will bad video card prevent powering on?

February 3, 2011 at 09:09:05
Specs: Windows XP
Will a bad video card prevent a computer from turning on at all?

I have a box stock HP desktop, my son was palying a game on it when it froze up. He turned it off, then when he tried turning it back on he got nothing. He didn't report any burning smells, etc., but 10 year olds miss things...

The green light by the plug is on when plugged in, but absolutley nothing else happens.

I took it in to a repair shop, figuring it was a power supply, as based on these forums, they seem to be a common problem with matching symptoms. The other likely problem out of these forums sounds like the mother board (right?)

The guy at the shop called me and said he needed to replace the Video card. I freely admit that I know Jack about how a system works, but that doesn't make logical sense to me. Searching this forum, I can't find a single reference to a failed video card causing a complete and total failure. Shouldn't fans and drives, etc. at least power on, even without a video card?

this feels a lot like I am getting my pants pulled down by the guy at the shop. Does that diagnosis make any sense?

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February 3, 2011 at 09:18:19
At least he could kiss you first. A bad video card wouldn't prevent it from booting up. You would at least hear it beep when it posts and you could hear the fans spin. You just wouldn't see any display. If it did absolutely nothing, it was most likely the power supply. It could also be the mobo, but without seeing it, it's hard to tell. If it was the video, you should have gotten a series of beeps indicating a problem with the video and the monitor would say no display.

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February 3, 2011 at 13:10:05
If the video card is at fault one could remove it and see if the normal sequence of power on lights appear. It may be that you had networking and sharing and could then determine if it is powering up.

A shop would easily have a spare video card to swap. That would be the normal test.

But, yes. Any part could cause what seems to be a total failure.

"The era of big government is over," said Clinton 1996

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