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    Hello.
    This laptop starts normally, the power button lights green, and the fan turns on. A few seconds later the power button light goes out and the fan stops spinning, the laptop never boots and the screen stays black. The laptop was working untill a windows BIOS update failed, I'm looking for a clean BIOS bin file or a clean up of the corrupted BIOS dump. Any help would be greatly appreciated Thank You.

    Lenovo Thinkpad T470
    Type: 20JN-S1470A
    S/N: PF-0VP714

    Attached Files

    Comment


    • SMDFlea
      SMDFlea commented
      Editing a comment
      Thread merged.

    Originally posted by Nino RIcca View Post
    Hello.
    This laptop starts normally, the power button lights green, and the fan turns on. A few seconds later the power button light goes out and the fan stops spinning, the laptop never boots and the screen stays black. The laptop was working untill a windows BIOS update failed, I'm looking for a clean BIOS bin file or a clean up of the corrupted BIOS dump. Any help would be greatly appreciated Thank You.

    Lenovo Thinkpad T470
    Type: 20JN-S1470A
    S/N: PF-0VP714
    T470 Laptop (ThinkPad) - Type 20JN

    Attached Files


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      Dear Friends., working on a Lenovo T470. All required voltages are present & the require Amps (.95mili amps), Also goes through the start process, turns off & then turns on but no display or any beeps. I think the BIOS Bin files are corrupted & has to be re-build. Can some pls. re-build the Bin File, Original Bin uploaded. Thanks in advance.
      Lenovo T470 Model Type: 20HE-S2K100 Serial #: PF-0SLUUS
      Attached Files

      Comment


        Originally posted by mferna14 View Post
        Dear Friends., working on a Lenovo T470. All required voltages are present & the require Amps (.95mili amps), Also goes through the start process, turns off & then turns on but no display or any beeps. I think the BIOS Bin files are corrupted & has to be re-build. Can some pls. re-build the Bin File, Original Bin uploaded. Thanks in advance.
        Lenovo T470 Model Type: 20HE-S2K100 Serial #: PF-0SLUUS
        T470 Laptop (ThinkPad) - Type 20HE

        Attached Files


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

        Comment


          Originally posted by mferna14 View Post
          Dear Friends., working on a Lenovo T470. All required voltages are present & the require Amps (.95mili amps), Also goes through the start process, turns off & then turns on but no display or any beeps. I think the BIOS Bin files are corrupted & has to be re-build. Can some pls. re-build the Bin File, Original Bin uploaded. Thanks in advance.
          Lenovo T470 Model Type: 20HE-S2K100 Serial #: PF-0SLUUS
          Hello you can try that too ... Good luck
          Attached Files

          Comment


            Dear hoaca388 you are always on the mark. Thank you brother, all worked fine. Even Markus1741 thanks for your bin file, I did not try it but surely yours too might work well. Thanks for all the help.

            Comment


              need bios lenovo t470

              bord number nm-a931

              proplem no screen

              and this my dump
              Attached Files

              Comment


                Originally posted by zmezm1995` View Post
                need bios lenovo t470

                bord number nm-a931

                proplem no screen

                and this my dump
                S/N ???
                Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

                >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

                Every donation made will go towards server fees and maintenance costs.

                Comment


                  Originally posted by peste View Post

                  S/N ???
                  pf-0u7leu

                  Comment


                    Originally posted by hoaca388 View Post
                    Re: T470 bios needed



                    bro do u have t470 -nm-a931 u15 bios bin file (c-port )

                    Comment


                      Originally posted by hoaca388 View Post
                      About T470 bios needed REPAIR THIS BIOS PLEASE SIR
                      NO POWER PROBLEM
                      LENOVO T470 MB MODEL : NM-A931
                      SN: PF-12ANPY

                      Attached Files

                      Comment


                        Hello.
                        I came to a very weird situation with a T470.
                        Laptop worked great but locked, backed up the BIOS, successfully verified it, patched it with Autopatcher, boot successfully and completed the DXE procedure, flashed back the old unpatched bios and now only the green led of power button turns on and nothing else.
                        Tried CMOS reset but no luck. No physical damage around BIOS chip, i was very careful and checked MB on microscope.
                        Any ideas?

                        Both bios attached
                        S/N: PF-10A0VQ

                        Thank you in advance!
                        Attached Files
                        Last edited by Andreasbest; 02-04-2025, 05:41 AM.

                        Comment


                          Originally posted by Andreasbest View Post
                          Hello.
                          I came to a very weird situation with a T470.
                          Laptop worked great but locked, backed up the BIOS, successfully verified it, patched it with Autopatcher, boot successfully and completed the DXE procedure, flashed back the old unpatched bios and now only the green led of power button turns on and nothing else.
                          Tried CMOS reset but no luck. No physical damage around BIOS chip, i was very careful and checked MB on microscope.
                          Any ideas?

                          Both bios attached
                          S/N: PF-10A0VQ

                          Thank you in advance!
                          Unpatched bios, updated to 1.79 + clean Corp LP C 11.8.94.4494 ME firmware
                          Attached Files
                          All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

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