New i7 seven build restart with 3d

So this week i built myself a new computer, everything is brand new

OS --> Windows 7 64 bits
Mobo --> gigabyte x58a-ud3r
CPU --> intel i7 950
GPU --> gigabyte nvidia geforce gtx 460
PSU --> OCZ gamexstream 850 w
RAM --> kingston 3 x 2gb 1066 mhz
HD --> western digital caviar blue wd 10 eals

So i installed windows 7 OS, followed by Mobo drivers and finally nvidia latest drivers.
Every components are stock right now.

I install and try stalker SOT, pre rendered video like nvidia logo and such load and 2 sec after the game menu opens computer restarts, just like if i had pressed the reset button. Win event viewer shows kernel
41 error which means windows didnt shut down properly and all values are 0 so i cannot know where the error comes from. Restarting the game over and over does the same error.

Testing part
3d mark 06 --> computer resets after 15 sec of 3d videos
Sisoft sandra cpu test --> works like a charm as only 2d picture are showed (CPU temp 42 C idle --> 68 C strain)
Windows memtest --> no problem detected
MSI Kumbuster stability test --> only 3d picture that can be desplayed for hours (GPU temp 30 C --> 68 C)
Passmark performance test --> the second a 3d rendering appears computer resets
Memtest86 --> not done yet

Note : when computer is under strain PSU makes a low electrical noise

Heating doesnt seem the be the issue because if i power up the computer and instantly open stalker or any test, reset happens. Temps are normal (even though its not 100% reliable)
Could it be a driver issue?
Since its 3d, GPU problem?
Should i play in the mobo setting with ram and such?
Actually any part could be defective as far as i know.¸
Ill also try reformat and reinstall windows this week just in case it would work.

So any other tests i should try?
All opinions are welcome. thx
4 answers Last reply Best Answer
More about build restart
  1. Best answer
    You can play with ram settings in bios but it really sounds like GPU or PSU issue. Can you test your GPU in another computer?
  2. I might be able to do some testing with a friends computer this week-end, by switching GPU and PSU. If everything works fine by my end and he bug, then i might have found the culprit.

    Ill give news as soon as testing is done.
  3. Tested on my friends PSU everything works fine, so PSU was the culprit thx
  4. Best answer selected by alexlar.
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