Computer shuts off when being booted

May 10, 2009 at 21:06:22
Specs: Windows XP Pro
Hey Guys,

Let me start off by saying that I have had my comptuer for about 4 years and built it myself as a graduation present.

I have a Geforce 7900gt 128mb video card that is slowly but surely dieing and creating wierd spots and all types of colors/wrong letters on boot up.

I'm not 100% sure if the problem is the video card exactly, but when the conmputer is booting up it randomly shuts down -- mainly right when i press enter to boot from a CD/DVD. The computer is currently an empty freshly reformatted hard drive (i somehow got it to go that far without turning off) so it doesn't even make it to a windows screen.

I know there are a number of possibilities to what could be going wrong but I seem to think that it has to be either the video card over heating or the PSU going bad.

Any input/advice would be greatly appreciated!

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May 11, 2009 at 12:50:27
Sound's like you have started to diag it.

List all symptoms and then formulate what might cause is good.

Could use voltmeter to see power supply voltages. Could start and go to bios. Sometimes they offer various diag tools like temp and voltages.

Look for fans running too. Look for heavy dust and debris.

Might try a linux live cd to see if it fails also. A barts with correct video drivers would be better to decide software from hardware.

"Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10

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