Two year old custom build randomly freezes. Requires hard restart.

AeJayEm

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Jul 2, 2013
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So I have had my computer for about 2 years. The only problem before this was a bad PSU which I promptly replaced. Now the system will freeze, cursor, windows, sound, video, everything will freeze and the only way to get past it is a hard restart. While it fairly consistently freezes right after I get out of Battlefield 3, it will also freeze a few minutes after startup, with no games, videos or anything besides a browser window open.

I do not believe this to be another PSU failure because it happens both when it is under heavy and light load.


System Specs:

CPU: Intel(R) Core™ i7-960 3.20 GHz 8M
GPU: AMD Radeon HD 6870 1GB GDDR5 - (Like I said it does run hot, but it always has without problems)
MoBo: GigaByte GA-X58A-UD3R Intel X58 Chipset
Mem: (12GB 1600Hz Trichannel Memory)
PSU: Antec ATX EA 650W
HDD: 120GB SSD


Things I have tried:

Memtest - No errors
HDD - Moved the SATA cable to another port on the MoBo.
Dusted EVERYTHING. My GPU gets pretty dusty but I try to clean it frequently.
Checked MoBo for any obvious hardware malfunctions or capacitor leaks.
HDD - Replaced the HDD with another and installed windows, still freezes (Pretty much eliminates any hard drive as the culprit)
Played with Mem speed and a little with voltage. I have changed the speeds from 1066 to 1600 and 1333Hz but it still freezes. I have also tried changing the mem voltage from auto to normal, but no results so far.


Any help will be appreciated!
 
Solution
I am not sure if the i7-960 has integrated graphics, I assume it does, but you with simply remove the graphics card from your system, install intel integrated graphics drivers then use something like prime95 for a few hours and see if you get any errors.

AeJayEm

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Jul 2, 2013
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No I have not. I don't currently know how to do that.

I have however re installed windows completely and re installed all graphics drivers.

Would you mind sharing how to stress test the pc without the graphics card?
 

ps3hacker12

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I am not sure if the i7-960 has integrated graphics, I assume it does, but you with simply remove the graphics card from your system, install intel integrated graphics drivers then use something like prime95 for a few hours and see if you get any errors.

 
Solution

AeJayEm

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Jul 2, 2013
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Unfortunately my MoBo doesnt have any graphics ports so it would be impossible to take it out and run any systems.
 

ps3hacker12

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Never mind, im an idiot for not noticing, try running prime95 for a few hours anyway with the graphics card and see if you get any errors.
 

AeJayEm

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Jul 2, 2013
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No Problem. I got Prime95 and have started the tourture test, but I am not really sure what I am looking for. All 8 workers are doing "self-test", but I am not really sure what they are doing. I know my CPU is at 100% and my memory is steady at 4.5GB. Does this actually test the graphics card?
 

AeJayEm

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Jul 2, 2013
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Okay. Prime95 is still testing, but once that is done I will start Furmark. If all these fail the only thing I can think would be wrong would be the motherboard.