PC freeze after minutes of gaming (black screen, requires hard reset)
After installing GPU (GTX 680) on motherboard, I started experiencing PC freezes when gaming, usually when I die and a level or a game restarts. It also once happened when I exited a game and started browsing the internet.
Memtest OK, GPU is brand new and not faulty (checked with another PC), tried: reinstalling Windows, installing newest GPU driver, installing old and stable one, updating BIOS, lowering GPU core and mem clock by 200MHz. max. temps: CPU 62c, GPU 68C.
motherboard: asus 85bm-g 16GB ram I5 4440 PSU: OCZ600SXS2
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More aboutfreeze minutes gaming black screen requires hard reset
Is system OK on your old video card? What you tested should have narrowed down the issue to video card or not, looks like it's not. I would try one RAM stick at a time even though memtest passed.