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    #1

    X1 Yoga 3rd (20LE)

    Hello,

    Anyone has a clean BIOS for X1 Yoga 3rd, type 20LE (seems not to matter)?

    I have a bricked laptop after flashing with the CH341a in Windows. Now I try to flash with Ubuntu using flashrom, which seems to be more stable and easier to use.

    I'm not sure that my original dumps were correct.

    Either that, or the machine has other electrical problems?

    Thanks in advance.
    Tags: None
    #2
    Re: X1 Yoga 3rd (20LE)

    Originally posted by drjlt View Post
    Hello,

    Anyone has a clean BIOS for X1 Yoga 3rd, type 20LE (seems not to matter)?

    I have a bricked laptop after flashing with the CH341a in Windows. Now I try to flash with Ubuntu using flashrom, which seems to be more stable and easier to use.

    I'm not sure that my original dumps were correct.

    Either that, or the machine has other electrical problems?

    Thanks in advance.
    post the corrupted bios here..
    Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

    >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

    Every donation made will go towards server fees and maintenance costs.

    Comment

      #3
      Re: X1 Yoga 3rd (20LE)

      Originally posted by peste View Post
      post the corrupted bios here..
      Hi, this is one of the initial reads.
      Attached Files

      Comment

        #4
        Re: X1 Yoga 3rd (20LE)

        btw, now the power button lights up for a second before everything is turned off. The power button becomes unresponsive until the reset button is pressed (or battery disconnected).

        I hope to find a good copy of the BIOS to try and rule out other electrical problems.

        I flashed the .bin extracted from Lenovo's official BIOS (linux version) in Windows using NeoProgrammer, although that file is 9MB and flashrom refuses to flash it to the chip.

        Correction:
        I just realized that the 9MB bin from Lenovo is only half of the BIOS called "System Firmware N25ET60W"; there's also an "Embedded Controller Firmware N25HT33W". Should I combine them?
        Last edited by drjlt; 07-22-2022, 12:41 PM.

        Comment

          #5
          Re: X1 Yoga 3rd (20LE)

          Originally posted by drjlt View Post
          btw, now the power button lights up for a second before everything is turned off. The power button becomes unresponsive until the reset button is pressed (or battery disconnected).

          I hope to find a good copy of the BIOS to try and rule out other electrical problems.

          I flashed the .bin extracted from Lenovo's official BIOS (linux version) in Windows using NeoProgrammer, although that file is 9MB and flashrom refuses to flash it to the chip.

          Correction:
          I just realized that the 9MB bin from Lenovo is only half of the BIOS called "System Firmware N25ET60W"; there's also an "Embedded Controller Firmware N25HT33W". Should I combine them?
          X1 Yoga 3rd Gen (Type 20LE)
          Attached Files
          ----------------------------------------------------------------------------------------------------------------------------------------------------------
          All donations to Badcaps are welcome.
          Become a Badcaps supporter
          >>>>> click on this link to donate <<<<<
          Thanks to all supporters.
          ----------------------------------------------------------------------------------------------------------------------------------------------------------​

          Comment

            #6
            Re: X1 Yoga 3rd (20LE)

            Originally posted by hoaca388 View Post
            X1 Yoga 3rd Gen (Type 20LE)
            Thank you very much for the BIOS file.

            Unfortunately, even after flashing and verified with flashrom, the same symptom remains for this machine:

            Press power button, it lights up half a second and becomes unresponsive.

            Must have other issues on the board. As I see the board has been repaired or replaced before (some screws half stripped and antenna cables not fixed properly), it could be electrical.

            Anyway, thanks again for the file. Someone else may also find it useful!

            Comment

              #7
              need bios X1 Yoga 3rd Gen Type 20LE

              Hi!
              Need a bios for my Lenovo X1 Yoga 3rd Gen Type 20LE. s/n: R90QWXYK
              at first after fault bios update got beep code 0285.
              search this forum and found thread with such sympoms.
              try flash 2 version of bins with "CH341A", and now dont work even beeps.
              my backup also dont work.
              please help
              Last edited by tfkz; 09-17-2023, 02:35 PM.

              Comment

                #8
                Re: need bios X1 Yoga 3rd Gen Type 20LE

                Originally posted by tfkz View Post
                Hi!
                Need a bios for my Lenovo X1 Yoga 3rd Gen Type 20LE.
                at first after fault bios update got beep code 0285.
                search this forum and found thread with such sympoms.
                try flash 2 version of bins with "CH341A", and now dont work even beeps.
                my backup also dont work.
                please help
                Post the serial number - https://www.badcaps.net/forum/showthread.php?t=103570

                .
                All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                Comment

                  #9
                  Re: need bios X1 Yoga 3rd Gen Type 20LE

                  i did it!
                  use bios dump from this forum (X1 Yoga 3rd Gen (Type 20LE).rar 23.07.2022) and laptop is alive.
                  thank you all =)
                  Last edited by tfkz; 09-17-2023, 03:07 PM.

                  Comment

                    #10
                    Originally posted by drjlt View Post
                    Re: X1 Yoga 3rd (20LE)



                    Thank you very much for the BIOS file.

                    Unfortunately, even after flashing and verified with flashrom, the same symptom remains for this machine:

                    Press power button, it lights up half a second and becomes unresponsive.

                    Must have other issues on the board. As I see the board has been repaired or replaced before (some screws half stripped and antenna cables not fixed properly), it could be electrical.

                    Anyway, thanks again for the file. Someone else may also find it useful!
                    did you fix it? because my problem same as yours

                    Comment

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