My Rig Coolermaster - GX 750- Watt Gamer Power supply Gigabyte 990FXA-UD3 MOTHER BOARD Rev 4 Radeon R5 Gamer Ram 2400 Set to 1866 AMD 9590 CPU GTX-680 Asus Dual Sli Video Card Noctua D-15 Fan Gskill 128gb SSD Sata II WD 1 TB Drive Sata II Sound Blaster Fatality Just upgraded the Ram and CPU and FAN Problems 1. When I boot the computer it turns on for a second or two then resets and boots a second time. The second time everything goes smoothly. It doesn't seem to be getting past the Bios so I don't believe it's a Win 7 problem. Interestingly enough if I put the computer to sleep from Windows it doesn't have a problem waking up. 2. Not overclocked. Just running factory settings/ When I'm not doing hardly anything. Just browsing the internet. The computer freezes. No BSOD or Black screen. Just a freeze with the monitor on 3. When I stress test using Prime. If I run more then 4 Threads of prime, the CPU throttles itself in half and shows 2,250MHZ, Using 5 Cores it's borderline switching back and forth. Then 6-8 Threads of prime immediate throttle. For the moment I've turned the clock down and am running at 4.4ghz. Don't know yet whether this temporarily solves the Freezing Problem. The Gigabyte MB utility shows my temps at 51'C but I know that doesn't mean anything. The forums are saying that the MB's and AMD 9500 series don't play well in terms of heat reporting.. I ran memtest on the memory at standard of 1866, not the 2166 that XMP Profile Gave me. Ram is rated for 2400 GHZ. 5 hours of Memtest and no problem. I turned off Turbo mode at the 4.7 and that didn't help problem. So what do you all think. I should do now.? I suspect I may have a Power Supply or Heat Issue.