dell Precision 7540 bios

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  • hoaca388
    Badcaps Legend
    • Jan 2022
    • 11135
    • Viet Nam

    #21
    Originally posted by djdhusy


    Yessir.
    i tried more than 4 times file corrupted i think. Is it possible to do something with this backup file?​
    No.


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    • fredrik
      New Member
      • Mar 2025
      • 4
      • Sweden

      #22
      Hi. My laptop stopped booting after Windows Update tried to upgrade the bios to version 1.32.0.
      The regular Dell bios recovery doesn't work (both autorecovery and the "hold ctrl+esc while inserting the power" methods), it just crashes and reboots if I use newer versions of the bios and downgrade to older versions isn't allowed.
      If someone can help me correcting the bios I would be very thankful.

      Have attached a bios dump with this post.

      Model: Dell Precision 7540
      Service Tag: 81475Y2
      Attached Files

      Comment


      • SMDFlea
        SMDFlea commented
        Editing a comment
        post moved..next time look for a thread with the name and model, motherboard model of the laptop, and post there, if you can't find it, then make a new thread.
    • hoaca388
      Badcaps Legend
      • Jan 2022
      • 11135
      • Viet Nam

      #23
      Originally posted by fredrik
      Hi. My laptop stopped booting after Windows Update tried to upgrade the bios to version 1.32.0.
      The regular Dell bios recovery doesn't work (both autorecovery and the "hold ctrl+esc while inserting the power" methods), it just crashes and reboots if I use newer versions of the bios and downgrade to older versions isn't allowed.
      If someone can help me correcting the bios I would be very thankful.

      Have attached a bios dump with this post.

      Model: Dell Precision 7540
      Service Tag: 81475Y2
      Precision 7540

      Service Tag: 81475Y2​
      Attached Files


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

      • fredrik
        New Member
        • Mar 2025
        • 4
        • Sweden

        #24
        Originally posted by hoaca388

        Precision 7540

        Service Tag: 81475Y2​
        Thank you so SO much! That worked like a charm! ❤

        Comment

        • Wojtek_P
          New Member
          • Jan 2025
          • 7
          • Poland

          #25
          Hello,

          If anyone has BIOS dump from dell precision 7540 touchscreen version?

          Comment


          • peste
            peste commented
            Editing a comment
            post merged..next time look for a thread with the name and model, motherboard model of the laptop, and post there, if you can't find it, then make a new thread..
        • peste
          Super Moderator
          • Dec 2016
          • 12226
          • ROMANIA

          #26
          Originally posted by Wojtek_P
          Hello,

          If anyone has BIOS dump from dell precision 7540 touchscreen version?
          post S/T, motherboard model, etc.

          post the contents of the bios chip even if it is corrupted..
          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

          • Wojtek_P
            New Member
            • Jan 2025
            • 7
            • Poland

            #27
            Originally posted by peste

            post S/T, motherboard model, etc.

            post the contents of the bios chip even if it is corrupted..
            Hi. How to create dump file without disassembling laptop and desoldering BIOS chip? I preffer a free software
            And laptop itself works fine. It is non-touch version. I swapped display to touch version but non of my OSes detects the touch capability of new screen. Everything is connected correctly, that is why assumed I need a new BIOS.

            Comment

            • Wojtek_P
              New Member
              • Jan 2025
              • 7
              • Poland

              #28
              P.S. Service tag if needed: 5GYT3Z2

              Comment

              • pineapple
                Member
                • Mar 2013
                • 17
                • USA

                #29
                I was referred to this thread by rex98. I have a Precision 7540 with the 8FC8 nonsense. His tool wasn't able to work with the dump...

                Model: Dell Precision 7540
                Reg Model: P74F
                Service Tag: HL7SYY2

                Thanks to all for any help. I am feeling really terrible about being unable to see it all through to the end...
                Attached Files

                Comment

                • hoaca388
                  Badcaps Legend
                  • Jan 2022
                  • 11135
                  • Viet Nam

                  #30
                  Originally posted by pineapple
                  I was referred to this thread by rex98. I have a Precision 7540 with the 8FC8 nonsense. His tool wasn't able to work with the dump...

                  Model: Dell Precision 7540
                  Reg Model: P74F
                  Service Tag: HL7SYY2

                  Thanks to all for any help. I am feeling really terrible about being unable to see it all through to the end...
                  Because your file is not ok.


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

                  Comment

                  • Myst Mystery
                    New Member
                    • Jun 2025
                    • 2
                    • United States

                    #31
                    I have recently been giving a Dell precision 7540 that has startup lock and admin bios lock the service tag is DWT8ZY2-8FC8 can someone please help

                    Comment

                    • SMDFlea
                      Super Moderator
                      • Jan 2018
                      • 20279
                      • UK

                      #32
                      Originally posted by Myst Mystery
                      I have recently been giving a Dell precision 7540 that has startup lock and admin bios lock the service tag is DWT8ZY2-8FC8 can someone please help
                      Thread merged. We can only help you if you post your bios backups, for that you will need an SPI bios programmer.

                      BIOS guides, methods, resources and tools
                      https://www.badcaps.net/forum/troubl...rces-and-tools

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

                      Comment

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