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ThinkBook 15 G2 ITL bios password

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    ThinkBook 15 G2 ITL bios password

    please remove bios password or give solution how to remove
    2 eeprom is reading on archive
    Attached Files

    #2
    Re: ThinkBook 15 G2 ITL bios password

    Weired, I created a new thread with the same title as this one and it kinda joined them. I'll recreate another
    Last edited by astaldo; 04-12-2022, 08:02 AM.

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      #3
      ThinkBook 15 G2 ITL bios password help needed

      Hi everyone!
      I need your help with resetting a bios password for this laptop.
      (BTW I had to recreated this thread as it was joined with another with same title)

      I already tried some stuff but I cannot get any further now.
      Laptop Model is a Lenovo ThinkBook 15 G2 ITL
      Interesting ICs on mainboard:
      Winbond 25Q80DVWIG 2134
      24256e S15038

      Details:
      I started trying the stupid things first as I didn't tried reseting a password since several years (took CMOS and battery battery off and such)

      I learned quickly that the new laptops store security things in an extra IC.
      From the official firmware flash I saved the temporary extracted files from the manufacturer (Insyde, H2OFFT) and modded the platform.ini and also reflashed the bios but the password is still there.

      Did a backup of the bios with UDOO so I could learn a little more with UEFITool about the bios and NVRAM.
      As this didnt brought me any further I got myself a cheap EEPROM programmer(CH341A Pro) and tried to read/write directly from the ICs. That worked but even after erasing/rewriting the password was still there.

      Any help appreciated.
      I can upload backups and content of the ICs as needed
      Attached Files

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        #4
        Re: ThinkBook 15 G2 ITL bios password help needed

        Winbond 25Q80DVSIG 2134 is not a bios chip. Its size is only 1MB. you need to find chip with symbol 64 , 128 or 256... for example 25Q64... 25Q128...25Q256..


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          #5
          Re: ThinkBook 15 G2 ITL bios password

          Originally posted by astaldo View Post
          Weired, I created a new thread with the same title as this one and it kinda joined them. I'll recreate another
          Your thread was merged with another one. And merged with the same thread again
          All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

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            #6
            Re: ThinkBook 15 G2 ITL bios password help needed

            Originally posted by astaldo View Post
            I can upload backups and content of the ICs as needed
            Yes post your backups .
            All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

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              #7
              Lenovo ThinkBook 15 G2 ITL BIOS PASSWORD

              Hello everyone please i need help to unlock bios password for
              LENOVO ThinkBook 15 G2 ITL .it's 11th generation
              MAINBOARD : FLV35 LA-K052P REV:1.0
              This is my backup dump 16MB + 8MB
              Attached Files

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                #8
                Re: Lenovo ThinkBook 15 G2 ITL BIOS PASSWORD

                Any help ????

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                  #9
                  Re: Lenovo ThinkBook 15 G2 ITL BIOS PASSWORD

                  I don't know if this model keep the password in the bios chip or in the EC (SIO Chip).
                  anyway i think your backup files are corrupted, because the hex is no good. try to backup again.
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                    #10
                    Re: ThinkBook 15 G2 ITL bios password help needed

                    Was this fixed? Please share your report.

                    Thanks

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                      #11
                      Re: ThinkBook 15 G2 ITL bios password

                      i have same issue, if solved please share your solutions please

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                        #12
                        Re: ThinkBook 15 G2 ITL bios password

                        can anyone unlock mine?

                        ThinkBook 15 G2 ITL
                        FLV35 LA-K052P REV:1.0
                        Attached Files

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                          #13
                          Re: ThinkBook 15 G2 ITL bios password

                          password is In EC SIO not in main bios

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                            #14
                            Re: ThinkBook 15 G2 ITL bios password

                            Originally posted by bojc View Post
                            can anyone unlock mine?

                            ThinkBook 15 G2 ITL
                            FLV35 LA-K052P REV:1.0
                            write only XM25QH64A and XM25QH128A in the same time. Enjoy!
                            Thanks goes to master hardware1!
                            Attached Files
                            ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
                            Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests
                            all donations are welcome,
                            see the donate button at the bottom of the page, or
                            >>>>>
                            click on this link to donate via PayPal. <<<<<
                            Every donation made will go towards server fees and maintenance costs.
                            ----------------------------------------------------------------------------------------------------------------------------------------------------------------------

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