Computer freezing - won't respond - tried many things already

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mcomp72

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Nov 3, 2013
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I’m really struggling with a computer problem, and I’m hoping the fine folks who read this forum might be able to offer some help.

About a week ago, my computer started locking up on me at random times. It would just freeze – the cursor would no longer move, and the keyboard did nothing. The hard drive light did not blink at all once this happened, so the computer appeared to be totally frozen. I waited 10 minutes one time when this happened, but nothing.

Other times, it would freeze for about 5 seconds and then start working again. 75% of the time it would not start working again, but 25% it would after 5 seconds. Once or twice the screen went blank for a few seconds, and then it came back, saying there was an error with the video driver.

I have had this computer for 2 years, the entire time running Windows 7 Ultimate 64-bit, and it’s worked fine. I haven’t made a change to the hardware in about a year.

The only thing I did update recently was the nvidia video driver. Once the problems started happening, I rolled back to the previous driver I had been using, but that didn’t solve the problem.

I tried all kinds of things:
- can CCleaner to repair any potential registry issues
- ran various virus and spyware scanners, and the computer came up clean
- did a CLEAN install of the latest nvidia driver
- ran memtest for 8 hours, and it found no errors
- ran in Windows safe mode for a couple days, and there were no freeze ups
- installed Ubuntu on my machine, and ran that for a couple of days. Although it ran really slowly, there were no freeze ups.

No matter what I tried, the problem persisted, so I figured it was so kind of corruption in Windows somewhere, so I wiped the hard drive and did a fresh install of Windows.

As I was starting to reinstall my programs, the freeze happened again, and it stayed frozen. I waited a couple of minutes, but it did not come back. So, clearly a fresh install of Windows didn’t solve the problem. I have no idea what to do at this point. If anyone here has any ideas, I’m all ears.

Here are my specs:

OS: Windows 7 Ultimate 64-bit SP1
Motherboard: Gigabyte GA-870A-USB3
Processor: 3.2ghz AMD Phenom II X4 955
4 GB of RAM
Video card: nvidia Geforce GTX 550 Ti

If there is any other information I can provide, please let me know.

Thanks in advance for any help you can provide.
 

lid6j86

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Nov 4, 2013
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I'm having similar issues, with pretty different hardware. I'm running:

OS: Windows 8.1 64 bit
Motherboard: Asus Crosshair V Formula-Z
Processor: 4.7ghz AMD FX 9590
32 Gb Corsair RAM
Video Card: 2x R9 280x (not currently cross-fired)

It started when I changed my hardware from an FX 8150, Crosshair V mobo, and 2x Radeon HD9790 cards. my gfx cards crapped out so I got new ones with the updated board, but since I swapped out the computer randomly freezes.

I get no BSOD with the lockup,
I've tried memtest, no sign of issues.
I disabled crossfire because I thought it was that, still occurring.
I formatted and re-installed Windows 8.1, still happening.
I updated my BIOS to 1602 (most recent), still happening.
I swapped out my PSU (thought maybe voltage issues), still happening.
I checked that I had all the windows updates, still happening.
I replaced my CPU heatsink with an H60i liquid cooling device (thought maybe overheating), still happening

I checked the event viewer, and the only errors it shows is the hard power down i'm forced to do each time, no notes of anything failing. As I mentioned before I get no BSOD, my CPU use is around 15-30%, heat sits around 30C, and it happens during different activities:

downloading files, watching movies, watching youtube, browsing the web, installing files, when idle, when updating the system, etc...

I have a suspicion it is AMD drivers messing it up, but I can't confirm it (I still get screen glitches randomly and things 'jump' every few minutes, just for a moment).

At this point it would be very expensive to buy new RAM or a new Solid State Drive (if it's a harddrive issue), so I'd rather try to find out if it's something I can fix without buying another 800 dollars worth of gear.

If anyone has any suggestions I'm highly interested to hear them.
 

lid6j86

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Nov 4, 2013
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Did a little looking around after your post, and I found OCCT which does stress tests and burn-in's. I ran it for a while with no issues on gfx, cpu, psu, or memory.

Can't really imagine what it might be at this point. I had diagnostic windows up and graphs when it crashed last time, and there were absolutely no abnormal spikes in voltage, cpu usage, memory consumption, or temperature. I ran "whocrashed" and it said there were no crash reports.
 

mcomp72

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Nov 3, 2013
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On Sunday night I got so frustrated with it that I decided to try replacing the video card. Since installing it, no more freezes. I'm not ready to declare victory just yet, but if another 48 hours goes by without any problems, then I'll feel pretty confident that that solved the problem.

The weird thing is that before replacing the video card, I ran in Safe Mode for about 48 hours, and no freezes happened. I'm not sure why that was. If the card was failing, I would have thought it would have showed signs of it while in Safe Mode, too. Maybe it was just dumb luck that it never happened then.
 

lid6j86

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Nov 4, 2013
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10,510


forgot to come back and respond, turns out I did have a CPU issue. The stress tests simply didn't detect it properly. I RMA'd the component and got a replacement, has been working fine ever since.
 
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