thinkpad L14 GEN 3 with bios password

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  • volcour
    Senior Member
    • Dec 2015
    • 87
    • algiria

    #1

    thinkpad L14 GEN 3 with bios password

    Hi sir
    i have thinkpad L14 Gen 3 with bios password
    password in super I/O NPCX977
    I need a way to take backup EC (NPCX977) or another way to bypass
    SN PW-04K75W
    TYPE 21C2-S3QF01
    ​​​​​​​
  • volcour
    Senior Member
    • Dec 2015
    • 87
    • algiria

    #2
    hi sir
    @Maxpower3
    i have thinkpad L14 Gen 3 intel i5 NPCX977
    I tried your way in the video thinkpad p17
    The device does not enter in the BIOS
    Attached Files

    Comment


    • SMDFlea
      SMDFlea commented
      Editing a comment
      posts moved from EC bypass topic to the thread topic you started months ago..
  • Maxpower3
    Bad Veteran
    • Feb 2018
    • 1222
    • France

    #3
    Originally posted by volcour
    hi sir
    @Maxpower3
    i have thinkpad L14 Gen 3 intel i5 NPCX977
    I tried your way in the video thinkpad p17
    The device does not enter in the BIOS
    Give the dump file!
    serial number and others to comply with the rules​

    Comment

    • volcour
      Senior Member
      • Dec 2015
      • 87
      • algiria

      #4
      Originally posted by Maxpower3

      Give the dump file!
      serial number and others to comply with the rules
      thinkpad L14 Gen 3 with bios password
      password in super I/O NPCX977
      EC (NPCX977)
      SN PW-04K75W
      TYPE 21C2-S3QF01​
      Attached Files

      Comment

      • Maxpower3
        Bad Veteran
        • Feb 2018
        • 1222
        • France

        #5
        try
        you should also have put your file unlock to compare
        Attached Files

        Comment

        • volcour
          Senior Member
          • Dec 2015
          • 87
          • algiria

          #6
          Originally posted by volcour
          Hi sir
          i have thinkpad L14 Gen 3 with bios password
          password in super I/O NPCX977
          I need a way to take backup EC (NPCX977) or another way to bypass
          SN PW-04K75W
          TYPE 21C2-S3QF01
          Finally I read EC NPCX977 please help me
          Attached Files

          Comment

          • volcour
            Senior Member
            • Dec 2015
            • 87
            • algiria

            #7
            Originally posted by Maxpower3
            try
            you should also have put your file unlock to compare
            OK thank you

            Comment

            • volcour
              Senior Member
              • Dec 2015
              • 87
              • algiria

              #8
              Originally posted by Maxpower3
              try
              you should also have put your file unlock to compare
              same problem
              Attached Files

              Comment

              • Maxpower3
                Bad Veteran
                • Feb 2018
                • 1222
                • France

                #9
                why do I have 2 different files?
                have you reread the original?
                parts are missing since write problem .
                try mod
                you forgot something​
                Attached Files

                Comment

                • volcour
                  Senior Member
                  • Dec 2015
                  • 87
                  • algiria

                  #10
                  Originally posted by Maxpower3
                  why do I have 2 different files?
                  have you reread the original?
                  parts are missing since write problem .
                  try mod
                  you forgot something​
                  The original file was uploaded and the second one was uploaded after the problem occurred.
                  Attached Files

                  Comment

                  • Maxpower3
                    Bad Veteran
                    • Feb 2018
                    • 1222
                    • France

                    #11
                    unlock ioriginal, t"s same of l14 gen 3 unock
                    retry .
                    if not work .put back the original and look if error comes?

                    there are lots of pieces everywhere. why L14/15 are always boring​
                    Click image for larger version

Name:	9KA-GKFc.jpg
Views:	644
Size:	559.9 KB
ID:	3553701

                    Comment

                    • volcour
                      Senior Member
                      • Dec 2015
                      • 87
                      • algiria

                      #12
                      Originally posted by Maxpower3
                      unlock ioriginal, t"s same of l14 gen 3 unock
                      retry .
                      if not work .put back the original and look if error comes?

                      there are lots of pieces everywhere. why L14/15 are always boring​
                      Click image for larger version

Name:	9KA-GKFc.jpg
Views:	644
Size:	559.9 KB
ID:	3553701
                      After restoring the original file it works
                      It's confusing

                      Comment

                      • volcour
                        Senior Member
                        • Dec 2015
                        • 87
                        • algiria

                        #13

                        The problem solved after extracting EC from EXE file​
                        Attached Files

                        Comment

                        • volinakis
                          Badcaps Legend
                          • Jan 2021
                          • 2723
                          • N/A

                          #14
                          I will tell you my "adventure" with L14 gen 3 intel: I had 3 pcs, 1st I read SIO without main battery and CMOS batt and all went well, no errors, SVP removed.
                          Click image for larger version

Name:	Screen Shot 2025-03-13 at 20.05.23.png
Views:	532
Size:	53.9 KB
ID:	3592416
                          At 2nd, being lazy I just removed keyboard to connect SVOD4 (without removing battery and CMOS batt), read SIO, filled same area with 00 and surprise! password still there! I did read again SIO and compared with original backup and noticed that something similar with strings I filled with 00 is starting with adress 3FC62 but it wasn't in original backup. After I filled that section with 00 password was gone! Bottom line, must read SIO without battery and CMOS batt.

                          Click image for larger version

Name:	Screen Shot 2025-03-13 at 20.18.09.png
Views:	457
Size:	201.6 KB
ID:	3592417
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                          Comment

                          • volcour
                            Senior Member
                            • Dec 2015
                            • 87
                            • algiria

                            #15
                            Originally posted by volinakis
                            I will tell you my "adventure" with L14 gen 3 intel: I had 3 pcs, 1st I read SIO without main battery and CMOS batt and all went well, no errors, SVP removed.
                            Click image for larger version

Name:	Screen Shot 2025-03-13 at 20.05.23.png
Views:	532
Size:	53.9 KB
ID:	3592416
                            At 2nd, being lazy I just removed keyboard to connect SVOD4 (without removing battery and CMOS batt), read SIO, filled same area with 00 and surprise! password still there! I did read again SIO and compared with original backup and noticed that something similar with strings I filled with 00 is starting with adress 3FC62 but it wasn't in original backup. After I filled that section with 00 password was gone! Bottom line, must read SIO without battery and CMOS batt.

                            Click image for larger version

Name:	Screen Shot 2025-03-13 at 20.18.09.png
Views:	457
Size:	201.6 KB
ID:	3592417
                            Thank you so much for sharing this information

                            Comment

                            • gsmtim
                              Member
                              • Oct 2018
                              • 33
                              • philippines

                              #16
                              how to read NPCX977 by using svod via keyboard?

                              Comment

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