Unknown BIOS error causing BIOS resets.

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  1. Caledon Ken's Avatar
    Posts : 14,802
    Windows 10 Pro x64 Build 1809

    and what is the Q-code?
      My ComputerSystem Spec

  2. Trapper's Avatar
    Posts : 142
    Win 10 Pro 64 & 7 Pro 64 on 2 HDD's
    Thread Starter

    Been without power today, having our house renovated and is in total chaos.
    Q-Codes, apologies but cannot find any reference to these in the user guide.
    I have hopefully attached 3 scans of the guide showing where the LED's I mentioned are located. Having looked at these I am not sure if they are in fact errors.

    Many thanks for you help. Very much appreciated
    Attached Thumbnails Attached Thumbnails P8P67 Pro REV3.1 CLRTC LED.JPG   P8P67 Pro REV3.1 EPU LED.JPG   P8P67 Pro REV3. TPU LED.JPG  
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  3. Infrasonic's Avatar
    Posts : 185
    W10 Home 1803 / Virtual Box / Linux Mint VM

    Been without power today, having our house renovated and is in total chaos.
    Any correlation between the PC BIOS issues and when the power has been off and on?
    Power fluctuations (surges/brownouts, sudden cuts) and BIOS corruption are sometimes linked, so even if the RTC is correct a reset might be needed (as per 2.2.7 above).
    Exhaust other possibilities first but bear it in mind.
      My ComputersSystem Spec

  4. Caledon Ken's Avatar
    Posts : 14,802
    Windows 10 Pro x64 Build 1809

    Wow didn't realize the boards were so different.

    All you lights are normal, EPU, TPU and Power (by CLRTC)

    Is the light on?

    Click image for larger version. 

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    Very close to EPU light but it is your memory light?

    Next lets see if you are experiencing disk errors. Please install Crystal Disk Info Standard edition

    CrystalDiskInfo – Crystal Dew World

    Once installed click on "Function" tab > Advance Feature > Raw Values > 10[Dec]

    This present error values in decimal amounts.

    What is the overall health status of boot disk? Are any of the categories showing a warning? Are you getting seek, write or read errors? Have you gotten any "Reallocated Sectors"?

    How old is video card?
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  5. Trapper's Avatar
    Posts : 142
    Win 10 Pro 64 & 7 Pro 64 on 2 HDD's
    Thread Starter

    Thanks for the suggestion Infrasonic, I will bear that in mind.
    I will post the report from the Crystal Disk info result. Looks like C5 has a caution but no idea what it is.
    It is not the memory LED, the lit LED is below the EPC switch.
    The boot disk is fairly old, not sure exactly how old but would guess around 5~8 years. There have never been any problems with it in the past that have shown up.Not seen any reference to "relocated Sectors"
    The video card, MSI Geforce GTX 750Ti Manufactured date 14/04/2014 so not that old and is kept up to date with drivers.
    Our builders let me know if they are cutting off the power so I can shut down before they do.
    I often leave the PC running when I have to do something else, normally I return to find the screen saver slide show running. Tonight for the first time I found not the slideshow but a message that my 'PC ran into a problem....... we will restart it for you' 100% complete.
    I waited and it did not restart so started it up myself. The stop code was DPC WATCHDOG VIOLATION. I will look this up later.
    As regards power up starts, if I start from cold, power on PC on, the error occurs every time. If I shut down the PC but leave the power connected and then restart the error does not appear.
    Attached Thumbnails Attached Thumbnails Crystal Disk Info.JPG  
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  6. Caledon Ken's Avatar
    Posts : 14,802
    Windows 10 Pro x64 Build 1809

    I would be planning for it's replacement.

    Current Pending Sector Count Warning: What You Need To Know

    Most if not all my disks have a zero read error rate. Yours says 8000+

    Compare to your own, looks like you have five others.
      My ComputerSystem Spec

  7. Caledon Ken's Avatar
    Posts : 14,802
    Windows 10 Pro x64 Build 1809

    and with a system image done (Macrium Reflect)

    Backup and Restore with Macrium Reflect

    and with created and tested boot disks from the tool of your choice, I use Macrium...


    chkdsk /r

    on c:
      My ComputerSystem Spec

  8. Trapper's Avatar
    Posts : 142
    Win 10 Pro 64 & 7 Pro 64 on 2 HDD's
    Thread Starter

    I do check C driver properties and found no errors, the screenshot below is normal after a scan. I did another just now and no errors were found. strange that crystal disk found so many and windows check did not find one.

    Can you suggest a tutorial that covers swapping C drive with a new one?
    Something must be causing this error, if not the drive any suggestions?
    Attached Thumbnails Attached Thumbnails CHKDSK.JPG  
      My ComputerSystem Spec

  9. Caledon Ken's Avatar
    Posts : 14,802
    Windows 10 Pro x64 Build 1809

    What about other devices, any read errors?

    You could swap in new data cable. I would also disconnect power and reconnect.

    Please start

    chkdsk /r

    from command prompt(admin).

    I would use Macrium to clone. Actual cloning errors can lead to issues. Clean would be best but I understand workload.

    Cloning a disk - KnowledgeBase v7.2 - Macrium Reflect Knowledgebase - KnowledgeBase v7.2 - Macrium Reflect Knowledgebase

    If you were thinking SSD I use Samsung and they also have very good cloning software.

      My ComputerSystem Spec

  10.    #20

    Trapper said: View Post
    BIOS time is correct, so assume the battery is okay. Once the BIOS has shut down and loaded for the second time it boots fine.
    The BIOS on my desktop PC can cause problems stopping the PC booting even if the date is correct. The only way to be sure is to check the battery voltage. New CR2032 batteries are 3.0-3.2V when new then plateau for a long period on 2.8V before falling rapidly and failing. I replace any battery under 2.8V or more than 2 years old. Always set the BIOS defaults after changing the battery. I would reflash the BIOS with the latest version if you have continuing BIOS problems.
      My ComputersSystem Spec

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