Dell latitude 7490 bios

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  • EthanMai
    Senior Member
    • Jul 2020
    • 103
    • 美国

    #161
    Originally posted by Markus1741
    Re: Dell latitude 7490 bios



    Try this ....
    WORKED,TNANKS!

    Comment

    • MNTECH
      New Member
      • Jun 2024
      • 2
      • United States

      #162
      Unsure which one of the 20 stickers on this fkr leads me to the information on the file to flash this mobo with.

      let alone any schematic to find where the bios chip is.

      any recommendation on software maybe AsProgrammer? Ofc flashrom may work but am uncertain with 1.8v.
      It'll work with a Ch341a + 1.8v adapter no?
      Should I do Linux instead of Windows??

      Thanks much for any consideration.
      Last edited by MNTECH; 06-18-2024, 07:19 PM.

      Comment


      • peste
        peste commented
        Editing a comment
        merged post..
    • kawasichmach
      New Member
      • Aug 2024
      • 4
      • EU

      #163
      Hello, i have a Dell Latidude 7490
      with Service Tag 1Q736S2-BF97
      with no Access to Bios
      Can Someonbe help me?
      Attached Files

      Comment

      • volinakis
        Badcaps Legend
        • Jan 2021
        • 2728
        • N/A

        #164
        Originally posted by kawasichmach
        Hello, i have a Dell Latidude 7490
        with Service Tag 1Q736S2-BF97
        with no Access to Bios
        Can Someonbe help me?
        use https://beta.bios-pw.org/ Click image for larger version

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        Comment

        • kawasichmach
          New Member
          • Aug 2024
          • 4
          • EU

          #165
          Originally posted by volinakis
          i have tried this moretimes, but doesnt work, yet it show me the Dell Security Manager.

          Comment

          • volinakis
            Badcaps Legend
            • Jan 2021
            • 2728
            • N/A

            #166
            Originally posted by kawasichmach

            i have tried this moretimes, but doesnt work, yet it show me the Dell Security Manager.
            use external USB US keyboard
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            Comment

            • kawasichmach
              New Member
              • Aug 2024
              • 4
              • EU

              #167
              Originally posted by volinakis

              use external USB US Keyboard
              ohhh my goood, i try it everytime with the German Layout, thanks a lot It works

              Comment

              • volinakis
                Badcaps Legend
                • Jan 2021
                • 2728
                • N/A

                #168
                Originally posted by kawasichmach

                ohhh my goood, i try it everytime with the German Layout, thanks a lot It works
                yep, it happens often. You are welcome. Keep in mind that all decrypted passwords are for US layout.
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                Comment

                • mikrocok
                  BadGeek
                  • Aug 2024
                  • 13
                  • Singapore

                  #169
                  hello everyone,
                  i have a problem after updating the TPM firmware, after successfully updating TPM and rebooting here is the problem, my laptop can't enter the bios anymore
                  after trying several BIOS files from this forum, i got a file that can turn on my laptop again.

                  but the other problem is:
                  - TPM could not be initialized every time booting must press F1 to continue
                  - Missing TPM feature in BIOS
                  - Service TAG and Express Code changed different from before
                  -------------------------------------------------------------
                  Dell Latidude 7490 - i7-8650U
                  Motherboard code : DAZ40 LA-F321P REV:1.0 (A00)
                  Original service TAG is: H30FPN2
                  Original Express Service Code: 37187431310

                  Someone please help. thanks
                  Last edited by mikrocok; 08-09-2024, 04:01 AM.

                  Comment

                  • mikrocok
                    BadGeek
                    • Aug 2024
                    • 13
                    • Singapore

                    #170
                    I don't have a previous bios backup

                    Comment

                    • SMDFlea
                      Super Moderator
                      • Jan 2018
                      • 20781
                      • UK

                      #171
                      Originally posted by mikrocok
                      I don't have a previous bios backup
                      Use an SPI programmer to make backups of the bios chip(s) and post them here.
                      All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                      Comment

                      • mikrocok
                        BadGeek
                        • Aug 2024
                        • 13
                        • Singapore

                        #172
                        Originally posted by SMDFlea

                        Use an SPI programmer to make backups of the bios chip(s) and post them here.
                        I don't have the original bios file, I got the bios file from this forum, I attached the backup results
                        Attached Files

                        Comment


                        • SMDFlea
                          SMDFlea commented
                          Editing a comment
                          thats not the bios
                      • mikrocok
                        BadGeek
                        • Aug 2024
                        • 13
                        • Singapore

                        #173
                        Originally posted by mikrocok
                        hello everyone,
                        i have a problem after updating the TPM firmware, after successfully updating TPM and rebooting here is the problem, my laptop can't enter the bios anymore
                        after trying several BIOS files from this forum, i got a file that can turn on my laptop again.

                        but the other problem is:
                        - TPM could not be initialized every time booting must press F1 to continue
                        - Missing TPM feature in BIOS
                        - Service TAG and Express Code changed different from before
                        -------------------------------------------------------------
                        Dell Latidude 7490 - i7-8650U
                        Motherboard code : DAZ40 LA-F321P REV:1.0 (A00)
                        Original service TAG is: H30FPN2
                        Original Express Service Code: 37187431310

                        Someone please help. thanks
                        here my details

                        Comment

                        • mikrocok
                          BadGeek
                          • Aug 2024
                          • 13
                          • Singapore

                          #174
                          Originally posted by SMDFlea

                          Use an SPI programmer to make backups of the bios chip(s) and post them here.
                          I don't understand how to backup it, I attached the bios that I can use from this forum
                          Attached Files

                          Comment

                          • SMDFlea
                            Super Moderator
                            • Jan 2018
                            • 20781
                            • UK

                            #175
                            Originally posted by mikrocok

                            I don't understand how to backup it, I attached the bios that I can use from this forum
                            Oh, so you didn`t save the original bios backup and just wrote another one over it ?
                            All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                            Comment

                            • mikrocok
                              BadGeek
                              • Aug 2024
                              • 13
                              • Singapore

                              #176
                              Originally posted by SMDFlea

                              Oh, so you didn`t save the original bios backup and just wrote another one over it ?
                              correct...

                              i have a problem after updating the TPM firmware, after successfully updating TPM and rebooting here is the problem, my laptop can't enter the bios anymore
                              after trying several BIOS files from this forum, i got a file that can turn on my laptop again.

                              but the other problem is:
                              - TPM could not be initialized every time booting must press F1 to continue
                              - Missing TPM feature in BIOS
                              - Service TAG and Express Code changed different from before
                              -------------------------------------------------------------
                              Dell Latidude 7490 - i7-8650U
                              Motherboard code : DAZ40 LA-F321P REV:1.0 (A00)
                              Original service TAG is: H30FPN2
                              Original Express Service Code: 37187431310

                              Comment

                              • mikrocok
                                BadGeek
                                • Aug 2024
                                • 13
                                • Singapore

                                #177
                                Anyone help

                                Comment

                                • hoaca388
                                  Badcaps
                                  • Jan 2022
                                  • 11682
                                  • Socialist Republic of Vietnam

                                  #178
                                  Originally posted by mikrocok
                                  Anyone help
                                  Try
                                  Attached Files


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                                  Comment

                                  • mikrocok
                                    BadGeek
                                    • Aug 2024
                                    • 13
                                    • Singapore

                                    #179
                                    Originally posted by hoaca388

                                    Try
                                    thanks, i have tried it but still have this problem

                                    - TPM could not be initialized
                                    - Missing TPM feature in BIOS
                                    - Service TAG and Express Code changed different from original​

                                    Comment

                                    • mikrocok
                                      BadGeek
                                      • Aug 2024
                                      • 13
                                      • Singapore

                                      #180
                                      help solve my problem please

                                      Comment

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