DELL Inspiron 5520 CMOS/BIOS Password lockout

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  • inflex
    Badcaps Veteran
    • Aug 2012
    • 545
    • Australia
    #1

    DELL Inspiron 5520 CMOS/BIOS Password lockout

    Received a machine today, service code 5K4GDS1, boots right to the delightful "Enter Current Password [ ....... ]" prompt and nothing else regardless of what boot option you're trying for (F2, F12 etc).

    Seems like someone's kids were messing around and then naturally forgot the password.
    YouTube Repair Videos - https://www.youtube.com/user/19PLD73
    FlexBV BoardView software - Linux/OSX/Windows - http://pldaniels.com/flexbv
    Tags: None
    • dspok
      Badcaps Veteran
      • Jan 2014
      • 553
      • Nepal
      #2
      Re: DELL Inspiron 5520 CMOS/BIOS Password lockout

      flashing bios may help.

        Comment

        • inflex
          Badcaps Veteran
          • Aug 2012
          • 545
          • Australia
          #3
          Re: DELL Inspiron 5520 CMOS/BIOS Password lockout

          How can I flash it if I can't even get it to boot to anything?
          YouTube Repair Videos - https://www.youtube.com/user/19PLD73
          FlexBV BoardView software - Linux/OSX/Windows - http://pldaniels.com/flexbv

            Comment

            • dspok
              Badcaps Veteran
              • Jan 2014
              • 553
              • Nepal
              #4
              Re: DELL Inspiron 5520 CMOS/BIOS Password lockout

              i mean with bios programmer you have to flash ec as well as kb bios.

              but 1st take out the cmos battery, leave it for 5-6 mins. if problem remains see if there is reset jumper pads.

                Comment

                • dspok
                  Badcaps Veteran
                  • Jan 2014
                  • 553
                  • Nepal
                  #5
                  Re: DELL Inspiron 5520 CMOS/BIOS Password lockout

                  if you have device like this, which is known as programmer.
                  http://www.ebay.com/itm/TOP-2011-USB...item337b6b8944

                    Comment

                    • inflex
                      Badcaps Veteran
                      • Aug 2012
                      • 545
                      • Australia
                      #6
                      Re: DELL Inspiron 5520 CMOS/BIOS Password lockout

                      I forced it in to 'disable' mode; I now have the following information -

                      System disable [0D10022E79EB049F]
                      Service tag [5K4GDS1]
                      YouTube Repair Videos - https://www.youtube.com/user/19PLD73
                      FlexBV BoardView software - Linux/OSX/Windows - http://pldaniels.com/flexbv

                        Comment

                        • dspok
                          Badcaps Veteran
                          • Jan 2014
                          • 553
                          • Nepal
                          #7
                          Re: DELL Inspiron 5520 CMOS/BIOS Password lockout

                          try removing battery and as above said methods.

                            Comment

                            • inflex
                              Badcaps Veteran
                              • Aug 2012
                              • 545
                              • Australia
                              #8
                              Re: DELL Inspiron 5520 CMOS/BIOS Password lockout

                              That'll be fun. Have to completely remove the mainboard out of the laptop to get to the CMOS battery ( you really have to wonder why they design these things without considering service access ).
                              YouTube Repair Videos - https://www.youtube.com/user/19PLD73
                              FlexBV BoardView software - Linux/OSX/Windows - http://pldaniels.com/flexbv

                                Comment

                                • goontron
                                  5000!
                                  • Dec 2011
                                  • 4108
                                  • US
                                  #9
                                  Re: DELL Inspiron 5520 CMOS/BIOS Password lockout

                                  Originally posted by inflex
                                  ( you really have to wonder why they design these things without considering service access ).
                                  because they want you to spend money.
                                  Things I've fixed: anything from semis to crappy Chinese $2 radios, and now an IoT Dildo....

                                  "Dude, this is Wyoming, i hopped on and sent 'er. No fucking around." -- Me

                                  Excuse me while i do something dangerous


                                  You must have a sad, sad boring life if you hate on people harmlessly enjoying life with an animal costume.

                                  Sometimes you need to break shit to fix it.... Thats why my lawnmower doesn't have a deadman switch or engine brake anymore

                                  Follow the white rabbit.

                                    Comment

                                    • cyberhack
                                      Badcaps Veteran
                                      • Feb 2013
                                      • 466
                                      • Uk
                                      #10
                                      Re: DELL Inspiron 5520 CMOS/BIOS Password lockout

                                      Input you service tag no here and see
                                      http://bios-pw.org/

                                        Comment

                                        • inflex
                                          Badcaps Veteran
                                          • Aug 2012
                                          • 545
                                          • Australia
                                          #11
                                          Re: DELL Inspiron 5520 CMOS/BIOS Password lockout

                                          Originally posted by cyberhack
                                          Input you service tag no here and see
                                          http://bios-pw.org/
                                          Unfortunately none of those succeeded.
                                          YouTube Repair Videos - https://www.youtube.com/user/19PLD73
                                          FlexBV BoardView software - Linux/OSX/Windows - http://pldaniels.com/flexbv

                                            Comment

                                            • dilip.pawar31
                                              Senior Member
                                              • Nov 2014
                                              • 59
                                              • india
                                              #12
                                              Re: DELL Inspiron 5520 CMOS/BIOS Password lockout

                                              pls change the ene kb9012qf a3

                                                Comment

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