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Bad power supply?

dullard

dullard

Elite Member
I was just asked about a computer that had been described as "evil". Things just weren't working very well. It would have random, unpredictable lockups. It would lock up with video applications - so the video card was replaced and nothing helped. Later it started locking up anytime a program was loaded, eventually the HD boot sector was corrupted, so the HD was replaced - didn't help anything. Now it has occasional trouble booting up - locking when it hits the video card bios part. The motherboard/memory/CPU were replaced all at once and nothing helped. Then they came to me. My first thought was the power supply. I've never had a bad powersupply (well I had one PS fan go bad, but that is a different story). Could it cause all these problems? Or are there multiple things going wrong?
 
Yes, I would say that if they replaced all of the major components, that the problem could be psu related. I had a bad psu and it subsequently killed a floppy and gave erratic behavior from my optical as well as hard drives. I had problems booting up, getting errors in video, as well as gpf's. It eventually died and then I found out that most problems were solved by replacing the psu only. It seems now that a good psu is more important than it was when I had my older machines.
 
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