Question Two graphics cards fail at once. Cause?

Wormman12

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Jul 5, 2015
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So after a long and arduous process, I have found out the reason my computer broke was because of the Motherboard and my two sapphire nitro R9 390X gpu s broke. My friend and I understand the Motherboard,but we can figure out how two cards (was using and crossfire) burn out at the same time,or how they are burned out. The core issue is that neither one is getting power to them even though the psu ran another gpu when plugged in. For closure sake, anyone who knows would be greatful. Already ordered a replacement, so short of taking them apart to tinker, we're just curious at this point
 
What Power Supply unit are you using ? If your Motherboard has onboard graphics, then try booting the system with it. Doing this will rule out a mobo issue.

The GPU broke in what sense, burnt ? Sounds like a power failure issue to me.
 

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