Should i be worried? I got a lot of lag and fan was at 56% for most of it and shot up to 95/100 a few times for a second or two. I got artifacts but was too slow to get a print screen. This was DX10 with settings on medium. Also, I have noticed a couple of artifacts in few games but they are for a second or two. Is this definitely the start of a heat problem. I have stopped using the card incase. The average FPS was around 15-23
EDIT: I have just heard a high pitched hum/buzz and it changes pitch as my computer is under stress. I think it is either gfx card or PSU. Possibly a cathode?
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