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New build, POST runs pc shuts down at windows 7 login or shortly after

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August 25, 2012 4:14:01 AM

I have built a new computer with the exception on my grpahics and and optical drive. The computer boots and makes it through POST. It then shuts down at the windows 7 login screen or with in a few minutes after logging in. It does not BOSD or come up with any error, just shuts down. It does not turn on and off over and over again like alot of problems Ive read about.

Specs
Processor: AMD FX 8150
CPU Fan: Stock
Mother board: Asus Sabertooth 990FX
SSD: Samsung 830 series (128G)
RAM: Corsair Vengeance 16G (1600 MHz, 1.5V, 9-9-9-24, 4 sticks)
PSU: Corsair GS 800 (800 Watt)
GPU: Sapphire Radeon HD 5770
CD/DVD: Just a stock optical drive from my HP that I replaced
Case: Corsair 600T special edition white
Op sys: Fresh install of windows 7

As far as trouble shooting I have completed 22 of the 23 steps in the very wonderful guide
http://www.tomshardware.com/forum/261145-31-perform-ste... . The only one I didn't complete was installing motherboard speaker to check beeps for errors. It was something I didn't think about ordering when I ordered my new set up. I've tried everything within my knowledge and skill level that I can think of and I am just lost at this point. If you need more specifics feel free to ask.
August 25, 2012 4:40:52 AM

Update your BIOS. Also, make sure the BIOS is in AHCI mode.
August 25, 2012 4:41:23 AM

*Make sure that your SSD is set to AHCI in the BIOS.
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August 25, 2012 4:53:45 AM

My SSD is set AHCI in the BIOS, and my version is 1102, which according to the asus website is sufficient to run my processor but its the next thing Ill try.
August 25, 2012 5:23:24 AM

BIOS firmware is updated to 1304, the problem persists.
August 25, 2012 11:51:00 PM

After everything it was my keyboard causing the problem. I couldn't believe it myself.
!