Faulty vga card or psu too weak?

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eccwoes

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Joined
Oct 2, 2007
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Hi I was wondering if anybody has any ideas on this - I bought a second hand ati radeon 9800 pro 128mb vga card. Various artifacts appear onscreen from the moment the system posts, which makes it pretty much unusable. ONE TIME I booted up and it was completely without problems with perfect display. My question is, could this problem be caused by an inadequate power supply - It's only 235watts, or have I definitely got a fried card (my old card sitll works fine). I have tried unplugging all drives except the hard drive to see if it reduced drain on the psu, but same problems sitll occur. The rest of my system is old and therefore I presumed wouldn't need too much power, so I thought the psu might be enough. if it is the card, is there anything that can be fiddled about with to repair graphics cards? thanks
 
Joined
Mar 8, 2004
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7,794
Your PS is under powered. That could be the problem. But since it did seem to work fine once make sure it is firmly seated in it's slot. Of course no way to know about second hand products. Was it definitely working before?
 

eccwoes

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Joined
Oct 2, 2007
Messages
68
yeah it was definitely firmly seated all times. It was sold as 'untested' and therefore no guarantee or return at auction but i took a chance and put a low bid which won. I wonder if 'untested' in this case meant tested and found to be faulty, or maybe I'm being too cynical. Guess I'll never know. Thanks for the advice, I'll try and find someone with a better psu I can try it with.
 
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