help need clean bios dell latitude 3420

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  • hamza hamza
    Member
    • May 2022
    • 27
    • morocco

    #321
    Originally posted by lapfix

    Try and Give Feedback
    thank you so much bro for your help
    it's working 100% 👍​

    Comment

    • ldinesh51
      New Member
      • Mar 2020
      • 3
      • India

      #322
      Kindly help on this
      dell latitude 3420

      hanging in dell logo

      service tag :1Z0RLG3
      Attached Files

      Comment

      • DM989121
        New Member
        • May 2025
        • 3
        • POL

        #323
        Pls, repair my bios
        Dell Latitude 3420
        service tag: 77QVQG3
        Motherboard: Cyborg-L14 MB TGL NEW PD
        Attached Files

        Comment

        • lapfix
          Badcaps Legend
          • Mar 2020
          • 2564
          • my workshop

          #324
          Originally posted by DM989121
          Pls, repair my bios
          Dell Latitude 3420
          service tag: 77QVQG3
          Motherboard: Cyborg-L14 MB TGL NEW PD
          What's your issue !
          Upload the other bios
          Last edited by lapfix; 05-30-2025, 06:25 AM.

          Comment

          • DM989121
            New Member
            • May 2025
            • 3
            • POL

            #325
            Originally posted by lapfix

            What's your issue !
            Upload the other bios
            Laptop no power. When connect ac/dc adapter I receives voltage 3.3v, 5v, 20v. Apu is slightly warm on thermal imaging camera. I flash another bios from this topic with different Service tag etc., and laptop power on. So i conclude that it is a bios problem.

            I don't have another bios. This bios is from read to original bios chipset.

            Comment

            • lapfix
              Badcaps Legend
              • Mar 2020
              • 2564
              • my workshop

              #326
              No there's another bios chip..or your read isn't good

              Comment

              • DM989121
                New Member
                • May 2025
                • 3
                • POL

                #327
                And this one?
                Attached Files

                Comment

                • lapfix
                  Badcaps Legend
                  • Mar 2020
                  • 2564
                  • my workshop

                  #328
                  Originally posted by DM989121
                  And this one?
                  No same
                  Your ref bios at your motherbpord is : U2504
                  Search U2503

                  Comment

                  • Damian989121
                    New Member
                    • May 2024
                    • 3
                    • Poland

                    #329
                    Originally posted by lapfix

                    No same
                    Your ref bios at your motherbpord is : U2504
                    Search U2503
                    This bios file is from U2503 "Winbond 25R256JVEN". I read this bios in Xgpro TL866II Plus.

                    Comment

                    • Damian989121
                      New Member
                      • May 2024
                      • 3
                      • Poland

                      #330
                      Ok, problem resolve myself. Thank's for help.

                      Comment

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