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Thread: Z77 Extrem 4 keeps crashing




  1. #1
    Rubicon1138 is offline Member
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    Default Z77 Extrem 4 keeps crashing

    I have an ASRock Z77 Extreme 4 LGA 1155 with an i5-3570k cpu and Kingston KHX1600C9D3K2/8GX Ram. Only cooling is the cpu fan, haven't gotten around to buying a box fan.

    Since the build a few days ago it kept crashing and I had to wait a while before I could start it up again. Yesterday the cpu fan ran very loud but I managed to boot up whereas I couldn't before. I installed a HDD with WIN 7 OS from a previous machine. I could not boot up until I changed BIOS setting for that HDD to IDE. Once I was in I slowly installed drivers but later realized that I can't use any USB devices even though I added all drivers including fastusb. So I decide to boot up to safe mode (maybe it was unnecessary) in order to uninstall and reinstall drivers. But my system crashed getting into safe mode. I was able to recover and get back to win 7. So it seems I have a problem getting into safe mode. There I was getting STOP: 0x0000007E and EUBKMON.SYS. But that aside earlier this morning the fan ran a little slower than yesterday and in one of the reboots the fan stopped spinning altogether. I was also getting a "machine_check_exception" errors during some of these reboots.

    Currently it's working but I can't get the USBs to work. It seems windows keeps installing old drivers instead of the one I want. TIA.
    Last edited by Rubicon1138; 11-16-2013 at 01:42 AM.

  2. #2
    Join Date
    Nov 2012
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    Default Re: Z77 Extrem 4 keeps crashing

    Sounds as if you're due for a fresh install of Windows.
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

  3. #3
    Rubicon1138 is offline Member
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    Dec 2009
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    Default Re: Z77 Extrem 4 keeps crashing

    The machine is more stable now that the CPU fan is hooked up to cpufan2 instead of 1. I am now able to boot into safe mode since I uninstalled easeUS Backup. It seems that EUBKMON.SYS is an EaseUS driver that was causing the trouble. Since the issue now is more of a driver issue than a hardware issue, I've started a new thread (USB issues).

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