Motherboard eating video cards?

Evan Freymiller

Reputable
Feb 22, 2014
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I recently started having major problems with my aging computer. I went to reinstall Windows 8.1, and could not get it to boot to a CD at all. After many tries, I finally got it to install. Soon after that it would freeze and restart. Thinking it was the GTX 470 failing, I RMAed it to EVGA.

They sent me a GTX 660 Super Clocked, but once I started playing a game, I noticed pink squares appear on the screen. I ran EVGA's stress test OC Scanner, and it would crash about two minutes in.

I checked temps, and everything was running at around 50-60 C when it would crash. So it was not over heating. At this point I thought it might be a bad power supply. Picked up a new power supply and it did the same thing, pink squares, then reboot. I tried a different video card, GT610 from my HTPC, which worked fine, ran the stress test OC Scanner from EVGA, for 15 minutes no problems.

I then tested the GTX660 in my friend's computer, which had the same problem, pink squares on the screen in Windows for him. So clearly the video card was bad.

I have since RMAed the GTX660 for a new GTX660 from EVGA, but I'm scared to put it in my PC if its going to break again. Are motherboards capable of breaking a video card? I never overclocked the video card or cpu. Is it possible the motherboard is providing too much power somehow?

My computer is quite old these days, but it has a GA-M59SLI-S5 motherboard, Athlon FX-62 processor, 6 GBs of DDR2800 RAM, 650 Antec power supply, Corsair 120 GB SSD, and GTX660 (broken atm).