Lenovo E15 corrupt BIOS

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  • OntarioTL
    Senior Member
    • Feb 2022
    • 51
    • Canada
    #1

    Lenovo E15 corrupt BIOS

    So I attempted to replace a Lenovo E15 laptop that had a buggered system board with a board from Aliexpress. All went fine and I updated the Serial # and Model which was the same 20RD as the original.

    Booted fine and got into the desktop of Windows. Run Lenovo Vantage and it finds a BIOS update. So I proceed and all seems fine until it reboots to complete the update. This is where when I returned from the washroom I saw the power LED blinking and the Num lock on. I let it sit there for quite sometime and no picture. I had no choice to power down and remove the battery along with CMOS battery. Well the blink when away and it will power on, but no post or display. Not even any beeps.

    Could someone help and see if they could fix the BIOS I took from the system board? Not sure whether it would be just a clean ME or fixing something else. I'm still wet behind the ear and learning as I go.

    Lenovo E15
    Model - 20RD005GUS
    Serial number - MJ0DMF99
    Attached Files
    Tags: None
    • OntarioTL
      Senior Member
      • Feb 2022
      • 51
      • Canada
      #2
      Sorry, I didn't include the system board model number. Found the board number from Aliexpress order FE4A0/FE5A0 NM-C421 Rev. 1.0

      I did work on the bios file I attached and cleaned the ME at my home after grabbing it from here. Not sure it will work until tomorrow. However, I tried to modify the file with the new BIOS update from Lenovo and it's a FL1 file which is smaller than the actual BIOS size so it's probably just an update. I have no idea where to start there and I have looked at guides but not exactly wrapping my brain around it at the moment.

      Fingers crossed. However, if you still feel like assisting since you may think I may have missed something, please don't hesitate to have a look at this BIOS file.

        Comment

        • OntarioTL
          Senior Member
          • Feb 2022
          • 51
          • Canada
          #3
          Well this morning I flashed to what I believed is a clean ME version of this BIOS I posted. It did not work. I would think I had done the clean ME procedure right, but who knows.

          I even borrowed another clean ME bios for this particular model from another forum post just in case. Still no post.

          So unfortunately even though I am attempting to fix this myself, I may need help afterall.

            Comment

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