Computer Won't Turn On

May 15, 2010 at 14:11:57
Specs: Windows 7
Recently my computer has been working fine but out of the blue when trying to boot the power button had no response. The computer will not turn on. I tried some trouble shooting by trying a different outlet/power cord but there was still no response. I then tried to strip the computer down to try to boot up just the bare essentials (processor, ram, one hard drive, video card) but still that did not work. Lastly I stripped everything out of the case and I tried to see if there was any response from just touching a screw driver where the power switch connection would go on the motherboard, sure enough it started running for about 10 seconds before I decided to shut it off(all this while the components were out of the chassis). Next I began to slowly piece together my machine inside the chasis but once again there was no response from either the screw driver trick or the power button. What would you guys suggest?

Relevant Specs:

Processor: Q9550
Motherboard: Gigabyte EP45-UD3P
Power Supply: 750watt Silverstone

See More: Computer Wont Turn On

May 15, 2010 at 15:15:13
Did you try it with just the CPU in?
If you get power with all the devices disconnected, that does kinda indicate one of the disconnected devices has a problem.

(edit) If you get beeps with the CPU installed, those are because of the missing RAM and/or graphics card.

If it will not come up with anything connected, my suspicion is that the power supply is defective. Too weak to supply enough power?

The three most important things in computing:
1. Backups, 2. Backups and 3. Backups.

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