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Computer system freezes at seemingly random times

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.

My GPU does run pretty hot (60-70C) if I am playing a game, but it does not always freeze at this point, and it can freeze when the GPU is only 35C.

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: (10GB Trichannel Memory)
PSU: Antec ATX EA 650W
HDD: 120GB SSD

Things I have tried:
1. Memtest - Ran one version of this, but I will run another tonight. So far no errors
2. HDD - Moved the SATA cable to another port on the MoBo.
3. Dusted EVERYTHING. My GPU gets pretty dusty but I try to clean it frequently.
4. Checked MoBo for any obvious hardware malfunctions or capacitor leaks.

Things I will try soon (As soon as I get the chance):
1. More Memtests
2. Graphics driver updates
3. Move GPU to different slot in MoBo

Any help will be appreciated!
4 answers Last reply Best Answer
More about computer system freezes seemingly random times
  1. random freezes without any bluescreen or errors is difficult to diagnose. this could be caused by anything from thermal safety mechanisms to flakey memory modules to PSU shorts. The one thing I noticed in your build was that you have 10gb of memory. the X58 chipset sported a tri-channel memory controller, so you are using 2 4gb modules and 1 2gb module? this may be POSSIBLE but it definitely doesn't seem practical, and may be the cause of freezes. also, if your memory modules are all different brands, or if even just 1 module is, that would have an adverse effect on system stability.

    also, I would check your hard drive. random freezes can be caused by corrupted bits on the hard drive in vital sectors. a program like spinrite or even the windows based error checking would determine this.
  2. kewlguy239 said:
    random freezes without any bluescreen or errors is difficult to diagnose. this could be caused by anything from thermal safety mechanisms to flakey memory modules to PSU shorts. The one thing I noticed in your build was that you have 10gb of memory. the X58 chipset sported a tri-channel memory controller, so you are using 2 4gb modules and 1 2gb module? this may be POSSIBLE but it definitely doesn't seem practical, and may be the cause of freezes. also, if your memory modules are all different brands, or if even just 1 module is, that would have an adverse effect on system stability.


    Thank you for your quick response!

    I have 5 sticks of 2 GB memory (all of them are this exact stick: http://www.amazon.com/gp/product/B00433L22U/ref=wms_ohs_product?ie=UTF8&psc=1)


    UPDATE: I just realized this memory is ONLY DUAL CHANNEL. I don't know how this effects anything, but I thought I would let you know.

    I don't really understand what it doesnt support. There are six ports for memory on the MoBo and I had expanded it twice so only one port is left open. Could you explain a little more to me why that is a problem?

    Thanks again!
  3. Best answer
    AeJayEm said:
    kewlguy239 said:
    random freezes without any bluescreen or errors is difficult to diagnose. this could be caused by anything from thermal safety mechanisms to flakey memory modules to PSU shorts. The one thing I noticed in your build was that you have 10gb of memory. the X58 chipset sported a tri-channel memory controller, so you are using 2 4gb modules and 1 2gb module? this may be POSSIBLE but it definitely doesn't seem practical, and may be the cause of freezes. also, if your memory modules are all different brands, or if even just 1 module is, that would have an adverse effect on system stability.


    Thank you for your quick response!

    I have 5 sticks of 2 GB memory (all of them are this exact stick: http://www.amazon.com/gp/product/B00433L22U/ref=wms_ohs_product?ie=UTF8&psc=1)


    UPDATE: I just realized this memory is ONLY DUAL CHANNEL. I don't know how this effects anything, but I thought I would let you know.

    I don't really understand what it doesnt support. There are six ports for memory on the MoBo and I had expanded it twice so only one port is left open. Could you explain a little more to me why that is a problem?

    Thanks again!


    That's definitely the problem. an X58 motherboard does NOT have dual channel memory. All 58 platforms were triple channel. Triple Channel memory controllers usually start with 3 dims, some have 6. if you are only using 5, that doesn't work. I mean it WORKS but you wont have any stability whatsoever. triple channel means u need to have the amount of dims in the system a multiple of 3. 5 leaves part of the channel empty so it bottlenecks and freezes. add another module to the last empty slot. this should resolve your issue.

    it okay the memory itself is labeled as dual channel... as long as you have the same size/timings in each slot you are ok. you only went wrong when you left that 6th slot empty.
  4. Well I really appreciate your help in this matter. I have just ordered one more stick of that memory and I will post if it fixes the problem. I consider myself pretty knowledgeable with computers and I did not know that. Thanks again!
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