Computer Tech Issue - Geek Help Needed

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1

Ok so I have two computer’s. In computer A my video card works fine, in computer B it does not.

  1. I’ve tried more than one video card, same result.
  2. I’ve bought a new power supply for Computer B, same result.
  3. Reformatted, reinstalled Windows XP, same result.
  4. Reinstalled drivers, same result.

Computer A is a custom build, Computer B is an eMachine. The Video card is an ATI Radeon 1650pro. The card used to work in the eMachine just fine, then it started only working 50% of the time I booted up.

The ATI card’s fan still turns on when I start the eMachine.

Any ideas? Thanks!