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Dell Latitude 5520 Bios Password unlock

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    Re: Dell Latitude 5520 Bios Password unlock

    pls remove bios password
    thk

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      Re: Dell Latitude 5520 Bios Password unlock

      Originally posted by lequangthanhit View Post
      pls remove bios password
      thk
      There is no file attached

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        Re: Dell Latitude 5520 Bios Password unlock

        Originally posted by hoaca388 View Post
        Check the chip soldering process, flash bios. Unlock operation is correct.
        I check everything and still have problem to start. Blinking 3 amber 6 white light and turn off.

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          Re: Dell Latitude 5520 Bios Password unlock

          Originally posted by HarryH View Post
          I check everything and still have problem to start. Blinking 3 amber 6 white light and turn off.
          Are you using a clip? Do not rely on it. If not, your backup should always work, try flashing it back. If same symptoms, then check for moved or missing components nearby. Check voltages, start at leg/pad #8 of BIOS chip, should be 1.8v or very close for new laptops. Do not press on bios chip when soldering, it might "squirt" solder to nearby pads if it is too much. I reach the same identical file as hoaca388 when unlocking.

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            Re: Dell Latitude 5520 Bios Password unlock

            Originally posted by Mazorca View Post
            Are you using a clip? Do not rely on it. If not, your backup should always work, try flashing it back. If same symptoms, then check for moved or missing components nearby. Check voltages, start at leg/pad #8 of BIOS chip, should be 1.8v or very close for new laptops. Do not press on bios chip when soldering, it might "squirt" solder to nearby pads if it is too much. I reach the same identical file as hoaca388 when unlocking.
            chip has 3.3v, is soldered good, I dont use clip, my file was from mrwab

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              Re: Dell Latitude 5520 Bios Password unlock

              Originally posted by HarryH View Post
              chip has 3.3v, is soldered good, I dont use clip, my file was from mrwab
              I checked it too, procedure is correct, I reach an identical file. Desolder and verify that the flashing was good? Try your backup, it should work always.

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                Re: Dell Latitude 5520 Bios Password unlock

                Hi,

                @Mazorca Please could you help unlock this BIOS Admin password on a Dell Vostro 3590 (E7A8) please? I would be very grateful..

                Thanks in advance
                Last edited by hpboy; 10-01-2022, 08:06 AM.

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                  Re: Dell Latitude 5520 Bios Password unlock

                  Originally posted by hpboy View Post
                  Hi,

                  @Mazorca Please could you help unlock this BIOS Admin password on a Dell Vostro 3590 (E7A8) please? I would be very grateful..

                  Thanks in advance
                  https://beta.bios-pw.org/


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                    Re: Dell Latitude 5520 Bios Password unlock

                    Have tried bios-pw.org and the codes do not work
                    Last edited by hpboy; 10-01-2022, 07:38 AM.

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                      Re: Dell Latitude 5520 Bios Password unlock

                      Originally posted by hoaca388 View Post
                      Thanks hoaca388 - tried bios-pw.org and the codes do not work. As this is E7A8, I believe bios-pw.org will not work on the admin password lock
                      Last edited by hpboy; 10-01-2022, 07:37 AM.

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                        Re: Dell Latitude 5520 Bios Password unlock

                        Originally posted by hpboy View Post
                        Thanks hoaca388 - tried bios-pw.org and the codes do not work. As this is E7A8, I believe bios-pw.org will not work on the admin password lock
                        Note that the keyboard to enter the password must be Qwerty US layout (can use an external keyboard via USB 2.0 port). For uppercase letters, use the Capslock key.


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                        All donations to Badcaps are welcome.
                        Become a Badcaps supporter
                        >>>>> click on this link to donate <<<<<
                        Thanks to all supporters.
                        ----------------------------------------------------------------------------------------------------------------------------------------------------------​

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                          Re: Dell Latitude 5520 Bios Password unlock

                          Originally posted by hoaca388 View Post
                          Note that the keyboard to enter the password must be Qwerty US layout (can use an external keyboard via USB 2.0 port). For uppercase letters, use the Capslock key.
                          I stand corrected Sir... Just tried with an external US keyboard and code worked perfectly. Thank you for your help, much appreciated.

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                            Re: Dell Latitude 5520 Bios Password unlock

                            hi the team, Please unlock 5520 bios
                            Last edited by SMDFlea; 03-19-2023, 12:07 PM.

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                              Re: Dell Latitude 5520 Bios Password unlock

                              Originally posted by dimah77 View Post
                              hi the team, Please unlock 5520 bios
                              UNlocked
                              Attached Files


                              ----------------------------------------------------------------------------------------------------------------------------------------------------------
                              All donations to Badcaps are welcome.
                              Become a Badcaps supporter
                              >>>>> click on this link to donate <<<<<
                              Thanks to all supporters.
                              ----------------------------------------------------------------------------------------------------------------------------------------------------------​

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                                Re: Dell Latitude 5520 Bios Password unlock

                                Originally posted by hoaca388 View Post
                                UNlocked
                                All my gratitude sir

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                                  Re: Dell Latitude 5520 Bios Password unlock

                                  heloo.
                                  my dell latitude 5520 have a password (master password)
                                  can you help me with password please. Dell 8fc8
                                  Thanks in advance
                                  Last edited by SMDFlea; 03-19-2023, 12:07 PM.

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                                    Re: Dell Latitude 5520 Bios Password unlock

                                    Originally posted by darckreign1984 View Post
                                    heloo.
                                    my dell latitude 5520 have a password (master password)
                                    can you help me with password please. Dell 8fc8
                                    Thanks in advance

                                    i tried diferent file patched, using me region from my bios, did not work

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                                      Re: Dell Latitude 5520 Bios Password unlock

                                      Originally posted by darckreign1984 View Post
                                      heloo.
                                      My dell latitude 5520 have a password (master password)
                                      can you help me with password please. Dell 8fc8
                                      thanks in advance
                                      feedback
                                      Attached Files

                                      Comment


                                        Re: Dell Latitude 5520 Bios Password unlock

                                        Originally posted by miansh621 View Post
                                        feedback


                                        you do the magic.
                                        your file worked.

                                        thanks

                                        Comment


                                          Re: Dell Latitude 5520 Bios Password unlock

                                          Hello I need help to unlock my laptop bios. Please I have Dell Latitude 5520 also. What should I send you ? And how to flash a file bios ?

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