Dell Precision 5550 password help please

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  • Nabilos92
    Member
    • Dec 2019
    • 22
    • tunisia

    #21
    Re: Dell Precision 5550 LA-191P

    Originally posted by volinakis
    Don't use bios from other laptop, of course it will not work ok. As master hardware1 said, post your own bios dump here and you'll get help.
    my bios was damaged before i can take a backup

    Comment

    • volinakis
      Badcaps Legend
      • Jan 2021
      • 2623
      • N/A

      #22
      Re: Dell Precision 5550 LA-191P

      Originally posted by Nabilos92
      my bios was damaged before i can take a backup
      post the dump of the bios you have now and you said is working but slow. Or you can try to clean ME by yourself reading this:

      https://www.badcaps.net/forum/showpo...50&postcount=3
      ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
      https://www.badcaps.net/donate/
      ----------------------------------------------------------------------------------------------------------------------------------------------------------------------

      Comment

      • Nabilos92
        Member
        • Dec 2019
        • 22
        • tunisia

        #23
        Re: Dell Precision 5550 LA-191P

        Originally posted by volinakis
        post the dump of the bios you have now and you said is working but slow. Or you can try to clean ME by yourself reading this:

        https://www.badcaps.net/forum/showpo...50&postcount=3
        it work bro without clean me i just forget make on the buttom hhhh
        thanks very much

        Comment

        • ahmedelwn
          Member
          • Oct 2022
          • 27
          • egypt

          #24
          Hello Mr. Hard Disk does not read
          Precision 5550
          Service Tag: 84XTCB3​
          Attached Files

          Comment

          • hoaca388
            Badcaps
            • Jan 2022
            • 11197
            • Viet Nam

            #25
            Originally posted by ahmedelwn
            Hello Mr. Hard Disk does not read
            Precision 5550
            Service Tag: 84XTCB3
            Precision 5550


            Service Tag: 84XTCB3
            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

            • futadmytro
              Senior Member
              • Aug 2020
              • 58
              • Сполучені Штати

              #26
              clean bios needed
              precision 5550
              Hello
              im broke one pin bios chip when im desolder it and programmer did not read it
              can someone give clean bios with clean me region

              Comment

              • LBTT1121
                Badcaps Veteran
                • Nov 2024
                • 438
                • Việt Nam

                #27
                Hi, Try
                Attached Files

                Comment

                • futadmytro
                  Senior Member
                  • Aug 2020
                  • 58
                  • Сполучені Штати

                  #28
                  Originally posted by LBTT1121
                  Hi, Try
                  Works
                  Thank you!!!

                  Comment

                • NikkoLas
                  New Member
                  • Jan 2025
                  • 1
                  • Canada

                  #29
                  Please Help Dell BIOS Unlock
                  4XBZB24-8FC8
                  Attached Files

                  Comment

                  • LBTT1121
                    Badcaps Veteran
                    • Nov 2024
                    • 438
                    • Việt Nam

                    #30
                    Originally posted by NikkoLas
                    Please Help Dell BIOS Unlock
                    4XBZB24-8FC8
                    Bios attach corrupt

                    Comment

                    • ciungarel
                      New Member
                      • Mar 2019
                      • 1
                      • Monaco

                      #31
                      Hello dear friend, please delete Absolute CompuTrace

                      Thanks in advance​
                      Attached Files

                      Comment

                      • SMDFlea
                        Super Moderator
                        • Jan 2018
                        • 20311
                        • UK

                        #32
                        Originally posted by ciungarel
                        Hello dear friend, please delete Absolute CompuTrace

                        Thanks in advance​
                        Please read https://www.badcaps.net/forum/troubl...before-posting ,and type the service tag
                        All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                        Comment

                        • Thomas Zangerl
                          New Member
                          • Jan 2025
                          • 1
                          • Austria

                          #33
                          BIOS got corrupted due to older version/bad updates. can someone please take a look and fix it? I would be grateful!
                          Precision 5550 ST:80M5R73
                          Attached Files

                          Comment

                          • Echoo
                            Senior Member
                            • Apr 2018
                            • 77
                            • Budapest

                            #34
                            Have a nice day!
                            Unfortunately, when I tried to solder the bios chip, one of its contacts broke. I can't upload a bios copy and this expensive machine is dead! Can you help?​

                            MB: FDQ50/FDC55 LA-J191P
                            ST: 9GXL493

                            Comment

                            • Echoo
                              Senior Member
                              • Apr 2018
                              • 77
                              • Budapest

                              #35
                              Originally posted by Echoo
                              Have a nice day!
                              Unfortunately, when I tried to solder the bios chip, one of its contacts broke. I can't upload a bios copy and this expensive machine is dead! Can you help?​

                              MB: FDQ50/FDC55 LA-J191P
                              ST: 9GXL493
                              I fixed it, it's irrelevant!

                              Comment

                              • Echoo
                                Senior Member
                                • Apr 2018
                                • 77
                                • Budapest

                                #36
                                Originally posted by Echoo
                                Have a nice day!
                                Unfortunately, when I tried to solder the bios chip, one of its contacts broke. I can't upload a bios copy and this expensive machine is dead! Can you help?

                                MB: FDQ50/FDC55 LA-J191P
                                ST: 9GXL493
                                And today they brought it back. It runs for a few seconds, then restarts. Then it doesn't even show a picture. Before I ruined the BIOS, everything worked, it was just a password. Now it has this:

                                Attached Files

                                Comment

                                • b4rdock
                                  Senior Member
                                  • Jun 2017
                                  • 95
                                  • usa

                                  #37
                                  Originally posted by Echoo

                                  And today they brought it back. It runs for a few seconds, then restarts. Then it doesn't even show a picture. Before I ruined the BIOS, everything worked, it was just a password. Now it has this:


                                  here is file fixed
                                  Attached Files

                                  Comment

                                  • Echoo
                                    Senior Member
                                    • Apr 2018
                                    • 77
                                    • Budapest

                                    #38
                                    Originally posted by b4rdock


                                    here is file fixed
                                    I am very grateful for your help! After installing Windows 11, I tested it for 1 hour with 4k video, it works stably!
                                    I will never get to this level to fix bios! Thank you very much!​

                                    Comment

                                    • Muhammad4848
                                      New Member
                                      • Mar 2024
                                      • 6
                                      • Little Rock City

                                      #39
                                      I'm trying to remove bios password.
                                      Due to poor soldering skill, i used a clip to read and write the chip. after patched bios file and flushed it into chip, my laptop won't start and boot loop with max fan speed when trying to start( once power cable plugs in, it show dell logo one time. After that only keyboard led turn on and off and nothing on screen). The problem remain same even i flushed the original backup bios.
                                      I think the possible reason is when i first read, the connection isn't good, so all my bios file are corrupted. If it's that case, is it possible to fix it? If not, maybe it's time to buy a new laptop LOL.
                                      Programmer: CH341A
                                      Board: LA-J191P
                                      model: Dell precision 5550
                                      Thanks.
                                      Attached Files

                                      Comment

                                      • tomodachi
                                        Badcaps Veteran
                                        • Apr 2012
                                        • 593
                                        • Turkey

                                        #40
                                        Did you make sure to wait at least 2-3 minutes for motherboard to post ? in cases of BIOS removal or reflash motherboard will need to do fresh post and druing this fans will work at full speed
                                        Last edited by tomodachi; 04-29-2025, 12:42 AM.

                                        Comment

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