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Windows 7: PC randomly freezes without BSOD

28 Jan 2012   #1
Alhazred

Windows 7 Ultimate x64
 
 
PC randomly freezes without BSOD

Hello again, few weeks ago I plagued the forums with my BSOD problems and it seems I have some kind of black mark upon me, as I have encountered a new problem.

I assembled a new computer a week ago, installed the OS normally and got all the necessary drivers and chipset-thingies. Everything goes fine, but sometimes the computer just freezes: nothing moves on the screen, mouse and keyboard stop working and if there is something coming from the speakers it becomes a loud buzzing sound. No bsod will come on, computer only recovers when I restart from the power button.

At startup it only announces that the computer didn't shut down normally, otherwise it doesn't acknowledge the freeze. As there is no error code I don't have any dump files to add to this post.

I read something about this being a possible "memory timing issue" or something like that, don't really understand what that means. I checked the qualified vendor list of my mobo (I'll put my specs at the end of my post) and I noticed that the DDR-sticks my computer is currently running aren't included in the list. There is only a lower-frequency (1033) and smaller memory (2gb) version there.

I hope this info can give some insight about my problem.

Specs:
Mobo: MSI Z68A-G43
Processor: Intel i5 2500k
Memory: Corsair XMS3 8gb (2x4gb)
GFX: Nvidia GTX 260
PSU: OCZ Stealth X-Stream 600W

Thank you in advance!

EDIT1: I also want to stress that the freezes seem to be very, very random, usually when I'm idling and listening to music and just surfing.


My System SpecsSystem Spec
.
28 Jan 2012   #2
Azo

Windows 7 Home Premium 64Bit
 
 

I think you check if the RAM is working correctly or not. That may be a problem causer. Also just to be sure are both the RAM sticks are of same frequency?
My System SpecsSystem Spec
28 Jan 2012   #3
Alhazred

Windows 7 Ultimate x64
 
 

I don't know very much about fiddling with RAM settings. They should be the same, at least I've checked some values and they are same for the both sticks.

Here are some snips concerning memory (from CPU-Z).
My System SpecsSystem Spec
.

28 Jan 2012   #4
scrooge

win 7 ( 64 bit)
 
 

what voltage are you using on the ram?

scrooge
My System SpecsSystem Spec
28 Jan 2012   #5
Azo

Windows 7 Home Premium 64Bit
 
 

Ram frequency seems OK. Please do this, Open Command prompt and type sfc /scannow. Let me know what happens. Are you sure it's not a malware problem? Because that might also be an issue.
My System SpecsSystem Spec
28 Jan 2012   #6
Alhazred

Windows 7 Ultimate x64
 
 

I ran the scan and it said some file was corrupted and it was repaired. I was a fool enough not to write the message down, but it gave me some file, I'll add it to this post.

I'm running a malware-scan right now.

EDIT1: @ Scrooge, the sticks should be at default, so I'm guessing 1,5V.
My System SpecsSystem Spec
28 Jan 2012   #7
scrooge

win 7 ( 64 bit)
 
 

try bumping your voltage up to 1.55 and see if that don't fix it for you.

scrooge
My System SpecsSystem Spec
28 Jan 2012   #8
Alhazred

Windows 7 Ultimate x64
 
 

My mobo has some fancy BIOS-interface, so I'm not sure if people are familiar with its options. How can I alter the voltage? If I'm choosing the correct place in the settings it seems I can choose only 1,35, automatic, 1,65 and 1,8.
My System SpecsSystem Spec
28 Jan 2012   #9
Azo

Windows 7 Home Premium 64Bit
 
 

Quote   Quote: Originally Posted by Alhazred View Post
My mobo has some fancy BIOS-interface, so I'm not sure if people are familiar with its options. How can I alter the voltage? If I'm choosing the correct place in the settings it seems I can choose only 1,35, automatic, 1,65 and 1,8.
Be very careful on what you are doing !
My System SpecsSystem Spec
28 Jan 2012   #10
scrooge

win 7 ( 64 bit)
 
 

i never used msi boards and not sure of the bios so maybe wait tell someone with more info can help you with that.
sorry

scrooge
My System SpecsSystem Spec
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 PC randomly freezes without BSOD




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