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My brand New PC reboots while playing games like Battlefield 3 or DOTA 2

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March 21, 2013 11:01:42 AM

Good afternoon! My brand new PC (it is 2 weeks) keeps rebooting while I play games. There are no lags or something like this. It just reboots and after 10 sec. I can use it again.
I can't understand what causes it.
Here are my specs:

Core i5 3570K (3.40GHz)
ASRock P67 Extreme 4
240GB SSD + 2000GB HDD
DVD-ROM
16GB DDR3-1600
Coolermaster 690 II Advanced Midi Tower
750W PSU
2GB GeForce GTX 660

Problem is definately not cooling - I played it with SppedFAn and everything stays at 30°.
Please, I really need help!

More about : brand reboots playing games battlefield dota

March 21, 2013 11:13:30 AM

What I should add is that I can play games like Binding Of Isaac or Bastion without problems. But 3d games don't run for some reason.
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March 21, 2013 11:14:05 AM

What brand PWU do you have? Brand GPU?
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March 21, 2013 11:15:12 AM

use hwmonitor and speed fan together. you can never be absolutely sure speedfan is correct. i found this out when i overclocked my 920. suddenly it was 10'c cooler even though it was running 1ghz faster than stock. i load up hwmonitor and see my temps were 10'c higher than in speed fan.
so i recommend you use something else. hw monitor/ real temp/core temp are 3 good 1s.
use gpu-z to monitor your gpu temps and vddc(vrm/voltage regulator modules) voltages/temps.

also go into bios and load optimized defaults. disable any auto overclocking software you may be running.
after which you should run prime 95 blend test for 6-8 iterations. if it doesnt conk out with that stress test you can assume your pc is somewhere near stable...
lastly check the ctrl pannel/admin tools/events/ events viewer application/system for red X or yellow triangles... especially check for critical errors which should show in the first tab you open when you select the event viewer.
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March 21, 2013 11:22:01 AM

Where can I find information about my PSU?
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March 21, 2013 11:25:41 AM

Hm, these are only things that are in protocol:
Kernel Power. One time per day. What is it and how should I deal with it?
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March 21, 2013 11:31:25 AM

GetOverHere said:
Where can I find information about my PSU?


Open your computer and read the side of the PSU. Turn off computer first.
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March 21, 2013 11:33:05 AM

Well, in protocol there is Kernel Power 41 everywhere. How can I fix this problem?
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!