PC freezes to random color

lauruns

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Nov 9, 2015
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So I've been having some weird problems lately. About two weeks ago my pc started to crash with colored squares all of the screen when I was playing Dragon Age: Inquisition. After researching the problem I reconnected the power connectors to my GPU and the problem was fixed. Now, two weeks later, a similar problem is starting to appear.

Every time I stared up my (modded) Skyrim, it freezes after about 3 minutes playing. It freezes to a random solid color (pink and grey mostly) and the sound cuts out, continues or gets stuck. Sometimes the screen temporarily cuts to black for a few seconds and then returns to normal (but it still freezes to a random color later).

I also tested a few other games: Assassin's Creed Unity crashed immediately (almost always to light grey) and both Minecraft and Lego Harry Potter could run for hours without problems.

I also one time received a message that the GPU had stopped working and had recovered.

I tested my memory, windows files and used my virus scanner to scan for a virus. No problems were found.

I guessing it's either a PSU problem (Corsair CX 600, about 2 years old) or a GPU problem (GTX 770, about 8 months old), but I'm not sure.

Would appreciate any help you could offer.

PS: I followed Vic 40's advise (even though I had already tried DDU without success). I used DDU to remove the driver and rolled back to an older driver that came on a DVD with the GPU (I think its the nVidia driver version 320.08). I didn't have any trouble for a few days and thought that it might have been a problem with the latest driver. Yesterday, the freezing came back however and it has been happening everything I play Skyrim since.

I also tried removing my GTX 770 and replacing it with my old GTX 570. I shortly tested it and it seemed to work fine. The GTX 570 does require a less powerful PSU, so it could still be the PSU. I don't really know how to find out of sure however.
 
Asks for testing,first opinion is the gpu,but could be the not great psu as well.
Can you test the gpu in another pc? Or the psu ...

Try to get rid of the current drivers for the gpu,use DDU and install the latest WHQL drivers.Maybe even try older ones.