PC freezes without error or BSOD

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xalyy

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Jul 22, 2014
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Hello!

I have newly built pc which is not even few weeks old and nowadays I started to get this problem, PC freezes randomly without any error message bsod or anything, just freezes and it gets unresponsive until I have to reboot it. Usually my PC running 24/7 and after a long time run it get freezed but today morning when I booted it up freshly it get freezed after a few secs getting in to the desktop. I checked temp. ran memtest ran prime95 small fft's for stabilty testing like 5 minutes but nothing.

Asus Maximus VII Hero
Intel Core i7 4790k 4.0ghz turbo enabled
Noctua NH-D15
16GB 1866mhz Kingston Hyperx Fury
Strix GTX 970
Boot drive: Samsung 850 Pro 120Gb
Second drive: Samsung P851 SSD 512GB
Corsair RM750

Thanks for the help everyone!
 
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xalyy

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Jul 22, 2014
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Okay I ran prime95 for like 10 minutes and the computer turned off then. Cpu temps were like 90-100, especially core 2 was the highest. Any suggestions? :(
 
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Grimwinder

Grimwinder

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Jul 2, 2014
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Assuming the CPU isn't faulty, which is possible, first thing make certain all of your fans are clean and running properly (case and coolers). You may need to reapply the thermal paste on the CPU/CPU cooler, if you google it you can find a ton of guides and videos showing you how, it's simple, just make sure you have thermal paste prior to starting (Arctic Silver is a good brand if you don't have some already).

Other things you can try, for troubleshooting purposes, if that doesn't help, first, try resetting your BIOS (refer to motherboard manual) in case some setting has gotten out of whack. Also, check the motherboard 's website and update your BIOS if needed. Then disable turbo mode and any power saving features on the CPU in the BIOS, if this helps you may have a undervoltage issue with your CPU and can start adjusting as needed.
 
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xalyy

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Jul 22, 2014
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All fans are clean since I said its a newly built pc.
It was reapplied twice, also Im not that dummy, sir please. :)
Bios was updated, default settings.
Changed the voltage atm to 1.2V, looks like it's now occuring less much but it still occurs...

Looking forward, thanks for the help.
 
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