Computer Randomly Freezing

My computer is randomly freezing, and I cannot figure out why. It will freeze some times after a few moments or sometimes after a few days. What will happen is the system will stop responding, then my CPU fan will start running very quickly. Then the mouse will stop responding. My system does not seem to be running very hot except for the GPU which at start up speedfan is telling me is running at 55C. Everything else stays in the 30-40C range. It does not seem that any one program is causing the freezing because it happens with anything I am running. My build as follows:

LITE-ON 24X DVD Writer Black SATA Model iHAS424-98 LightScribe Support [...] 6827106335

ASUS VW246H Glossy Black 24" 2ms(GTG) HDMI Widescreen LCD Monitor [...] 6824236049

GIGABYTE GA-880GA-UD3H AM3 AMD 880G SATA 6Gb/s USB 3.0 HDMI ATX AMD Motherboard [...] 6813128444

ZOTAC ZT-20109-10P GeForce GTS 250 1GB 256-bit DDR3 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card [...] 6814500152

G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model F3-10666CL9D-8GBRL [...] 6820231311

AMD Phenom II X6 1090T Black Edition Thuban 3.2GHz Socket AM3 125W Six-Core Desktop Processor Model HDT90ZFBGRBOX [...] 6819103849

COOLER MASTER Silent Pro 600 RS-600-AMBA-D3 600W ATX12V V2.3 SLI Certified CrossFire Ready 80 PLUS Certified Modular Active ... [...] mbo.422476

COOLER MASTER RC-692-KKN3 CM690 II Basic Black Steel ATX Mid Tower Computer Case [...] mbo.422476

SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive [...] mbo.425801
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  1. Sounds similar to my ordeal, the thing crashed half an hour ago, and has been doing it for a year.

    It is a random event that can happen every day, every two days or every two weeks, it's not heat depending since the GPU can hit 90 degrees without coughing, neither it's the PSU since I've changed it four times, and it's not Windows since I've tried five different versions and it's the same crap on all.

    The similarities I see are the GPU, mine is a dreaded GTS 250 too, and the Gigabyte MoBo. Could those parts be in conflict and causing the problem?

    To begin with something you can check your ram with memtest and your rig with Prime95 and run every kind of antivirus and spyware you can. Check also the ram voltages on the bios, and update all the drivers you can, also use SpeedFan or EVGA Precision to control your fans manually.

    Disable automatic restart on Windows to see if you can catch a BSOD and write the code. You could swap the GPU with other to see if the problem persists or use the onboard GPU for some days and borrow another PSU, that may narrow the problems.

    That's pretty much all the troubleshooting I've done and so far nothing has solved the problem, I also sent the PC over to the vendors for nearly two months, and they found only small details concerning an old chinese PSU, the CPU and RAM incompatibility.

    Anyway, hope you find a solution soon, for this is a very frustrating issue, and I know it...


  2. i second the memory test. also have you configured the rams timing and voltage to the proper levels?
  3. ran memtest. No errors found. will check ram timing and voltage tomorrow.
  4. In case anyone else is having a similar problem I stopped using firefox and am now using Chrome and have had no freezes.
  5. Will try Chrome then for 3 weeks, for the sake of troubleshooting.

    I've also uninstalled Daemon Tools, and so far it's been 4 days of heavy load, games and long idling with no crashes, some say the Lite version caused lock ups on Win 7, we'll see.


  6. No freezes since last update. Firefox seemed to be the culprit
  7. I've had some freezings even after quiting Firefox, did you just stopped using it or did you uninstalled it?


  8. I just stopped using it. Still not one crash.
  9. Hi, i also have those freezing-problems.
    Have you had crashes without Firefox till now?
    And would you prefer to uninstall Daemon Tools Lite as well?
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