iPC Lost Video card 2 then crashes

I have another customer who owns an iPC and this issue has happened twice. You turn on the console, when it comes to the show menu your external monitor and left monitor, which are plugged into Video card 2 have noise and interference like crazy. Opened the console inspected the card looks good pulled it out reseated it turned the console back on still nothing. In a matter of time with this noise on the monitors the console will just die. You try to turn it on and the red LEDs on the back shows power, but no activity on the hard drive or nothing, the cdrom doesn't even try to read. So at the moment they have a dead console. HAS ANYONE ELSE HAD THIS ISSUE?
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