Extract bios password from EliteBook 840 G8 Bios dump, possible?

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  • skylinekiller
    New Member
    • Mar 2024
    • 3
    • United States

    #601
    Originally posted by basalisco

    hi, not only do you need a programmer, but the most important part is the disassembly of the PC and the IC that contains the BIOS inside; perhaps you should try to read up and do a better job of understanding what it means.
    I have the laptop disassembled and my questioned had asked if there is a programmer out there where I wouldn't have to remove the chip..

    Comment

    • basalisco
      Member
      • Mar 2024
      • 17
      • Italia

      #602
      Originally posted by skylinekiller

      I have the laptop disassembled and my questioned had asked if there is a programmer out there where I wouldn't have to remove the chip..
      considering the socket type and the operation to be performed, I don't think there are many alternatives, but maybe someone else with more experience could give you advice for what you asked

      Comment

      • k3k5
        New Member
        • Mar 2024
        • 6
        • Germany

        #603
        Originally posted by skylinekiller

        I have the laptop disassembled and my questioned had asked if there is a programmer out there where I wouldn't have to remove the chip..


        I created an adapter with a 3D printer, probe pogo pin, hot glue and jumper wire.
        Everything worked and now that I have found all the information (feature byte, build ID and factory host based MAC address).

        I installed the firmware from the HP driver page.​​

        Comment

        • basalisco
          Member
          • Mar 2024
          • 17
          • Italia

          #604
          Originally posted by k3k5



          I created an adapter with a 3D printer, probe pogo pin, hot glue and jumper wire.
          Everything worked and now that I have found all the information (feature byte, build ID and factory host based MAC address).

          I installed the firmware from the HP driver page.​​
          I'm interested, can I share the stl file?I'm interested, I was thinking about it too, can you share the stl file?

          Comment

          • k3k5
            New Member
            • Mar 2024
            • 6
            • Germany

            #605
            Originally posted by basalisco

            I'm interested, can I share the stl file?I'm interested, I was thinking about it too, can you share the stl file?

            This is a prototype and was only tested on my mainboard.

            [MOD EDIT] External link removed,added attachment to post

            To flash, I used the official file "T76_01160000.bin" from HP's driver page.
            https://ftp.hp.com/pub/softpaq/sp151...0/sp151275.exe

            The Serial Number, Product Number, build_id and Feature Byte can be found on the inside of the cover.
            The CT Number and MAC Address can be found under the memory module.
            Attached Files

            Comment

            • basalisco
              Member
              • Mar 2024
              • 17
              • Italia

              #606
              Originally posted by k3k5


              This is a prototype and was only tested on my mainboard.

              [MOD EDIT] External link removed,added attachment to post

              To flash, I used the official file "T76_01160000.bin" from HP's driver page.
              https://ftp.hp.com/pub/softpaq/sp151...0/sp151275.exe

              The Serial Number, Product Number, build_id and Feature Byte can be found on the inside of the cover.
              The CT Number and MAC Address can be found under the memory module.
              this is the adapter that I designed, your case could be an excellent idea for containing it.

              In EasyEDA open source hardware lab, open source square pools all kinds of electrical design engineerings together to realize resource sharing easily.

              Comment

              • nikola07
                Member
                • Sep 2018
                • 36
                • Ukraina

                #607
                Good afternoon, help me unlock the bios.
                elitebook 840 g8/
                sn 5CG34105CD
                Attached Files

                Comment

                • nikola07
                  Member
                  • Sep 2018
                  • 36
                  • Ukraina

                  #608
                  help me with the file EC it is damaged
                  sn 5CG34105CD
                  Attached Files

                  Comment

                  • Orgun
                    Member
                    • Mar 2024
                    • 12
                    • Brasil

                    #609
                    Hello friends.
                    I have a problem with my hp 840 G8
                    After updating the bios it didn't start, it just kept flashing the side light. I went to check the main dump behind the card and it was corrupted when reading. How is this possible? Is it possible to recover the main dump? help me please?


                    HP EliteBook 840 G8
                    SN: BRJ146RKMZ
                    ID:4Y1Y0EC#AK4
                    CT: BKFNA035WF638B
                    IEC P/N : 6037B0161911
                    MAINBOARD: CORVETE - 6050A3217501 - MB - A01 (A1) (1086) L2​
                    Attached Files

                    Comment

                    • hoaca388
                      Badcaps Legend
                      • Jan 2022
                      • 11106
                      • Viet Nam

                      #610
                      Originally posted by Orgun
                      Hello friends.
                      I have a problem with my hp 840 G8
                      After updating the bios it didn't start, it just kept flashing the side light. I went to check the main dump behind the card and it was corrupted when reading. How is this possible? Is it possible to recover the main dump? help me please?


                      HP EliteBook 840 G8
                      SN: BRJ146RKMZ
                      ID:4Y1Y0EC#AK4
                      CT: BKFNA035WF638B
                      IEC P/N : 6037B0161911
                      MAINBOARD: CORVETE - 6050A3217501 - MB - A01 (A1) (1086) L2​
                      Unlocked
                      Attached Files


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

                      Comment

                      • Orgun
                        Member
                        • Mar 2024
                        • 12
                        • Brasil

                        #611
                        Originally posted by hoaca388

                        Unlocked

                        thankyou for support

                        Is this to be inserted into the second eprom or both? Sorry I don't have that much knowledge. I noticed that my programmer, after injecting the bios, gives an error when doing the check at the end.

                        Comment

                        • Muhammad Faizan
                          Member
                          • Mar 2022
                          • 32
                          • 000

                          #612
                          fix this error plz.
                          Attached Files

                          Comment


                          • SMDFlea
                            SMDFlea commented
                            Editing a comment
                            Read the rules,post the laptop serial number
                        • Muhammad Faizan
                          Member
                          • Mar 2022
                          • 32
                          • 000

                          #613
                          SERIAL NUMBER
                          Attached Files

                          Comment

                          • rex98
                            Badcaps Legend
                            • Feb 2023
                            • 1234
                            • Mandaue CEBU, Philippines

                            #614
                            Originally posted by Muhammad Faizan
                            fix this error plz.
                            only flash this main do not touch the EC.
                            first boot press f10 reset bios to factory defaults and exit, 2nd boot reset security settings to defaults.
                            you can permanently disable absolute in BCU. Use BCU to fill these DMI info:

                            Serial Number: 5CG211478Z
                            Product #/SKU: 3K0M1UC#UUF
                            CT Number: PQSNL00WBGE77Z
                            Description: HP EliteBook 840 G8 Notebook
                            BuildID: 21WWCVET601#SUUF#DUUF
                            Feature Byte: 3X476J6S6b7B7H7M7Q7W7m7saBaEapaqauawbUbhcAdUdpdqfPguhKhkjhk8mEmwn7nVngpD.4g
                            MAC Address : 60:6D:3C:CB:E8:AD​
                            Attached Files

                            Comment

                            • Edgars UK
                              Member
                              • Jul 2023
                              • 23
                              • UK

                              #615
                              Hi everyone.
                              Please help remove password - clean my laptop bios.
                              Main and EC dumps are attached files.
                              Thanks in advance.
                              M/B CORVETTE-6050A3217501-MB-A01​
                              Attached Files

                              Comment

                              • hoaca388
                                Badcaps Legend
                                • Jan 2022
                                • 11106
                                • Viet Nam

                                #616
                                Originally posted by Edgars UK
                                Hi everyone.
                                Please help remove password - clean my laptop bios.
                                Main and EC dumps are attached files.
                                Thanks in advance.
                                M/B CORVETTE-6050A3217501-MB-A01​
                                You posted a missing serial number in the article.


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

                                Comment

                                • SMDFlea
                                  Super Moderator
                                  • Jan 2018
                                  • 20272
                                  • UK

                                  #617
                                  Originally posted by Edgars UK
                                  Hi everyone.
                                  Please help remove password - clean my laptop bios.
                                  Main and EC dumps are attached files.
                                  Thanks in advance.
                                  M/B CORVETTE-6050A3217501-MB-A01​
                                  Thread merged. Post the serial number -> https://www.badcaps.net/forum/troubl...before-posting
                                  All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                                  Comment

                                  • Edgars UK
                                    Member
                                    • Jul 2023
                                    • 23
                                    • UK

                                    #618
                                    Originally posted by Edgars UK
                                    Hi everyone.
                                    Please help remove password - clean my laptop bios.
                                    Main and EC dumps are attached files.
                                    Thanks in advance.
                                    M/B CORVETTE-6050A3217501-MB-A01
                                    SN#5CG1468T1M
                                    Thanks for the warning - I understood and will write down the serial number from now on.

                                    Comment

                                    • minhdigital
                                      Badcaps Veteran
                                      • Nov 2022
                                      • 717
                                      • Vietnam

                                      #619
                                      Originally posted by Edgars UK

                                      SN#5CG1468T1M
                                      Thanks for the warning - I understood and will write down the serial number from now on.
                                      Send to you
                                      Attached Files

                                      Comment

                                      • aldopc
                                        Badcaps Veteran
                                        • Jul 2017
                                        • 464
                                        • Chilito

                                        #620
                                        Hellp me elitebook 840 g8, Hello, can someone help me rebuild the main bios, I have received this device with another base case, from an elitebook 845 g8, for the same reason I do not have the original serial number, I only have the dump of the ec chip, the board has the corvette code 6050A3217501-MB- A01 the main bios comes empty....
                                        Attached Files

                                        Comment

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