to see if your PSU is capable of handling all the components listed (found this after searching Intel's website for PSU (minimum) requirements.
Also; check out this Blog (it relates back to when you had the same problem running Vista):
Also you might want to run this test to see if your memory might be at fault:http://www.memtest86.com/download.html
First my specs...it's a custom build, but here are the details:
MB - EVGA nForce 790i Ultra SLI Motherboard
Processor - Intel Core 2 Quad Q8200 Processor BX80580Q8200 - 2.33GHz, 4MB Cache, 1333MHz FSB
HDD's - Western Digital WD5001AALS Caviar Black Hard Drive
Power Supply - Apevia / Iceberg / 680-Watt / ATX / Dual 80mm Fan
Graphics - BFG BFGE96512GTOCE GeForce 9600 GT OC Video Card x2
CPU Cooling - ZEROtherm / Butterfly BTF90 / Socket 775
Memory - OCZ Intel Extreme Edition Dual Channel 4096MB PC12800 DDR3 1600MHz Memory (2 x 2048MB)
The system keeps locking up at seemingly random intervals. It has happened both with Vista 64-bit, and now with Windows 7 64-bit.
Originally I thought it was a problem with my graphics cards, so I had the company send me 2 new ones...this did not solve the problem. The reason I thought my cards were the problem, was because it was locking up more during games/video streaming. Now it seems to be random.
I am out of ideas as to what this could be...Possibly overheating? Possible power problem? Sometimes it doesnt lock for a few days, then some days it locks every few minutes. Have to reboot the PC everytime it happens.
Any ideas/info would be greatly appreciated.