Dell Latitude 5420 Bios Password 8FC8

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  • tktrom
    Senior Member
    • Jul 2022
    • 80
    • Bolivia
    #61
    Re: Dell Latitude 5420 Bios Password 8FC8

    good afternoon, still continue with computrace
    Thank you
    Attached Files

    if you find these attachements useful please consider making a small donation to the site

      Comment

      • hoaca388
        Badcaps
        • Jan 2022
        • 12421
        • Socialist Republic of Vietnam
        #62
        Re: Dell Latitude 5420 Bios Password 8FC8

        Originally posted by tktrom
        good afternoon, still continue with computrace
        Thank you
        Here. In the first boot , you have to goin to bios setting for disable all the security options.
        Last edited by SMDFlea; 04-10-2023, 11:15 AM.
        ↵
        Any donations to badcaps are welcome, click this link to donate . Thanks to all the supporters
        ​https://www.badcaps.net/donate

          Comment

          • jblow2210
            New Member
            • Oct 2022
            • 8
            • United States
            #63
            Re: Dell Latitude 5420 Bios Password 8FC8

            Hello All,

            I'm pretty much a newbie at doing this but would like to learn the steps needed to edit the BIOS from a system board.

            I need help to remove the admin password from the BIOS on my Dell Latitude 5420. In researching this site, it appears I need to first get the bios file. The original SSD is missing from the laptop but I have replaced it with a new one so no OS to work from.

            Motherboard info:
            GDF40 LA-K491P
            Rev: 3.0(A02)
            2021-04-28

            Copyright 2020
            Rev: A02
            PWB:67X1G

            In searching through this forum, I believe I have identified the BIOS chip on the board. I found it located above DIMM Slot B, next to the processor (label on the system board is UC2 JUC2). The info on the chip is:

            XMC
            25RH256CXIQ
            PPE46700 01
            2121U

            THe BIOS is an 8FC8.

            I don't have a programmer to read the chip so I will need to get one. My first question, does anyone have any recommendations as to the best programmer as well as software package to pull the code off the bios chip?

            Again, trying to learn the steps to do this, I have a few questions:

            When pulling the BIN from the BIOS, the system board is disconnected from all power?
            I can upload the BIN file to a thread on this forum and ask a kind soul to help remove the PW but I'm willing to give it a shot if someone could point me to how to do that.

            I'm attaching some photos of the board and what I believe is the bios chip locatation as reference.

            Any guidance to help me through this would be greatly appreciated.

            Thanks
            Attached Files

            if you find these attachements useful please consider making a small donation to the site

              Comment

              • hoaca388
                Badcaps
                • Jan 2022
                • 12421
                • Socialist Republic of Vietnam
                #64
                Re: Dell Latitude 5420 Bios Password 8FC8

                I'm using Flytech SP20P and it recognizes this chip well.
                https://www.sflytech.com/English/Pro...986173950.html

                and this tool : https://item.taobao.com/item.htm?spm...0602261764&mt=
                Attached Files

                if you find these attachements useful please consider making a small donation to the site

                Last edited by hoaca388; 11-17-2022, 09:07 AM.
                ↵
                Any donations to badcaps are welcome, click this link to donate . Thanks to all the supporters
                ​https://www.badcaps.net/donate

                  Comment

                  • tktrom
                    Senior Member
                    • Jul 2022
                    • 80
                    • Bolivia
                    #65
                    Re: Dell Latitude 5420 Bios Password 8FC8

                    Thank you very much, perfect job, you are a teacher

                      Comment

                      • aldopc
                        Badcaps Veteran
                        • Jul 2017
                        • 477
                        • Chilito
                        #66
                        Re: Dell Latitude 5420 Bios Password 8FC8

                        Hi friends, unlock please latitude 5420 computrace please

                          Comment

                          • aldopc
                            Badcaps Veteran
                            • Jul 2017
                            • 477
                            • Chilito
                            #67
                            Re: Dell Latitude 5420 Bios Password 8FC8

                            Originally posted by aldopc
                            Hi friends, unlock please latitude 5420 computrace please
                            Helpme please
                            Last edited by SMDFlea; 03-19-2023, 11:20 AM.

                              Comment

                              • tktrom
                                Senior Member
                                • Jul 2022
                                • 80
                                • Bolivia
                                #68
                                Re: Dell Latitude 5420 Bios Password 8FC8

                                Good afternoon, could you please help me unlock (admin password, computrace) this bios is a Dell Latitude 5420
                                Thank you
                                Last edited by SMDFlea; 03-19-2023, 11:20 AM.

                                  Comment

                                  • hardware1
                                    Badcaps Legend
                                    • Sep 2021
                                    • 2949
                                    • N/A
                                    #69
                                    Re: Dell Latitude 5420 Bios Password 8FC8

                                    Originally posted by tktrom
                                    Good afternoon, could you please help me unlock (admin password, computrace) this bios is a Dell Latitude 5420
                                    Thank you
                                    Try this file and give me the results.
                                    Last edited by SMDFlea; 04-10-2023, 11:15 AM.
                                    ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                    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

                                      • aldopc
                                        Badcaps Veteran
                                        • Jul 2017
                                        • 477
                                        • Chilito
                                        #70
                                        Re: Dell Latitude 5420 Bios Password 8FC8

                                        Originally posted by aldopc
                                        Helpme please
                                        Solved

                                          Comment

                                          • tktrom
                                            Senior Member
                                            • Jul 2022
                                            • 80
                                            • Bolivia
                                            #71
                                            Re: Dell Latitude 5420 Bios Password 8FC8

                                            Originally posted by hardware1
                                            Try this file and give me the results.
                                            @hardware1 , works perfect
                                            Thank you

                                              Comment

                                              • sdm.tech
                                                New Member
                                                • Aug 2021
                                                • 1
                                                • Romania
                                                #72
                                                Re: Dell Latitude 5420 Bios Password 8FC8

                                                hello , dell 5420 password bios. can you help me?

                                                  Comment

                                                  • Shanagains9211
                                                    Member
                                                    • May 2022
                                                    • 20
                                                    • United states
                                                    #73
                                                    Re: Dell Latitude 5420 Bios Password 8FC8

                                                    bios is locked on dell 5420. not sure if this is the right bios file. if someone could let me know and unlock would greatly appreciate it.
                                                    Last edited by SMDFlea; 03-19-2023, 11:20 AM.

                                                      Comment

                                                      • hardware1
                                                        Badcaps Legend
                                                        • Sep 2021
                                                        • 2949
                                                        • N/A
                                                        #74
                                                        Re: Dell Latitude 5420 Bios Password 8FC8

                                                        Originally posted by Shanagains9211
                                                        bios is locked on dell 5420. not sure if this is the right bios file. if someone could let me know and unlock would greatly appreciate it.
                                                        Wrong chip, your chip size must be 64Mbit, 128Mbit or 256Mbit. not only 8Mbit!
                                                        Look for another chip.
                                                        ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                        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

                                                          • macsoftware
                                                            Member
                                                            • Jul 2016
                                                            • 25
                                                            • MOROCO
                                                            #75
                                                            Re: Dell Latitude 5420 Bios Password 8FC8

                                                            Hello,
                                                            Can someone help to unlock this bios for dell 5420?
                                                            Thank you
                                                            Last edited by SMDFlea; 03-19-2023, 11:20 AM.

                                                              Comment

                                                              • hardware1
                                                                Badcaps Legend
                                                                • Sep 2021
                                                                • 2949
                                                                • N/A
                                                                #76
                                                                Re: Dell Latitude 5420 Bios Password 8FC8

                                                                Originally posted by macsoftware
                                                                Hello,
                                                                Can someone help to unlock this bios for dell 5420?
                                                                Thank you
                                                                Here's your Unlocked file.
                                                                Last edited by SMDFlea; 04-10-2023, 11:15 AM.
                                                                ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                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

                                                                  • macsoftware
                                                                    Member
                                                                    • Jul 2016
                                                                    • 25
                                                                    • MOROCO
                                                                    #77
                                                                    Re: Dell Latitude 5420 Bios Password 8FC8

                                                                    thank you

                                                                      Comment

                                                                      • nabilgo
                                                                        Badcaps Veteran
                                                                        • May 2016
                                                                        • 304
                                                                        • L.A
                                                                        #78
                                                                        locked bios dell 5420

                                                                        can anyone unlock it for me

                                                                        dell 5420
                                                                        Last edited by SMDFlea; 03-19-2023, 11:20 AM.

                                                                          Comment

                                                                          • hardware1
                                                                            Badcaps Legend
                                                                            • Sep 2021
                                                                            • 2949
                                                                            • N/A
                                                                            #79
                                                                            Re: locked bios dell 5420

                                                                            Originally posted by nabilgo
                                                                            can anyone unlock it for me

                                                                            dell 5420
                                                                            Here's your Unlocked file, hope it works fine.
                                                                            Last edited by SMDFlea; 04-10-2023, 11:15 AM.
                                                                            ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                            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

                                                                              • nabilgo
                                                                                Badcaps Veteran
                                                                                • May 2016
                                                                                • 304
                                                                                • L.A
                                                                                #80
                                                                                Re: locked bios dell 5420

                                                                                Originally posted by hardware1
                                                                                Here's your Unlocked file, hope it works fine.
                                                                                working perfect thank you so much

                                                                                  Comment

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