Power Outage Messed Up my Bios, Unable to Load Anything

  1. Posts : 15
    Windows 10

    Power Outage Messed Up my Bios, Unable to Load Anything

    Hi all, I got a power outage which shut my PC off instantly.
    When I tried powering it on, it ended up boot looping within the BIOS Post screen continuously so something was up.
    I've tried booting straight into UEFI boot drive but it just says Preparing Automatic Repair and freezes or restarts again.
    Booting into a bootable flashdrive such as Ubuntu or Elementary OS freezes at the Grub Screen, and booting into a bootable Windows 10 setup USB drive freezes at the Windows logo as well.

    At one point while I was trying everything out such as reseating RAM sticks and unplugging hard drives, it booted into Windows 10 but when I shut it off to put everything back together the problem re-occurred and I haven't been able to reproduce the proper boot solution.

    Is my motherboard screwed? Or am I still able to do anything with it? I've already tried resetting by taking out the CMOS battery but the result is still the same.

    Processor: AMD A8 5600K
    RAM: 2x 4GB Kingston 1600 DDR3
    Motherboard: EMX-A55FM2HD-iCAFE
    Boot Drive: Samsung 860 EVO Sata SSD 500GB
    Secondary Drive: Seagate 500GB
    GPU: Palit GTX 750TI

    Thanks in advance for any help!
      My Computer

  2. Posts : 392

    Let's start with these free diagnostics:
    - MemTest86: MemTest86 - Official Site of the x86 Memory Testing Tool (I use this one as it boots on UEFI systems without changing any settings)
    - Seagate Seatools (test ALL hard drives): SeaTools Legacy Tools |

    As this is the DOS version, follow the directions closely. If using a UEFI based system, you may have to disable Secure Boot and enable Legacy mode in the UEFI settings (in order for it to run).

    FWIW - if the mobo is fried it's going to take a while to rule it out. And, it's especially difficult to do with a laptop (as most component parts are built into the motherboard - and those that aren't are difficult to get at/replace for testing).
      My Computer

  3. Posts : 8,755
    Mac OS Catalina

    A power outage will not mess up the Bios. If you got a surge, it will cause the hard drive to get screwed up and can cause you to replace items like the hard drive.
    This sounds like a continuance of I got an endless loop of automatic repair after a power trip. Was the problem not resolved from that thread? Booting into Linux will not fix the problem.
      My Computer


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