0
votes
2answers
44 views

Power supply or graphics card? [closed]

I have been having issues with my PC randomly shutting down and believe I have narrowed it down to two possible issues, either my PSU or my GPU. Back story: I got a newish computer (less than 1 year ...
0
votes
0answers
22 views

Powering a HP BL680c Blade Server Without a Rack

I picked up an old HP BL680c from a computer surplus store and have no rack with which to power it. The board seems to indicate that it merely requires 12V in. When I try to run it off of regular 12V ...
-1
votes
1answer
64 views

How to determine why computer won't turn on? [closed]

I have a PC that I built myself (parts list). It has for a number of months refused to turn back on after there's a power failure. I've had to pull the plug out of the back, and then plug it back in ...
2
votes
1answer
132 views

Diagnosing power supply failures

I had my power supply experience a catastrophic failure (distinctive crack and electrical discharge noise, electrical burning smell) not long ago. It had been in use for over two years before failing ...
0
votes
1answer
569 views

computer shut down suddenly and now won't boot

I have a DIY computer that was built about 3 months ago, and worked fine until this week where it shut down suddenly while using Word. The only other application running at the time was Google ...
-1
votes
1answer
310 views

IBM ThinkCenter doesn't power up?

My old ThinkCenter M-8143 doesn't boot. When I press the power button nothing happens. It's a brand new power supply, so can't be an issue with the PSU. *If I remove the 4-pin CPU power connector ...
0
votes
1answer
473 views

How to confirm a dead motherboard is the reason why a PC does not power up

I have an old PC assembled from components. All of a sudden I cannot turn it on. Nothing except the motherboard strobe light turns on. No fan, no hard disk spin, no nothing. I have unplugged ...
0
votes
3answers
1k views

Computer making strange sound when turned on, ever since power outage

Recently we experienced a power outage, and the PC was off. However, once the power came back, I switched on the PC and heard a strange noise - almost as if the hard disk or fans were struggling to ...
2
votes
2answers
1k views

Dell inspiron n5010 has failed to recognize AC adapter

Recently my dell inspiron n5010 has failed to recognize my 90W adapter (despite powering it just fine). Full error message: "The AC power adapter wattage and type cannot be determined. the ...
1
vote
2answers
192 views

Building PC with old parts - Burning CPU Smell

Alright, so I'm trying to build a computer with some old parts I had lying around here. (which used to be a single computer already so they must be compatible if they were before) At first I tried to ...
0
votes
1answer
1k views

IBM thinkcentre desktop doesn't boot up, green and orange LEDs on power supply

When I checked the back of the computer I see both orange and the green LEDs at the back (powersupply) are turned on and the desktop doesn't boot up. Then I remove all the cables from the powersupply ...
0
votes
1answer
228 views

24-pin power supply will only work on 20-pin computer

A couple of days ago my PC's 24-pin ATX power supply began to make a bad, electrical burning smell. I took it off and replaced it with another (working) 24-pin supply I had lying around. That worked ...
0
votes
1answer
458 views

My ASUS 1005HA will not turn on

My Asus EEE PC 1005H refused to turn on this morning. No lights went on, and there's nothing on the display, it seems completely dead. It worked alright yesterday but I noticed this morning nothing ...
1
vote
1answer
415 views

How to fix Asus Eee PC 900 startup issues after failure?

My Asus Eee PC 900 shows no signs of life. I push the power button and get no response from anything. No lights, no power, no boot-up screen. It has been like this since I received it from a ...
0
votes
1answer
280 views

High pitched whine when laptop plugged in

My relatively new Toshiba Portege r705 laptop (running Linux) has started making a high-pitched whine when plugged in. The sound is usually only noticeable when the laptop is in use and the battery is ...
2
votes
5answers
1k views

When I turn my built computer on, it immediately shuts off

Alright, so I built a custom tower about 2 years ago, everything was working beautifully until yesterday. I was messing around with Blender 3D when my computer shut off on it's own during a render. I ...
1
vote
3answers
2k views

Computer makes hissing noise, turns off after few seconds

I have a problem similar to the questions posted here and here. This is my config: Asus M3N78-EM, with AMD Phenom X3 720 2800 Black Edition, 4GB Transcend DDR2 RAM, Nvidia 9400GT. HD is a 160 GB IDE, ...
5
votes
6answers
1k views

Can a grounding problem damage computers immediately?

Can a grounding problem damage computers immediately ? I have transferred my office. New office did not have grounding. I tried to boot 4 computers. Two of them booted. One of them hung while ...
5
votes
4answers
569 views

Computer turns off unexpectedly

My computer turns itself off unexpectedly after some time of use. It appears that this might be temperature related, but not for sure. I installed 2 tools that monitor temperature: SpeedFan and CPU ...
0
votes
4answers
1k views

Building new computer, turns on, but no POST

Pardon my ignorance here. I finally decided to put together a computer and egads. I purchased a new motherboard, power supply, processor, video card and memory. ASUS M4A79XTD EVO AM3 AMD 790X ATX ...
6
votes
3answers
1k views

Can computer crashes and reboots be caused by weak power supply?

Recently I replaced the videocard in my PC for a newer, faster one. All games work perfectly but I get random system crashes and reboots. This happens even when the system is almost idle (browsing, ...
1
vote
3answers
196 views

Computer will not boot

Yesterday when I turned on my PC the fans began to spin as usual but my monitor did not display anything. I tried various troubleshooting techniques (including trying a different screen and cable) but ...
0
votes
1answer
420 views

xfx 680i motherboard failure?

At some point last night we must have had a blip in our power, as the stove clock was blinking like it would had their been... a blip in the power. When I came into my office this morning, my desktop ...
0
votes
3answers
218 views

CPU not powering up

Tried disconnecting the PSU and checked it by shorting green and black wires. It is working. However, when I connect it back to the motherboard and try to switch on the computer, all I hear is a faint ...
0
votes
4answers
1k views

120 mm fan connected directly to power supply?

Has anyone tried this before? When i bought my 120mm fan, it came with a power adapter to connect directly to a plug that powers IDE drives. So i installed my fan using the adapter to power it and ...
3
votes
3answers
1k views

Power Supply Not Working?

So I recently made some purchases for a new computer including: Motherboard: Gigabyte GA-EP45-UD3R CPU : Intel Core2Quad 2.66Ghz Power Supply: Antec Basiq 500w UPDATE: I got the Power Supply ...
22
votes
5answers
4k views

How to test a power supply?

My computer powered off the other day on its own, and now when I push the power button, nothing happens. My assumption would naturally be that the power supply is done (possibly well done) but is ...