New PC build randomly freezing

Joe Coste

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Jan 18, 2014
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10,530
Here is my build: http://pcpartpicker.com/p/YGTJ6h

I have tried both Windows 10 and Windows 7. It doesn't matter. It will randomly freeze whether I'm playing a game, watching a video on youtube, or just sitting at the desktop. It's very random and I could be playing a game fine for 3 hours and then it will freeze. Or I could be just looking at a website or a video or anything.

Here's what I've done so far:

Updated ASRock BIOS to the latest version: 3.0
Updated all the drivers from the motherboard website
Updated latest graphics driver from Nvidia.
Monitored heat with CPU HW Monitor and the CPU and the system are pretty cool. 30deg celsius at idle, and 54-60deg celsius at 100% load.
Ran Memtest86 for 7 hours straight with no errors. It completed 6 passes, no errors.
Ran SSD health diagnostic on both my Samsung SSD drives and they both checked out 100% healthy.
Ran sfc /scannow and found no issues.
Ran prime95 for 8 hours with no issues. Temps never got above 60deg celsius.
Like I don't know what else to do. I mean I guess it could be a bad PSU or the motherboard maybe? Could the RAM still be bad after testing it with memtest86 for hours?

Anyone have any ideas? It's very frustrating.
 

Barty1884

Retired Moderator
Considering it's happening on W7 or W10 - are these clean installs? Or is it W7 "upgraded" to W10? There could be conflicts there, an a clean install would likely be the best option.

Are you using an old SSD that the OS was installed for another system previously? Or is there an OS on both SSDs? That could well cause it too. Again, clean install should fix.

Have you taken a look at task manager and monitored your CPU usage? If you have a "rouge" application, it may be hogging you CPU resources & it's throttling at 100% use. Again, clean install should fix that too.

If a clean install & full driver update with the latest (non-BETA) drivers don't fix it, you can then start looking at individual components.
 

Joe Coste

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Jan 18, 2014
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Very interesting. I have a clean install of Windows 7 and used the upgrade option to Windows 10 but I formatted and did a clean install of Windows 7 again but freezes still happen.

I am using a 128GB SSD drive from another machine that I had and installed Windows on that and have my new SSD 250gb drive as a secondary drive

Do you think that me using a SSD from a different machine would cause completely random freezesblike that?
 

onejeremias

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Dec 16, 2015
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Take a look here guys, many others having this problem, and the following thread is quite long and detailed. Short story: try disabling C-states in your BIOS to see if freezes go away or get much better. If so, you've got the same problem as us:

www.tomshardware.com/forum/id-2830772/skylake-build-randomly-freezing-crashing/page-8.html
 

pegnose

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Jan 16, 2016
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I have practically the same memory as you and a lot of problems on my ASUS M. Hero VIII. I strongly suggest getting different Ram - ideally from the memory compat. list of your mobo manual, and from a different brand.