Lenovo X1 Yoga 1st Gen (model - 20FQ) with a locked BIOS

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  • opensourcefan
    New Member
    • Nov 2022
    • 6
    • Canada eh
    #1

    Lenovo X1 Yoga 1st Gen (model - 20FQ) with a locked BIOS

    Hey all, I have a Lenovo X1 Yoga 1st Gen (model - 20FQ) with a locked BIOS. I would like to unlock it.

    Currently I have it apart in all its glorious bits looking for the security eeprom that I can't find. Plan was to jump it. Next step I think is to pull the BIOS IC and flash a decryption file to it?? I'm a bit confused on that process.

    1. Pull the BIOS IC,
    2. Read and save the original locked file
    3. Flash the decryption file
    4. Install and boot up and remove password from BIOS
    5. Remove BIOS IC again
    6. Flash Original locked BIOS back
    7. Install and jump for joy??

    Can someone let me know if I'm on the right track.

    Also is there a known decryption BIOS for the X1 Yoga 1st Gen
    Tags: None
    • opensourcefan
      New Member
      • Nov 2022
      • 6
      • Canada eh
      #2
      Re: ThinkPad X1 Yoga 1st Gen (Type 20FR) BIOS needed

      Okay I believe I need to dump my locked file and attach it here and you fine people will mod it for me? Don't want to pull it till I have a solid plan.

      Oh, I probably should have mentioned that when it was together, I could still get into Windows, the whole thing isn't locked, just the bios.
      Last edited by opensourcefan; 11-19-2022, 06:43 PM.

        Comment

        • opensourcefan
          New Member
          • Nov 2022
          • 6
          • Canada eh
          #3
          Re: ThinkPad X1 Yoga 1st Gen (Type 20FR) BIOS needed

          All good, I found the linked thread and will give it a go.

          https://www.badcaps.net/forum/showthread.php?t=87588

            Comment

            • opensourcefan
              New Member
              • Nov 2022
              • 6
              • Canada eh
              #4
              Re: Lenovo X1 Yoga 1st Gen (model - 20FQ) with a locked BIOS

              Successfully patched as per the autopatcher thread linked above.

                Comment

                • mngboss
                  New Member
                  • Jul 2024
                  • 2
                  • Brazil
                  #5
                  Hi, friends!
                  I need help with my Yoga 1st Gen (20FB000QUS). I upgraded the MoBo to have 16GB, so I bought the same MoBo (14282-2M LRV1 MB 448.04P15.002M) on Aliexpress, but with the X1 Carbon 4th Gen (20FBA05ECD). I managed to edit the BIOS with the Intel ME/TXE injector tool and clean the ME and add the correct Chipset codes, but the Stylus Active Pen is not charging power. I measured the voltage on the original Yoga MoBo and it is 3.341volts/3.351volts, but on the X1 Carbon MoBo it is only 0.5volts, not enough to charge the Stylus Active Pen. This is definitely some missing ACPI code in the BIOS that releases the voltage to charge the pen, but unfortunately I don't know how to solve this problem. If anyone can help me, I would really appreciate it!

                    Comment

                    • peste
                      #5.1
                      peste commented
                      07-08-2024, 09:16 AM
                      Editing a comment
                      merged post...
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