Lenovo x270 post problem help!!

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  • NConstantinou
    Badcaps Veteran
    • May 2017
    • 334
    • Cyprus

    #1

    Lenovo x270 post problem help!!

    Dear all

    i have the above laptop which sometimes enters bios and sometimes does not
    or freeze at POST. all voltages at coils seem to be ok.
    i assume bios corruption.

    i am attaching bios files.
    does anyone has BIN file for it

    thanks
    Attached Files
  • hoaca388
    Badcaps
    • Jan 2022
    • 11647
    • Socialist Republic of Vietnam

    #2
    Re: Lenovo x270 post problem help!!

    Originally posted by nconstantinou
    dear all

    i have the above laptop which sometimes enters bios and sometimes does not
    or freeze at post. All voltages at coils seem to be ok.
    I assume bios corruption.

    I am attaching bios files.
    Does anyone has bin file for it

    thanks
    Attached Files


    ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
    Mọi khoản quyên góp cho badcaps đều được hoan nghênh, hãy nhấp vào liên kết này để quyên góp. Cảm ơn tất cả những người ủng hộ----------------------------------------------------------------------------------------------------------------------------------------------------------------

    Comment

    • NConstantinou
      Badcaps Veteran
      • May 2017
      • 334
      • Cyprus

      #3
      Re: Lenovo x270 post problem help!!

      I have tried this file BUT NOTHING. same problem
      i notice PL402 has no voltage.there are 2 coils near cpu one has 1.17v and the other has nothing BUT there is no short.

      thanks

      Comment

      • SMDFlea
        Super Moderator
        • Jan 2018
        • 20695
        • UK

        #4
        Re: Lenovo x270 post problem help!!

        Originally posted by NConstantinou
        Dear all

        i have the above laptop which sometimes enters bios and sometimes does not
        or freeze at POST. all voltages at coils seem to be ok.
        i assume bios corruption.

        i am attaching bios files.
        does anyone has BIN file for it

        thanks
        Is the model type Type 20HN,20HM or something else.Post the serial number
        All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

        Comment

        • NConstantinou
          Badcaps Veteran
          • May 2017
          • 334
          • Cyprus

          #5
          Re: Lenovo x270 post problem help!!

          Laptop s/n is PC-0R20ED
          motherboard DX270 NM-B061
          Model 20HN-002UCY

          i have one question.
          somebody gave me 2 bios files for this.
          one says X270 DX270 NM-B061 Bios size 16384 bytes
          and the second x270 DX270 NM-B061 ECROM.bin 192kb
          do i have to program both eproms!

          for now i just used yours and programmed only one.

          thanks
          Last edited by NConstantinou; 02-17-2022, 09:26 AM.

          Comment

          • hoaca388
            Badcaps
            • Jan 2022
            • 11647
            • Socialist Republic of Vietnam

            #6
            Re: Lenovo x270 post problem help!!

            Non clear ME file



            EC file

            Attached Files
            Last edited by hoaca388; 02-17-2022, 09:39 AM.


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            Mọi khoản quyên góp cho badcaps đều được hoan nghênh, hãy nhấp vào liên kết này để quyên góp. Cảm ơn tất cả những người ủng hộ----------------------------------------------------------------------------------------------------------------------------------------------------------------

            Comment

            • NConstantinou
              Badcaps Veteran
              • May 2017
              • 334
              • Cyprus

              #7
              Re: Lenovo x270 post problem help!!

              Sorry for my question

              the first bios w25q128 is the bios near cpu. that is clear for me to download and program it.

              what about ec.bin file.

              do i need to program the other bios also 25Q80 with this bin file!
              do i have to do anything else after that!


              Thanks

              Comment

              • NConstantinou
                Badcaps Veteran
                • May 2017
                • 334
                • Cyprus

                #8
                Re: Lenovo x270 post problem help!!

                Programming w25Q128 with the file 16384kb and 25q80 with the file 192kb (original file is 1024kb) laptop power on but still no POST

                Comment

                • SMDFlea
                  Super Moderator
                  • Jan 2018
                  • 20695
                  • UK

                  #9
                  Re: Lenovo x270 post problem help!!

                  Originally posted by NConstantinou
                  Programming w25Q128 with the file 16384kb and 25q80 with the file 192kb (original file is 1024kb) laptop power on but still no POST
                  Don`t know whats on the 1MB 25Q80 chip,maybe USB or thunderbolt firmware.I hope you made a backup of it,because you need to flash it back. The 192KB file is the EC firmware to flash to the MEC1653 chip.
                  All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                  Comment

                  • NConstantinou
                    Badcaps Veteran
                    • May 2017
                    • 334
                    • Cyprus

                    #10
                    Re: Lenovo x270 post problem help!!

                    Yes I have backup.i will replace it.

                    How to flash ec file!

                    Thanks

                    Comment

                    • SMDFlea
                      Super Moderator
                      • Jan 2018
                      • 20695
                      • UK

                      #11
                      Re: Lenovo x270 post problem help!!

                      Originally posted by NConstantinou
                      Yes I have backup.i will replace it.

                      What to do with ec file!

                      Thanks
                      Depends what programmer you have.You can`t program it with a CH341a, you need a Vertyanov JIG ,SVOD3/4,RT809H

                      https://www.badcaps.net/forum/showpo...40&postcount=2
                      All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                      Comment

                      • NConstantinou
                        Badcaps Veteran
                        • May 2017
                        • 334
                        • Cyprus

                        #12
                        Re: Lenovo x270 post problem help!!

                        I have rt809f. I guess that does support it!

                        DO I FLASH IT SAME WAY AS BIOS!
                        Thanks
                        Last edited by NConstantinou; 02-20-2022, 11:14 AM.

                        Comment

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