Random restart or bsod

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WindyRain0212

WindyRain0212

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Sep 13, 2014
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First of all: I am new here and excuse me if this is in the wrong category.
Now to the problem

Yesterday, I DLed Prime95, trying to see how well my cpu performs, I am not new to the program, but used it last time on an Athlon pc, anyways: After I started it up, I clicked on the second test (Large FFT i believe) and my whole system just shut down instantly. Shortly afterwards it booted up but stuck in a blackscreen with Errorcode 9C (Initializing USB devices), after two times I unplugged a 8GB USB stick that stayed with electricity after the shutdown and then it booted up without any errors.
Now it still randomly shuts down, like when I try to play a flash game (.swf files) but funnily not on gaming..
So I thought then it might be is something with my CPU clock being wrong. Checked EasyTune and after i pressed apply my system BSOD-ed with the following error:

SYSTEM_SERVICE_EXCEPTION caused by driver "win32k.sys"
files related to it: ntoskrnl.exe and the win32k.sys.

I read another topic on this forum about it that said it could've been fixed with the cmd with command "sfc.exe /SCANNOW"
Tells me there are corrupted files but it can't fix them..

My system:
Intel Core i7 4790K @stock 4.0 / 4.4 GHz + Corsair H100i Watercooler
16GB Corsair Vengeance Pro Series DDR3 @ 2400 MHz (2 sticks)
Mainboard: Gigabyte Z97X-UD5H-BK
OS and some programs running on Corsair Force LX 256 GB SSD
PSU: Corsair AX760i
OS: Microsoft Windows 8.1 Pro

here are the CBS.log from the sfc.exe scan and the minidump of the BSOD:
BSOD: http://1drv.ms/1xY9hw5
CBS: http://1drv.ms/1xY9r6x

If more informations are needed, I gladly try to add them. ^^
 
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johnbl

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Nov 4, 2012
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error log indicated window media player .dll wmploc.DLL was corrupted
it should not cause a bugcheck unless it has been replaced by malware and the malware attempted to modify protected windows data structures and caused the bugcheck.

You might remove windows media player and see if you still get problems.

also easy tune is overclocking software, very easy to make bad settings that will cause bugchecks. Make sure you get your version from a good source. (your motherboard vendor)

other than that I would have to have access to the acutal memory .dmp file to look at


 
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WindyRain0212

WindyRain0212

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Sep 13, 2014
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4,510


Uuh. I replaced the wmploc.DLL with a custom one to replace the actual WMP skin to a more modern one..
But how does the wmploc.DLL has something to do with the BSOD or the crashes, I mean it worked for near a month without problems..
 
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johnbl

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Nov 4, 2012
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I don't think it would unless there was malware or it was hooking some windows functions that windows now checks because of all the malware. Older programs tended to do this bug will bugcheck the system on newer versions of windows.



 
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WindyRain0212

WindyRain0212

Reputable
Sep 13, 2014
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4,510
I found something very different out.
My RAM is clocked at 1333 Mhz with 9-9-9-13 @ 1.5 V
Buuut, the box says it should be at 2400 Mhz with 11-13-13-31 @ 1.65 V
Now I went through some of the threads here and many says setting it to 1.65 V could fry the memory controller.
Could someone help me with that out, since I don't know how I can get the information for that :/

My motherboard again: Gigabyte Z97X-UD5H-BK (LGA 1150)
and CPU: Intel Core i7 - 4790K @ 4.0 / 4.4 GHz
 
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johnbl

Polypheme
Nov 4, 2012
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I think the newer intel spec for the newer updated CPU indicate a max voltage of 1.5 volts + fluctuation of 5%
= max 1.5v +.05*1.5v = 1.575 volts max with out damage to the CPU.

So I would reduce the timing/clock on the memory to a setting of 1.5 volts and what ever the fastest speed for that voltage is. Or replace the RAM with some of the newer lower voltage RAM.
(I am running my RAM at reduced speed now because I did not want to get new RAM when I built my new system)
 
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WindyRain0212

WindyRain0212

Reputable
Sep 13, 2014
4
0
4,510
Fixed it, the issue was the motherboard's BIOS being an outdated version that left the CPU crashing in turbo-mode, also I can run the RAM at its normal specs (the 2400 MHz) without problems =)
 
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