever the pc is turned on, psu is on, cpu fan and case fan spin but they will stop spinning in a few seconds. Then only those two fans stop spinning while the psu fan is still spinning and the power button on the case is still lit. When I turn on the pc, no beeps come out and nothing shows up on the monitor. It just remains black after the cpu fan stops. And the pc doesn't restart automatically like when cpu is over-temperature.

If anyone knows what the problem, please let me know. Thanks a lot!

A:Power Supply Is On But CPU fan turned off


Has any cables been unseated?
Perhaps the PSU is at fault..if that is ok, then the Motherboard needs diagnosing.
If the lights come on, the PSU may still be at fault.. i.e not giving sufficient power for whatever reason.
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Hi All My G F s old EMachine T has no activity in the computer when its Has No On Power EMachine When Turned turned on It is a Windows Xp Desktop no frills model but she likes it and has gobs of stuff on it I suspected the Power supply unit as it had Nothing no beebs lites na-da I replaced it I aquired one off of Ebay It was exact part number etc Installation was normal When I turned on the power button The green LED on the EMachine Has No Power When Turned On Motherboard did light up I thought good here we go And that was it No H Ds spining nothing Nothing displayed on the monitor All the new Power Supply did was lite up the green motherboard LED Anything you kind folks can think of I swapped RAM unplugged each Drive unit even swaped the H D just to be sure Cant boot into Safe mode either Im suspecting a Motherboard too Whatcha guys think I know I know its an EMachine Thx in advance -Dez nbsp

A:EMachine Has No Power When Turned On

The gods do not favour this one
When the power supply went it may have taken out the motherboard as well
It may be time to give up on this machine.
With a bit of luck you should be able to hook up the drive as a slave in another machine and recover the data from it
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A:fix it power button turned bad

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Okay so last night my power went out for like half a second, and I was on my computer and it turned off also.

So how do I check if everything is okay?


A:My computer turned off when power flash...

Originally Posted by adeang

Okay so last night my power went out for like half a second, and I was on my computer and it turned off also.

So how do I check if everything is okay?


turn it on? I can't see how else you'd check
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A:Sharing with computer turned off/low power?

No, you'd have to wake the computer on a LAN event to bring it out of the low power state. Or you could purchase a Network Attached Storage appliance on your network.
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A:power light

Its a setting built in to the computer to tell you that it is sleeping and not off.
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not sure where to start

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A:power light goes on for 5 sec, then off.....nothing else happens
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A:Power doesn't automatically turned off after shutdown

1: Click - Start - Control Panel - Performance and Maintenance - Power Options

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A:Flashback LED is flashing when power Supply turned on

No idea but slight suggestion Power supply???
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