Lenovo x390 bios 32mb bios password unlock

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  • medinfo
    Badcaps Veteran
    • May 2016
    • 326
    • Morocco

    #1

    Lenovo x390 bios 32mb bios password unlock

    Already read MEC chip erazed and folowed all steps but no succed still password !!!
  • Maxpower3
    Bad Veteran
    • Feb 2018
    • 1153
    • France

    #2
    Originally posted by medinfo
    Already read MEC chip erazed and folowed all steps but no succed still password !!!
    post dump

    Mec1663 Dmi start from 0x00
    Pwd 0x300 - 0x34F replace with FF

    search for this shape
    Click image for larger version  Name:	ec pwd.png Views:	0 Size:	310.0 KB ID:	3237274
    Last edited by Maxpower3; 09-21-2024, 02:31 PM.

    Comment

    • medinfo
      Badcaps Veteran
      • May 2016
      • 326
      • Morocco

      #3
      Originally posted by Maxpower3

      post dump

      Mec1663 Dmi start from 0x00
      Pwd 0x300 - 0x34F replace with FF

      search for this shape
      Click image for larger version Name:	ec pwd.png Views:	0 Size:	310.0 KB ID:	3237274
      this is the dump, but the steps is to read and erase the MEC wait same times and re write the dump.
      Attached Files

      Comment

      • medinfo
        Badcaps Veteran
        • May 2016
        • 326
        • Morocco

        #4
        Originally posted by Maxpower3

        post dump

        Mec1663 Dmi start from 0x00
        Pwd 0x300 - 0x34F replace with FF

        search for this shape
        Click image for larger version Name:	ec pwd.png Views:	0 Size:	310.0 KB ID:	3237274
        and 2kb eeprom replaced 0x300 - 0x34F with FF, but the laptop start and give (Bad SVP DATA AND SHUTDOWN)
        Attached Files

        Comment

        • Maxpower3
          Bad Veteran
          • Feb 2018
          • 1153
          • France

          #5
          try with clean bios if bad data
          just need replace eeprom file

          I guess the serial number is PC1FM5HH​
          Attached Files
          Last edited by Maxpower3; 09-23-2024, 12:29 PM.

          Comment

          • medinfo
            Badcaps Veteran
            • May 2016
            • 326
            • Morocco

            #6
            Originally posted by Maxpower3
            try with clean bios if bad data
            just need replace eeprom file

            I guess the serial number is PC1FM5HH​
            thanks you bro its working

            Comment

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