Computer freezes after a minute or two

Lately my PC started to freeze; I could play a game for an hour or two without any problems, but whenever I've opened a browser, or played a video or audio files, computer froze after a minute or two. So I reinstalled Win10 and as soon as it was installed, I got a blue screen error (CLOCK_WATCHDOG_TIMEOUT); sometimes it freezes without a blue screen. In the task manager I've noticed that only 3 of 4 sticks of RAM are recognized, so I've tested & re-seated them all and at some point they're shown correctly; I've even re-applied thermal paste on the CPU, but still the same errors. Is there any solution to find out what is causing this? 'Cause I don't want to buy a new MB or CPU if I'm not 100% sure. I've used memtest86 to test RAM, completes all 4 passes without errors (as provided in the attach pictures). Is there any proper way to test CPU & MB to find out which one is faulty, just to be sure?
 

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Kshipper

Posts: 236   +36
TechSpot Elite
I have had this where the GSkill Trident Z Neo 32GB RAM kit I was using would test 100% OK with Memtest but when Windows came up. I would only see half the memory. Before I could fix anything I just decided I am going to buy a memory kit that is on the QVL so I got GSkill 32GB Aegis memory and worked out of the box, no issues. Maybe that's what is going on with yours?
 
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Well, funny thing happened...I reinstalled Windows again, but this time I used a mediacreationtool (probably with the latest version) unlike previous few attempts when I used the original Windows installation USB. And I've been installing drivers & software for the last 45 minutes and without any bluescreen errors or whatsoever. Don't even have a clue how it's working at the moment; could it be that it was the Windows installation USB incompatibility causing those errors while using the latest bios? Other than that I don't have a slightest idea :/
 

cliffordcooley

Posts: 12,494   +5,868
Bad memory modules caused my misfortune of freezes. Never had a freeze where it wasn't caused by hardware issues.

A lot of times just re-seating your hardware corrects these issues. But that is usually with older systems. New systems don't have tarnished connectors and therefor less likely to have bad connections.
 

Kshipper

Posts: 236   +36
TechSpot Elite
Well, funny thing happened...I reinstalled Windows again, but this time I used a mediacreationtool (probably with the latest version) unlike previous few attempts when I used the original Windows installation USB. And I've been installing drivers & software for the last 45 minutes and without any bluescreen errors or whatsoever. Don't even have a clue how it's working at the moment; could it be that it was the Windows installation USB incompatibility causing those errors while using the latest bios? Other than that I don't have a slightest idea :/
Anything is possible in computer land Jay Jay =)