Not sure if this is the right section to post this, but oh well. I've been playing planetside 2 beta recently, and every so often my game freezes and the speakers emit a high pitch buzzing sound. I have to restart my computer to stop it. I've done alot of research and the only answers i can find are PSU is dying/faulty, or memory is going bad. I just ran a full memtest on all my ram and I came back with 0 errors, and I literally have a brand new PSU I put in after this happened to test it and it happened. I had my CPU and GPU overclocked, and first I thought it was a bad GPU clock, but I'm getting it at stock settings for CPU and GPU also. I'm lost here. Any input would be helpful.
i7 930 @ 2.8ghz 875W PSU 12 Gigs of DDR3 1333 Radeon 7950 3GB 800/1200 Windows 7 Home Premium 64-bit
blah blah. (If you need more let me know)
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Also forgot to add my temperatures are not out of the norm. All stable/safe.