Pc boot up problem

Hello
I am installing windows 7 on a new computer, and have problems.
First on the install, the pc did a suddenly shutdown after the windows installation rebooted resulting in faulty windows witch told me to restart the computer every time i started it up.
When i finally managed to install the OS completely, i am now having these suddenly shutdowns when i start the computer, i am getting to the windows flag, sometimes i see the login screen for a half second before it shuts down.
I have managed to start the computer a few times, but on the next start up i have the same problem.
Starting up in safe mode works fine, and i have no problem there.
I have tried to re-install windows many times without luck of getting rid of the sudden shutdown.

Parts in my computer:

Mainboard: ASUS P9X79 Deluxe
CPU:           Intel Core-i7 3930k
RAM:          4x Crucial Ballistix Tactical 4GB 1600MHz
GPU:          ASUS GeForce GTX 680
HDD 1:       Intel SSD 510 250GB
HDD 2:       Seagate Barracuda 7200rpm 1TB
PSU:           Corsair AX 850
DVD:          Sony Optiarc AD 7200

Hoping that anybody can help me solving this.
OculatusAsked:
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OculatusConnect With a Mentor Author Commented:
It looks like the problem is gone now.
I Used Windows own memtest since i was able to access safe mode.
Then i ran CHKDSK in cmd.
And downloaded and ran Intel Processor Diagnostic Tool.
No problems where detected. Anyway, somewhere in one of these tests the problem seems to be fixed, i don't know what fixed it, but it seems to be gone now.
I have restarted the pc about ten times and no suddenly shutdown this time.

I know this may be difficuld to know, but does anyone know what fixed it or why?

And thank you all for the tips i got so fast.
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ThommyCommented:
Check this for help...
Windows 7 restart loop
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SvenIACommented:
You can disable Windows from restarting in case of an error during startup. You should be able to see an error message with an error code. Do you see a BSOD?

http://pcsupport.about.com/od/tipstricks/f/automatic-restart.htm
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helpfinderIT ConsultantCommented:
first of all I would test memory. download MemTest and make bootable CD/USB. Run the test to check for faulty memory module.
another component you can test is power supply unit, if you have some tester, or can temporarly use some spare just for testing purpose

also fact you reinstalled many times points you to HW problem rather that SW/OS.
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bright12Commented:
Agree with helpfinder. I think that you have a faulty memory module. I had a PC that was rebooting after 3 hours, using MemTest I was able to detect that 1 memory module was faulty and causes this problem.
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helpfinderIT ConsultantCommented:
if there would be just original OS installation I woould say chkdsk could help, but if you reinstalled many times and checkdisk does not repair HDD I am a little bit skeptic about this.

Also if you did not change any HW part (component) and your problems are gone it´s strange because then it seems some repair tool you have ran did the trick (but I do not thing any of them have that power to heal HW :)).
You can check if you can see in the BIOS or in win so many GB of RAM as you have physically installed (if just memory slot with bad RAM module was not disabled - but honestly I never saw anything like this)

Finally, you will see if PC is now stable without any reboots - if so, then you are lucky, if not, then chceck your memory modules with MemTest first

Good Luck
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nobusCommented:
look in event viewer, there may be events listed
or look for minidumps in windows\minidumps
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OculatusAuthor Commented:
The computer suddenly began to work, i'm unshure what caused it to work properly, but i did the things listed in my comment.
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