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Request for Lenovo 5-15IMH05H Type 81Y6 BIOS bin file

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  • maanee11
    Member
    • May 2022
    • 13
    • Belgium
    #1

    Request for Lenovo 5-15IMH05H Type 81Y6 BIOS bin file

    Hello Everyone,

    I have Lenovo Legion 5-15IMH05H (Lenovo) - Type 81Y6

    and I have encountered a Black screen on startup. I have tried the power drain and all sorts of tricks that were available online to revive it but no joy.

    Since I have already an expired warranty, I am thinking of flashing the BIOS externally. I have a Ch341A SPI flasher to program the BIOS externally. I see that to program the BIOS, I need a bin file for the BIOS. The latest BIOS executable can be found here but I need the bin file to flash it externally.

    https://pcsupport.lenovo.com/us/en/d...ion-5-17imh05h

    Is there somebody who might have the correct file that I could use to flash or help me how to create one?

    The BIOS chip (I suspect) is: 25B127DSIG. Let me know if it is the case or maybe I am mistaken.

    Look forward to your reply and any sort of help in reviving my Laptop.

    Regards,
    Brecht
    Tags: None
    • hoaca388
      Badcaps
      • Jan 2022
      • 12687
      • Socialist Republic of Vietnam
      #2
      Re: Request for Lenovo Legion 5 BIOS bin file

      Originally posted by maanee11
      Hello Everyone,

      I have Lenovo Legion 5-15IMH05H (Lenovo) - Type 81Y6

      and I have encountered a Black screen on startup. I have tried the power drain and all sorts of tricks that were available online to revive it but no joy.

      Since I have already an expired warranty, I am thinking of flashing the BIOS externally. I have a Ch341A SPI flasher to program the BIOS externally. I see that to program the BIOS, I need a bin file for the BIOS. The latest BIOS executable can be found here but I need the bin file to flash it externally.

      https://pcsupport.lenovo.com/us/en/d...ion-5-17imh05h

      Is there somebody who might have the correct file that I could use to flash or help me how to create one?

      The BIOS chip (I suspect) is: 25B127DSIG. Let me know if it is the case or maybe I am mistaken.

      Look forward to your reply and any sort of help in reviving my Laptop.

      Regards,
      Brecht
      Always remember to back up the original bios even if it's broken before flashing a new bios.


      The steps to program the bios chip are: READ ( for backup ) --> Erase --> Blank check --> Write --> Verify

      READ your bios chip and post backup file and serial number here.
      If you have found our forum useful please consider supporting us. Subscribe for a small monthly fee and receive extra benefits including our bios, boardview & schematic archive.

      Subscribe to support us. It only takes 1 minute:
      https://www.badcaps.net/settings/subscriptions

        Comment

        • MiXeR
          New Member
          • Oct 2019
          • 3
          • Poland
          #3
          Hi, I have a Lenovo Legion 5 which is dead when turned on except for the power LED. After connecting the power supply, it starts by itself and the same situation, the charging diode is on. I suspect BIOS corruption because the laptop does not start, the CPU and GPU do not heat up.

          Lenovo Legion 5 15IMH05H
          S/N: PF2DBKX1
          MTM: 81Y600BSPB
          Attached Files

          Premium supporters get full download access and other benefits.

            Comment

            • peste
              Super Moderator
              • Dec 2016
              • 15089
              • ROMANIA
              #4
              Originally posted by MiXeR
              Hi, I have a Lenovo Legion 5 which is dead when turned on except for the power LED. After connecting the power supply, it starts by itself and the same situation, the charging diode is on. I suspect BIOS corruption because the laptop does not start, the CPU and GPU do not heat up.

              Lenovo Legion 5 15IMH05H
              S/N: PF2DBKX1
              MTM: 81Y600BSPB
              try post #2
              https://www.badcaps.net/forum/troubl...mp#post1726131
              If you have found our forum useful please consider supporting us. Subscribe for a small monthly fee and receive extra benefits including our boardview / schematic archive.

              It only takes 1 minute:
              https://www.badcaps.net/settings/subscriptions

                Comment

                • MiXeR
                  New Member
                  • Oct 2019
                  • 3
                  • Poland
                  #5
                  Originally posted by peste

                  try post #2
                  https://www.badcaps.net/forum/troubl...mp#post1726131
                  Unfortunately, the laptop behaves the same. I don't rule out a hardware problem, the laptop was terribly dirty and the paste had expired.

                    Comment

                    • firdausridw
                      Member
                      • Nov 2021
                      • 19
                      • Indonesia
                      #6
                      please disable vga this bios
                      Legion 5-15IMH05H (Lenovo) - Type 81Y6
                      sn : PF29KWS6
                      Attached Files

                      Premium supporters get full download access and other benefits.

                        Comment

                        • maanee11
                          Member
                          • May 2022
                          • 13
                          • Belgium
                          #7
                          Hello Everyone,

                          I have extracted the BIOS bin file via CH341A programmer. But i dont have any display on the Laptop and it just stopped working /providing even HDMI output.

                          I would like to reflash the BIOS. Please provide a BIOS flash bin file if you have it.

                          Here is the information:

                          Lenovo Legion 5 15IMH05H
                          S/N: PF2B0NHX
                          MTM: 81Y600AHMB

                          I am attaching the current BIOS file that i read.

                          With Regards
                          Badcaps - Laptop, TV, & Other Electronics Repair Forum - Badcaps
                          http://badcaps.net
                          Badcaps Capacitor Search Engine & Electronics Repair Forum
                          Last edited by SMDFlea; 11-24-2025, 12:33 PM. Reason: link..

                            Comment

                            • SMDFlea
                              #7.1
                              SMDFlea commented
                              11-24-2025, 12:37 PM
                              Editing a comment
                              Thread merged..next time please look for a thread with the name and model, motherboard model of the laptop, and post there, if you can't find it, then make a new thread..
                            • maanee11
                              Member
                              • May 2022
                              • 13
                              • Belgium
                              #8
                              Originally posted by hoaca388
                              Re: Request for Lenovo Legion 5 BIOS bin file


                              Always remember to back up the original bios even if it's broken before flashing a new bios.


                              The steps to program the bios chip are: READ ( for backup ) --> Erase --> Blank check --> Write --> Verify

                              READ your bios chip and post backup file and serial number here.
                              Serial Number: PF2B0NHX
                              MTM: 81Y600AHMB
                              File after reading BIOS: **********************

                                Comment

                                • LBTT1121
                                  Badcaps Legend
                                  • Nov 2024
                                  • 1614
                                  • Việt Nam
                                  #9
                                  Originally posted by maanee11

                                  Serial Number: PF2B0NHX
                                  MTM: 81Y600AHMB
                                  File after reading BIOS: https://limewire.com/d/nowLD#y3Sun8lhgX
                                  attach bios , not post link

                                    Comment

                                    • LBTT1121
                                      Badcaps Legend
                                      • Nov 2024
                                      • 1614
                                      • Việt Nam
                                      #10
                                      Originally posted by maanee11
                                      Hello Everyone,

                                      I have extracted the BIOS bin file via CH341A programmer. But i dont have any display on the Laptop and it just stopped working /providing even HDMI output.

                                      I would like to reflash the BIOS. Please provide a BIOS flash bin file if you have it.

                                      Here is the information:

                                      Lenovo Legion 5 15IMH05H
                                      S/N: PF2B0NHX
                                      MTM: 81Y600AHMB

                                      I am attaching the current BIOS file that i read.

                                      With Regards
                                      attach bios, not post link

                                        Comment

                                        • maanee11
                                          Member
                                          • May 2022
                                          • 13
                                          • Belgium
                                          #11
                                          ok. See the Bios attached.
                                          Attached Files

                                          Premium supporters get full download access and other benefits.

                                            Comment

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