Hp elitebook 840 g5 bios password

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  • piotrekw27
    New Member
    • Aug 2023
    • 5
    • Polska

    #241
    Originally posted by hoaca388

    VVV
    hoaca388 Thank You but it still asks for the password on your file.


    Vesko356 I don't think there's an option to edit the post, so I'm adding the info here​
    HP EliteBook 840 G5

    CTNumber 6GPRH05TZBF809
    Product 2FA66AV
    Serial 5CG8509CWB
    Build Id 17WWCSBT602#SABD#DABD

    Comment

    • hoaca388
      Badcaps
      • Jan 2022
      • 11254
      • Viet Nam

      #242
      Originally posted by piotrekw27

      hoaca388 Thank You but it still asks for the password on your file.


      Vesko356 I don't think there's an option to edit the post, so I'm adding the info here​
      HP EliteBook 840 G5

      CTNumber 6GPRH05TZBF809
      Product 2FA66AV
      Serial 5CG8509CWB
      Build Id 17WWCSBT602#SABD#DABD
      Again
      Attached Files


      ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
      Mọi khoản quyên góp cho badcaps đều được hoan nghênh, hãy nhấp vào liên kết này để quyên góp. Cảm ơn tất cả những người ủng hộ----------------------------------------------------------------------------------------------------------------------------------------------------------------

      Comment

      • piotrekw27
        New Member
        • Aug 2023
        • 5
        • Polska

        #243

        Thank you very much hoaca388​ , with this file the laptop starts in "manufactured" mode (I guess that's how it should be?), after filling in the missing data in the BIOS, everything works as it should. I would like to know how to unlock the 32MB bios myself, but it's probably a secret? Thank you again for your help and best regards

        Comment

        • gctdpacov
          Member
          • Nov 2022
          • 40
          • UK

          #244
          HP Elitebook 840 G5
          Serial Number : 5CG9183NQT
          Password Remove please
          Attaching Backup Bios
          Attached Files

          Comment

          • rex98
            Badcaps Legend
            • Feb 2023
            • 1240
            • Mandaue CEBU, Philippines

            #245
            Originally posted by gctdpacov
            HP Elitebook 840 G5
            Serial Number : 5CG9183NQT
            Password Remove please
            Attaching Backup Bios
            this file is not the main bios. find the other chip 32mb and upload here.

            Comment

            • gctdpacov
              Member
              • Nov 2022
              • 40
              • UK

              #246
              Originally posted by rex98

              this file is not the main bios. find the other chip 32mb and upload here.
              attaching other chip

              Attached Files

              Comment

              • rex98
                Badcaps Legend
                • Feb 2023
                • 1240
                • Mandaue CEBU, Philippines

                #247
                Originally posted by gctdpacov
                attaching other chip

                only flash this ec. use RC unlocker in all HP 16MB ec next time.
                Attached Files

                Comment

                • vagabont78
                  New Member
                  • Jan 2017
                  • 3
                  • bulgaria

                  #248
                  Hi, i blown resistor next to 16mb bios chip. Does someone knows what value is it?

                  Comment

                  • qayyum786
                    Badcaps Legend
                    • Aug 2018
                    • 1933
                    • INDIA

                    #249
                    Originally posted by vagabont78
                    Hi, i blown resistor next to 16mb bios chip. Does someone knows what value is it?
                    If it is attach with pin 6 than its a SPI_CLK resistor
                    you can take a reverence of any schematic which has 25Q128JVPQ
                    (you can check pin 5 resistor value and place same ohm on missing resistor )
                    Last edited by qayyum786; 02-25-2024, 09:44 AM.

                    Comment

                    • vagabont78
                      New Member
                      • Jan 2017
                      • 3
                      • bulgaria

                      #250
                      Originally posted by qayyum786

                      If it is attach with pin 6 than its a SPI_CLK resistor
                      you can take a reverence of any schematic which has 25Q128JVPQ
                      (you can check pin 5 resistor value and place same ohm on missing resistor )
                      Resistor is between pins 7 and 8
                      Last edited by vagabont78; 02-25-2024, 10:09 AM.

                      Comment

                      • qayyum786
                        Badcaps Legend
                        • Aug 2018
                        • 1933
                        • INDIA

                        #251
                        Originally posted by vagabont78

                        Resistor is between pins 7 and 8
                        you may try with 10K or 3.3K
                        Last edited by qayyum786; 02-25-2024, 10:40 AM.

                        Comment

                        • ay_bulut
                          Senior Member
                          • Feb 2016
                          • 114
                          • turkey

                          #252
                          The fan spins once, the charging light flashes. can you fix the bios?

                          HP EliteBook 840 G6

                          serial : 5CG9443TMY
                          Last edited by ay_bulut; 03-01-2024, 10:24 AM.

                          Comment

                          • rex98
                            Badcaps Legend
                            • Feb 2023
                            • 1240
                            • Mandaue CEBU, Philippines

                            #253
                            Originally posted by ay_bulut
                            The fan spins once, the charging light flashes. can you fix the bios?

                            HP EliteBook 840 G6

                            serial : 5CG9443TMY
                            you posted in wrong thread this thread is for 840 G5 only.

                            Comment

                            • -=Leroy=-
                              Member
                              • Jan 2024
                              • 10
                              • Germany

                              #254
                              Removing BIOS Password please

                              HP Elitebook 840 G5
                              S/N : 5CG936B9WW

                              Attaching BIOS dump of MX25L256 Chip
                              Thank you...
                              Attached Files

                              Comment

                              • qayyum786
                                Badcaps Legend
                                • Aug 2018
                                • 1933
                                • INDIA

                                #255
                                Originally posted by -=Leroy=-
                                Removing BIOS Password please

                                HP Elitebook 840 G5
                                S/N : 5CG936B9WW

                                Attaching BIOS dump of MX25L256 Chip
                                Thank you...
                                post EC backup

                                Comment

                                • -=Leroy=-
                                  Member
                                  • Jan 2024
                                  • 10
                                  • Germany

                                  #256
                                  Originally posted by qayyum786

                                  post EC backup
                                  I found this chip on the backside of the board on U366 : ISSI IC25LP128
                                  I guess this is the EC , right?
                                  I have to unsolder the chip with my hot air station and will post the dump.

                                  Comment


                                  • Vesko356
                                    Vesko356 commented
                                    Editing a comment
                                    Yes, U366 - ISSI IC25LP128 is indeed the EC memory chip.
                                • rex98
                                  Badcaps Legend
                                  • Feb 2023
                                  • 1240
                                  • Mandaue CEBU, Philippines

                                  #257
                                  Originally posted by -=Leroy=-
                                  Removing BIOS Password please

                                  HP Elitebook 840 G5
                                  S/N : 5CG936B9WW

                                  Attaching BIOS dump of MX25L256 Chip
                                  Thank you...
                                  i don't know why i cant upload directly a file so i attached this link instead.

                                  no need EC file.
                                  first boot press f10 apply factory setting to defaults and exit, and 2nd boot reset security settings to defaults.
                                  here's your DMI info use BCU:
                                  Serial Number: 5CG936B9WW
                                  Product Number: 2FA64AV
                                  CT Number: PGWHQ00WBCQ2YU
                                  Description: HP EliteBook 840 G5
                                  build_id: 17WWCSCT601#SABD#DABD
                                  Feature Byte: 3X476J6S6b7B7H7M7Q7W7m7saBaEapaqauawbUbhcAdUdpdqfAfXhKhkjh.Rq
                                  MAC Address: 04-0E-3C-CC-6D-C6
                                  MediaFire is a simple to use free service that lets you put all your photos, documents, music, and video in a single place so you can access them anywhere and share them everywhere.

                                  Comment

                                  • -=Leroy=-
                                    Member
                                    • Jan 2024
                                    • 10
                                    • Germany

                                    #258
                                    Originally posted by rex98

                                    i don't know why i cant upload directly a file so i attached this link instead.

                                    no need EC file.
                                    first boot press f10 apply factory setting to defaults and exit, and 2nd boot reset security settings to defaults.
                                    Thank you very much!
                                    Your patched bios file worked perfect without touching the EC chip.

                                    Comment

                                    • deeptenk
                                      Member
                                      • Sep 2023
                                      • 10
                                      • Belarus

                                      #259
                                      RCUnlocker can delete computrace lock? Sorry, this is my first time encountering this. The laptop was blocked for organization; the laptop was scrapped. I was able to fix it, it did not turn on, but I see a blockage when installing windows.

                                      computro 6050a2945601-mb-a01(1a)
                                      HP Elitebook 840 G5
                                      Attached Files

                                      Comment

                                      • SMDFlea
                                        Super Moderator
                                        • Jan 2018
                                        • 20355
                                        • UK

                                        #260
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