im posting here because ive heard you guys are the best so here goes, just built a new pc gigabyte motherboard p45 intel core 2 duo 3.0 radeon 4870 512mb video 500watt psu and running vista 64 bit OS and 8gig kinston hyperx ram , i know its the video card because ive takin it out and put it in another pc and the problem went to that pc, the new pc worked fine for several days, then upon startup the pc turns on then powers down and trys to boot again in a continual loop had to turn off psu release the charge by hitting power button a few time then it turn right on and no problems im at a loss if anyone has any information it would be greatly appreciated, thank you in advance for your help.
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