Random Freeze and Reboot

Discussion in 'CPU, Motherboards and Memory' started by Nicholas Quirk, Apr 28, 2011.

  1. Nicholas Quirk

    Nicholas Quirk Geek Trainee

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    I've search a lot and have run many tests, but I can't figure out why my desktop is randomly rebooting and locking up.

    - I've run memtest86+ for an hour.
    - I've used FurMark to do a stability test on my GPU. Although, the temperature did reach 103* C ( could that be the issue? ).
    - I've used prime95 to check my CPU for heat issues ( it remained steady at 67* C after ten minutes of running prime95 ).
    - I've checked my MOBO temp during the prime95 check and it was remaining at a steady 47* C.
    - I've monitored my voltages to make sure it wasn't spiking or dipping.

    I did almost all this in one sitting, and the damn thing locked up after I clicked 'shutdown'

    The rig is a homebrew with the current conf:

    Windows 7 64-bit
    AMD Phenom II x4 965
    6.0 GB RAM DDR3 @ 666Mhz (9-9-9-24)
    ASUS M4A79XTD EVO
    XFX GeForce 8600FT 512MB

    Any ideas!?
     
    Nicholas Quirk, Apr 28, 2011
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  2. Ghostman 1

    Ghostman 1 Mega Geek

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    lockups can be caused by allot of things, Have you scanned for a Virus ? Check the Processor to see if it is seated right.. Also the fan on the processor..
    could also be a bad ram chip.. Have you tired another OS ? try a 32 bit instead of 64 ... there is just too many things to check, But you will need to narrow it down some how..
     
    Ghostman 1, Apr 28, 2011
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  3. Nicholas Quirk

    Nicholas Quirk Geek Trainee

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    Freshly install OS. Bad RAM chip not detected by memtest... There's only one way to seat a CPU...
     
    Nicholas Quirk, Apr 28, 2011
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  4. ThutmosisIII

    ThutmosisIII Geek Trainee

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    If there is a BIOS feature "Spread Spectrum", disable it. I have an ASRock P4i65G motherboard with Spread Spectrum enabled by default. I experienced random stop errors in Windows XP. After switching Spread Spectrum off the systems works totally fine.
     
    ThutmosisIII, Apr 29, 2011
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  5. Random Person

    Random Person Guest

    Just sayin', but I hope you know that those temperatures are way above the normal rates? All your hardware should be somewhere around 25-40 degrees C while idling, 45-55 while being used intensively. But 100 degrees C for your GPU? That's not normal. I think you need to get better cooling man. 4 out of 5 times random freezes & reboots are caused by overheating.
     
    Random Person, May 2, 2011
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  6. Aneil Alam

    Aneil Alam Geek Trainee

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    Did this just start happening? did you change something recently that may be relevant to your issues? Did you just build this machine?
    Again have you tried a 32 bit OS instead. Are all your Drivers up to date?

    if you dont have access to a windows 32 bit os prehaps you could try an Linux OS and run a stress test see if the same happens
     
    Aneil Alam, May 3, 2011
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