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Need help diagnosing a freezing problem

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Last response: in Systems
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November 11, 2013 12:08:12 AM

About a week ago, my PC started freezing randomly. It might go 12 hours without a freeze, or it might go 5 minutes, but when it does, it does so completely and leaves me no recourse other than a hard reset (and occasionally, it will even freeze mid-boot). I've not installed any new software lately, nor any new hardware.

It never does so on safe mode (with networking), though, only when I've done a normal boot. This led me to believe I had a software problem. I spent a couple of days looking for malware or corrupt system files or bad drivers before giving up and formatting the drive, reinstalling Windows from scratch.

And the problem continued. Which, honestly, has me stumped. I've done a couple of basic tests (Prime95, Memtest86+) and found nothing, but really, I have no idea what kind of hardware problem would not show up in safe mode as well (I did re-install my BIOS, for what it's worth, so that isn't it either. And the chipset drivers along with the rest after the re-install, of course). As near as I can tell, the power supply is doing fine, though I'd welcome advice on what I could be missing there, as well. And nothing is overheating, staying in the high 30s-low 40s C.

I'm not posting system specs at the moment, as I've no idea which could be pertinent. It seems to me that what I'm looking for is more of a general fault of which I've not before heard. But if I'm wrong on that count, please tell me, and I'll share the necessary info.
November 11, 2013 12:13:32 AM

Try repairing Windows with the OS disc. Simple fix attempt and sometimes works.
November 11, 2013 12:17:38 AM

TripleBullet said:
Try repairing Windows with the OS disc. Simple fix attempt and sometimes works.


Even after the drive was completely formatted and Windows was reinstalled from the disc? No software problem should have been able to survive that, should it?

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November 11, 2013 12:19:38 AM

Sn0wman said:
TripleBullet said:
Try repairing Windows with the OS disc. Simple fix attempt and sometimes works.


Even after the drive was completely formatted and Windows was reinstalled from the disc? No software problem should have been able to survive that, should it?



No, that would of fixed it had that been the issue. I would try another PSU and see if it gets anymore stable. Kind of hard to spot a bad PSU.
November 12, 2013 10:07:41 AM

In one of those 10% inspiration, 90% desperation moves, I realized that there is no sound while in safe mode, and thus the sound card is not likely engaged. I disabled it in Device Manager, and boom, everything runs perfectly. Now how on earth can a soundcard go out in some way that would cause an entire PC to completely lock up?

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November 12, 2013 11:50:04 AM
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Sn0wman said:
In one of those 10% inspiration, 90% desperation moves, I realized that there is no sound while in safe mode, and thus the sound card is not likely engaged. I disabled it in Device Manager, and boom, everything runs perfectly. Now how on earth can a soundcard go out in some way that would cause an entire PC to completely lock up?


Theres really no way to tell. Computers are complex machines and one little thing can mess with the whole system. Luckily in your case it was just a sound card. Very odd though. Although sound drivers do usually conflict with programs so im actually not to surprised.
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