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(NEED HELP)dell precision m4600 problem after bios flash (unbrick)

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  • SMDFlea
    Super Moderator
    • Jan 2018
    • 24988
    • UK

    #21
    Originally posted by disorder
    hello guys,

    i've got a probleme with a laptop precision m4600
    can someone can build a bios for me ? the service tag of the laptop is : FYNZ4S1
    don't have already bios dump as i have not dismentle this one at this time
    thank you guys
    Thread merged. When you have the bios backups post them and someone will help to fix the corrupt ME firmware

    Comment

    • disorder
      Senior Member
      • Sep 2015
      • 161
      • france

      #22
      hello, ok then i put this laptop in parts, not a big deal but wasted time lol

      here you'll fin dumps : u52 and u53 (as programmer dump)

      thank you again SMDFlea
      Attached Files

      Premium supporters get full download access and other benefits.

      Comment

      • disorder
        Senior Member
        • Sep 2015
        • 161
        • france

        #23
        Hello

        i try to build clean ME region firmware with the tutorial. but i'm stuck,

        i succeed to extract u52 ans u53 files, fusion them in one file, check ME region with uefitool : it is region 7

        but i can't find ME region firmware (step 2 ) because in dell site i can only download EXE file and can't extract bin file with any tool : 7zip, rar or other.

        can you help me please ?

        Comment

        • hoaca388
          Badcaps
          • Jan 2022
          • 12713
          • Socialist Republic of Vietnam

          #24
          Originally posted by disorder
          Hello

          i try to build clean ME region firmware with the tutorial. but i'm stuck,

          i succeed to extract u52 ans u53 files, fusion them in one file, check ME region with uefitool : it is region 7

          but i can't find ME region firmware (step 2 ) because in dell site i can only download EXE file and can't extract bin file with any tool : 7zip, rar or other.

          can you help me please ?
          Precision M4600

          Service Tag: FYNZ4S1​
          Attached Files

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          Comment

          • disorder
            Senior Member
            • Sep 2015
            • 161
            • france

            #25
            hello

            thank you a lot hoaca388, now laptop is booting fine !!!!

            Comment

            • atro
              New Member
              • Jun 2026
              • 7
              • usa

              #26
              am trying to flash bios file but the new file is 1kb larger than the ic
              bios file Dell Precision M4600 Brooks 15 EVLT MBF Rev A00 Nvidia N12P-Q3-A1 Bios + EC
              it has 2 files the 2mb one i have already flash the 8mb file has 1kb so it says i ts larger than IC.
              if ill attach file.
              Attached Files

              Premium supporters get full download access and other benefits.

              Comment

              • atro
                New Member
                • Jun 2026
                • 7
                • usa

                #27
                wanted to test some files uploaded from other users here but i couldnt download any.
                been seraching fio hours not much info about this problem.

                Comment

                • SMDFlea
                  Super Moderator
                  • Jan 2018
                  • 24988
                  • UK

                  #28
                  Originally posted by atro
                  am trying to flash bios file but the new file is 1kb larger than the ic
                  bios file Dell Precision M4600 Brooks 15 EVLT MBF Rev A00 Nvidia N12P-Q3-A1 Bios + EC
                  it has 2 files the 2mb one i have already flash the 8mb file has 1kb so it says i ts larger than IC.
                  if ill attach file.
                  Please post the serial number, SNID or service tag with all bios requests. I`ve edited the file you posted to the right size .Make a backup first before flashing.
                  Attached Files

                  Premium supporters get full download access and other benefits.

                  Comment

                  • atro
                    New Member
                    • Jun 2026
                    • 7
                    • usa

                    #29
                    Originally posted by SMDFlea

                    Please post the serial number, SNID or service tag with all bios requests. I`ve edited the file you posted to the right size .Make a backup first before flashing.
                    i cant download your file why is that .?? i ger this

                    PREMIUM SUPPORTER

                    75 DOWNLOADS PER DAY


                    PS C:\Users\TTT GWMI -Class Win32_Bios | select SerialNumber

                    SerialNumber
                    ------------
                    6RB25S1

                    here is the info you requested above..
                    i did managed to flash the chips. one of the programmers allowed me to flash even with 1kb difference in size i think it was ch341as programmer v1.29
                    but it gives error ME is in recovery state its still boots but that error wasnt there before.

                    Comment

                    • SMDFlea
                      Super Moderator
                      • Jan 2018
                      • 24988
                      • UK

                      #30
                      Originally posted by atro

                      i cant download your file why is that .?? i ger this

                      PREMIUM SUPPORTER

                      75 DOWNLOADS PER DAY

                      PS C:\Users\TTT GWMI -Class Win32_Bios | select SerialNumber

                      SerialNumber
                      ------------
                      6RB25S1

                      here is the info you requested above..
                      i did managed to flash the chips. one of the programmers allowed me to flash even with 1kb difference in size i think it was ch341as programmer v1.29
                      but it gives error ME is in recovery state its still boots but that error wasnt there before.
                      To download files you will need a subscription. The file you posted must also need the ME firmware cleaning , all i did to it previously was trim the file to the right size. I can post another bios with clean ME firmware if you like or you could try cleaning it yourself, https://www.badcaps.net/forum/troubl...22#post1622422

                      Comment

                      • SMDFlea
                        Super Moderator
                        • Jan 2018
                        • 24988
                        • UK

                        #31
                        Originally posted by atro

                        if you could clean it iwould appreciated i did read the guides and am not that experienced
                        but i wouldnt be able to dwonload it. as i have no subscription ehn i had other account it was free.
                        thank you
                        There`s a second bios chip , 2MB .To clean the ME firmware both files need joining togeter. After cleaning both files are split again. Anyway you could try this bios , it already has clean firmware https://www.badcaps.net/forum/troubl...59#post3508359

                        Comment

                        • atro
                          New Member
                          • Jun 2026
                          • 7
                          • usa

                          #32
                          Originally posted by SMDFlea

                          There`s a second bios chip , 2MB .To clean the ME firmware both files need joining togeter. After cleaning both files are split again. Anyway you could try this bios , it already has clean firmware https://www.badcaps.net/forum/troubl...59#post3508359
                          thank you.

                          Comment

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