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re: My son bought a new graphics card for his alienware..now his computer won't boot

Posted on 12/13/15 at 10:18 am to
Posted by seawolf06
NH
Member since Oct 2007
8159 posts
Posted on 12/13/15 at 10:18 am to
Have you verified the PSU can support it?
Posted by ILikeLSUToo
Central, LA
Member since Jan 2008
18018 posts
Posted on 12/13/15 at 1:22 pm to
Well he did say it was an 875W PSU. It probably isn't very good quality, but it does supply 825w on 12v. And the new card probably consumes the same amount of power as the old one, if not less. Total system power consumption likely doesn't exceed 350-ish watts anyway.

CAD, another thought I had when googling info about the power supply: It appears to be one of those wacky multi-rail PSUs with like five 12v rails, 18 amps each. If there are additional PCIe power cables in the machine, I'd try those (and various combinations), to confirm it's not a simple case of overloading a rail.
This post was edited on 12/13/15 at 1:25 pm
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