Dell Latitude E7480 CXWHP BIOS??? TPM not detected...

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  • feherhollo
    Senior Member
    • Nov 2019
    • 110
    • Hungary

    #1

    Dell Latitude E7480 CXWHP BIOS??? TPM not detected...

    Hi,

    I have Dell Latitude 7480 motherboard with TPM chip not detected fault. Bios update disabled the TPM chip and no longer have the option in the BIOS.

    Please share your original dump if you have DP/N: 0CXWHP part numbered motherboard with 25Q128FV chip. I have tried reflash bioses from other E7480 boards but no luck, computer not booted and/or working properly.

    If you have skills for re enable the TPM in my current dump also let me know.

    Thanks
  • SMDFlea
    Super Moderator
    • Jan 2018
    • 20731
    • UK

    #2
    Re: Dell Latitude E7480 CXWHP BIOS??? TPM not detected...

    Post your bios backup .
    All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

    Comment

    • feherhollo
      Senior Member
      • Nov 2019
      • 110
      • Hungary

      #3
      Re: Dell Latitude E7480 CXWHP BIOS??? TPM not detected...



      Here is my working original dump! Boot with the following error:


      Attached Files
      Last edited by feherhollo; 02-14-2021, 05:13 PM.

      Comment

      • feherhollo
        Senior Member
        • Nov 2019
        • 110
        • Hungary

        #4
        Re: Dell Latitude E7480 CXWHP BIOS??? TPM not detected...

        Hope there are some solution available...

        Comment

        • CornholioGSM
          Badcaps Veteran
          • Feb 2014
          • 264
          • CZECH

          #5
          Re: Dell Latitude E7480 CXWHP BIOS??? TPM not detected...

          hmmmm...same problem by me on E7280 - tpm not detected
          Still no solution?

          Comment

          • SMDFlea
            Super Moderator
            • Jan 2018
            • 20731
            • UK

            #6
            Re: Dell Latitude E7480 CXWHP BIOS??? TPM not detected...

            Originally posted by CornholioGSM
            hmmmm...same problem by me on E7280 - tpm not detected
            Still no solution?
            Post your backup.
            All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

            Comment

            • trufoldino157
              Member
              • Aug 2020
              • 19
              • Russia

              #7
              Re: Dell Latitude E7480 CXWHP BIOS??? TPM not detected...

              Hi.
              Has anyone solved this problem? If so, please describe the solution.

              Comment

              • feherhollo
                Senior Member
                • Nov 2019
                • 110
                • Hungary

                #8
                Re: Dell Latitude E7480 CXWHP BIOS??? TPM not detected...

                This is not a BIOS related problem. It is a hardware problem of faulty chip or TPM chip firmware. The solution is to remove the whole TPM functionality from BIOS dump and reflash the BIOS chip.
                Still not tested, because I have replaced these mobos under warranty so don't have proper success on that, but can try...

                Comment

                • Aditya11ttt
                  Adi
                  • Feb 2019
                  • 177
                  • India

                  #9
                  Re: Dell Latitude E7480 CXWHP BIOS??? TPM not detected...

                  Originally posted by trufoldino157
                  Hi.
                  Has anyone solved this problem? If so, please describe the solution.
                  Few things you can try
                  1.Update or Downgrade the bios Version
                  2.Me Clean
                  3.Try another working bios
                  4.Disable PTT protection during me clean which disable automatically when you do meclean.
                  5.If you know exact string and can remove complete TPM part from bios.
                  6.If there is TPM Update from model officially try to install and try the luck.
                  7.There is ways to enable TPM from windows also,
                  8.Complete remove Tpm module from board (Assumption Not tested)

                  These are few steps can try for solving TPM cases

                  PS Some of them have been working in some of the model and some are not still needs to be tested.

                  If anyone wants to add something to list most welcome.

                  Comment

                  • SMDFlea
                    Super Moderator
                    • Jan 2018
                    • 20731
                    • UK

                    #10
                    Re: Dell Latitude E7480 CXWHP BIOS??? TPM not detected...

                    Originally posted by Aditya11ttt

                    If anyone wants to add something to list most welcome.
                    The first thing to try is a new CMOS battery.

                    A few more suggestions here https://mrtechbot.wordpress.com/2019...tialize-error/
                    All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                    Comment

                    • Aditya11ttt
                      Adi
                      • Feb 2019
                      • 177
                      • India

                      #11
                      Re: Dell Latitude E7480 CXWHP BIOS??? TPM not detected...

                      Originally posted by SMDFlea
                      The first thing to try is a new CMOS battery.

                      A few more suggestions here https://mrtechbot.wordpress.com/2019...tialize-error/
                      Yes Thnx for addition!!

                      This is also a valid basic point
                      also in some laptops there is no Cmos batt. But its in Main Battery also try remove the main battery and hold down power button 30 sec and can also try this step too.

                      Comment

                      • Aditya11ttt
                        Adi
                        • Feb 2019
                        • 177
                        • India

                        #12
                        TPM Issue permanent Solution is change of “TPM” Ic from the another parallel board till now tested in 10+ boards working without errors and after updates also not any issues or error were reported so far !! May be some one else has some more idea do share !!!

                        PS: New TPM chip may work too , we have not tested that practically.

                        Comment

                        • feherhollo
                          Senior Member
                          • Nov 2019
                          • 110
                          • Hungary

                          #13
                          Good replies. Thanks

                          Comment

                          • munir100
                            Senior Member
                            • Dec 2018
                            • 178
                            • uae

                            #14
                            DELL 7480 Tpm device is not detected alert here is bios file ST -C19C8H2 CAN any one fix this eror thinks in advenced
                            Attached Files

                            Comment

                            • hoaca388
                              Badcaps
                              • Jan 2022
                              • 11659
                              • Socialist Republic of Vietnam

                              #15
                              Originally posted by munir100
                              DELL 7480 Tpm device is not detected alert here is bios file ST -C19C8H2 CAN any one fix this eror thinks in advenced
                              Latitude 7480


                              Service Tag: C19C8H2
                              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


                              • munir100
                                munir100 commented
                                Editing a comment
                                thanks for repaly same problem
                            • hoaca388
                              Badcaps
                              • Jan 2022
                              • 11659
                              • Socialist Republic of Vietnam

                              #16
                              Originally posted by munir100
                              DELL 7480 Tpm device is not detected alert here is bios file ST -C19C8H2 CAN any one fix this eror thinks in advenced
                              Try with version 1.1.2
                              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


                              • munir100
                                munir100 commented
                                Editing a comment
                                thanks this one work before this bios file i chang tpm ic but not sceufull thanks for help
                            • dqtech
                              Badcaps
                              • Jul 2018
                              • 629
                              • N/A

                              #17
                              Originally posted by hoaca388

                              Try with version 1.1.2
                              this working without TPM error

                              Comment

                              • usman wingo
                                New Member
                                • Jan 2017
                                • 1
                                • cameroon

                                #18
                                I just solved this TPM Problem by flashing another Bin file into the BIOS chip.

                                Comment

                                • mshone
                                  Senior Member
                                  • Jan 2014
                                  • 57
                                  • serbia

                                  #19
                                  Hi, same model, same problem. Dell latitude 7480, service tag 18Q0MH2, TPM is not in listed in bios, during boot a lap give me alert "TPM device is not detected". Tried new version OS, newest BIOS, bud without success. In attachment i added original bios bin. If somebody can help, i would be very gratefull.
                                  Attached Files

                                  Comment

                                  • hoaca388
                                    Badcaps
                                    • Jan 2022
                                    • 11659
                                    • Socialist Republic of Vietnam

                                    #20
                                    Originally posted by mshone
                                    Hi, same model, same problem. Dell latitude 7480, service tag 18Q0MH2, TPM is not in listed in bios, during boot a lap give me alert "TPM device is not detected". Tried new version OS, newest BIOS, bud without success. In attachment i added original bios bin. If somebody can help, i would be very gratefull.
                                    Try
                                    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

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