Dell Latitude 3420 Bios Password unlock

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  • Kesavan
    Senior Member
    • Aug 2016
    • 194
    • India

    #21
    Re: Dell latitude 3420 bios unlock 32mb

    Originally posted by lapfix
    Try and give feedback
    this file also not worked for me

    Comment

    • hardware1
      Badcaps Legend
      • Sep 2021
      • 2897
      • N/A

      #22
      Re: Dell latitude 3420 bios unlock 32mb

      Originally posted by Kesavan
      this file also not worked for me
      Try to program the chip with your old file and see if the device works with password or it's not work.
      ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
      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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      Comment

      • Kesavan
        Senior Member
        • Aug 2016
        • 194
        • India

        #23
        Re: Dell latitude 3420 bios unlock 32mb

        Originally posted by hardware1
        Try to program the chip with your old file and see if the device works with password or it's not work.
        its working with old BIOS

        Comment

        • rxmvnld09
          New Member
          • Jan 2023
          • 7
          • México

          #24
          Bios unlock 8FC8 Dell 3420

          Hi everyone, would someone help me unlocking this? I've read the guide and https://bios-pw.org doesn't throw any password.

          Model: Dell Latitude 3420 Cyborg-L14 213105-2

          BIOS chip: Winbond 25R256JVEN

          Service tag: 8QC8SG3
          Attached Files
          Last edited by rxmvnld09; 01-31-2023, 05:01 PM. Reason: Added more details

          Comment

          • hardware1
            Badcaps Legend
            • Sep 2021
            • 2897
            • N/A

            #25
            Re: Bios unlock 8FC8 Dell 3420

            Originally posted by rxmvnld09
            Hi everyone, would someone help me unlocking this? I've read the guide and https://bios-pw.org doesn't throw any password.

            Model: Dell Latitude 3420 Cyborg-L14 213105-2

            BIOS chip: Winbond 25R256JVEN

            Service tag: 8QC8SG3
            Here's your Unlocked file, hope it works fine.
            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.
            ----------------------------------------------------------------------------------------------------------------------------------------------------------------------

            Comment

            • rxmvnld09
              New Member
              • Jan 2023
              • 7
              • México

              #26
              Re: Bios unlock 8FC8 Dell 3420

              Originally posted by hardware1
              Here's your Unlocked file, hope it works fine.
              Thank you so much! Yesterday I was soldering the chip on a PCB to stop using the clamp and I jus fucked up a cuple of pads 😥 already ordered 2 pieces on aliexpress so I'll try it when they arrive

              Comment

              • abuge
                Senior Member
                • Oct 2022
                • 69
                • USA

                #27
                Re: Dell Latitude 3420 Bios Password unlock

                hello any friend can unlock my dell 3420 bios password 8fc8
                Attached Files

                Comment

                • farouk_1994
                  Badcaps Veteran
                  • Mar 2021
                  • 385
                  • algeria

                  #28
                  Re: Dell Latitude 3420 Bios Password unlock

                  Originally posted by abuge
                  hello any friend can unlock my dell 3420 bios password 8fc8
                  Try than replay
                  Attached Files

                  Comment

                  • bushmann
                    Senior Member
                    • Feb 2014
                    • 147
                    • Slovakia

                    #29
                    Re: Dell Latitude 3420 Bios Password unlock

                    Hi all.

                    Please can you help me with unlock BIOS admin password.

                    Thanks
                    Attached Files

                    Comment

                    • Vesko356
                      VIP Moderator
                      • Aug 2018
                      • 4386
                      • Bulgaria 🇧🇬

                      #30
                      Re: Dell Latitude 3420 Bios Password unlock

                      Originally posted by bushmann
                      Hi all.

                      Please can you help me with unlock BIOS admin password.

                      Thanks
                      >
                      Attached Files
                      ----------------------------------------------------------------------------------------------------------------------------------------------------------
                      All donations to Badcaps are welcome.
                      Become a Badcaps supporter
                      >>>>> click on this link to donate <<<<<
                      Thanks to all supporters.
                      ----------------------------------------------------------------------------------------------------------------------------------------------------------
                      Doctrina est fructus dulcis, radicis amarae.
                      .

                      Comment

                      • bushmann
                        Senior Member
                        • Feb 2014
                        • 147
                        • Slovakia

                        #31
                        Re: Dell Latitude 3420 Bios Password unlock

                        All works fine.

                        The donation has been sent.

                        Comment

                        • jamesp
                          Senior Member
                          • Mar 2017
                          • 55
                          • philippines

                          #32
                          Re: Dell Latitude 3420 Bios Password unlock

                          pls. help, i need to unlock the bios with admin password, service tag is G5ZQ1B3-8FC8
                          im using ch341a programmer
                          thanks
                          Attached Files

                          Comment

                          • aldopc
                            Badcaps Veteran
                            • Jul 2017
                            • 464
                            • Chilito

                            #33
                            Re: Dell Latitude 3420 Bios Password unlock

                            Originally posted by jamesp
                            pls. help, i need to unlock the bios with admin password, service tag is G5ZQ1B3-8FC8
                            im using ch341a programmer
                            thanks
                            Unlocked
                            Attached Files

                            Comment

                            • jamesp
                              Senior Member
                              • Mar 2017
                              • 55
                              • philippines

                              #34
                              Re: Dell Latitude 3420 Bios Password unlock

                              thanks, i will try now. i will update here once done

                              Comment

                              • jamesp
                                Senior Member
                                • Mar 2017
                                • 55
                                • philippines

                                #35
                                Re: Dell Latitude 3420 Bios Password unlock

                                @ aldopc ...it works...thank you very much!

                                now last thing, besides putting your service tag, what else should i set?

                                Comment

                                • jamesp
                                  Senior Member
                                  • Mar 2017
                                  • 55
                                  • philippines

                                  #36
                                  Re: Dell Latitude 3420 Bios Password unlock

                                  i have resoldered the bios chip, admin password now unlock, but i cant disable absolute because of computrace.
                                  in post 32 is my original bin file.

                                  pls. help. TIA

                                  STAG ...G5ZQ1B3-8FC8

                                  Comment

                                  • lapfix
                                    Badcaps Legend
                                    • Mar 2020
                                    • 2581
                                    • my workshop

                                    #37
                                    Re: Dell Latitude 3420 Bios Password unlock

                                    Originally posted by jamesp
                                    i have resoldered the bios chip, admin password now unlock, but i cant disable absolute because of computrace.
                                    in post 32 is my original bin file.

                                    pls. help. TIA

                                    STAG ...G5ZQ1B3-8FC8

                                    Latitude 3420
                                    Numéro de série: G5ZQ1B3
                                    Attached Files

                                    Comment

                                    • jamesp
                                      Senior Member
                                      • Mar 2017
                                      • 55
                                      • philippines

                                      #38
                                      Re: Dell Latitude 3420 Bios Password unlock

                                      @lapfix, sir, is there an option besides desoldering the chip and have it reflash by programmer? if none, then i have to do it all again byflashing with your new uploaded bin file for my bios chip.

                                      Comment

                                      • lapfix
                                        Badcaps Legend
                                        • Mar 2020
                                        • 2581
                                        • my workshop

                                        #39
                                        Re: Dell Latitude 3420 Bios Password unlock

                                        Originally posted by jamesp
                                        @lapfix, sir, is there an option besides desoldering the chip and have it reflash by programmer? if none, then i have to do it all again byflashing with your new uploaded bin file for my bios chip.
                                        This is the only way

                                        Comment

                                        • jamesp
                                          Senior Member
                                          • Mar 2017
                                          • 55
                                          • philippines

                                          #40
                                          Re: Dell Latitude 3420 Bios Password unlock

                                          Originally posted by lapfix
                                          This is the only way
                                          i tried bin file that you unlocked but asprogrammer is freezing/hang-up.
                                          isolated the problem by trying the original bin file and the password unlock only bin file with no problem.

                                          Comment

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