Hiya.
So, I've been having issues with my pc for the last two or three days. Sometimes, the images and sound on the screen stop for a couple of seconds and the pc is unresponsive (sorry about the shitty explanation, here's a video with the issue: https://youtu.be/F-pPRr2vPQU).
This happens usually while playing TF2 but it can also happen randomly while using the computer normally (although much less frequently). Also, after the problem happens the computer starts to work extremely slow and I usually have to do a hard reset. It is worth mentioning that in the event viewer theres a shitload of nvlddmkm errors at the same time.
All the drivers are up to date, and rolling them back to the last ones solved nothing. Also I run antivirus every week. No heat problems either, every component works fine AFAIK.
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some specs (non OC):
win 7
i7 3770 3.4 GHz
GTX 660
8 GB RAM
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Help pls :/