Bios Dump Toshiba L50-A-1CU PSKK6E

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  • DsB_79
    Member
    • May 2013
    • 16
    • Portugal

    #1

    Bios Dump Toshiba L50-A-1CU PSKK6E

    Hi, i need a bios dump from a working laptop model Toshiba L50-A-1CU PSKK6E, can someone help.

    Regards,

    Diogo.
  • jasko_jacker
    Badcaps Legend
    • Oct 2014
    • 1140
    • italy

    #2
    Re: Bios Dump Toshiba L50-A-1CU PSKK6E

    Try this
    Attached Files
    Last edited by jasko_jacker; 10-09-2016, 02:20 PM.

    Comment

    • DsB_79
      Member
      • May 2013
      • 16
      • Portugal

      #3
      Re: Bios Dump Toshiba L50-A-1CU PSKK6E

      Hi, this is only one file i have two chips do i need to programm the two chips, or only need to programm the main one?

      Comment

      • DsB_79
        Member
        • May 2013
        • 16
        • Portugal

        #4
        Re: Bios Dump Toshiba L50-A-1CU PSKK6E

        Hi, the laptop is working again but in the device manager i have code 43 for the NVIDIA graphic card 740m and the card reader of the laptop is not working in the device manager appears invalid device descriptor, can this be any thing to do it with the BIOS update.
        Can some onde help me debug this issue.

        Regards,Diogo.

        Comment

        • ala_borbe
          aka Donald
          • Apr 2011
          • 1625
          • Malta

          #5
          Re: Bios Dump Toshiba L50-A-1CU PSKK6E

          since there is no working bios dump available on net for free
          dump your bios so i can try to fix it usig parts from web updates from toshiba
          simetimes i manage to fix problems

          dump both chips pls
          Im Back... sort of...

          Comment

          • DsB_79
            Member
            • May 2013
            • 16
            • Portugal

            #6
            Re: Bios Dump Toshiba L50-A-1CU PSKK6E

            Hi, ok here is the bios dump, if you or anyone can fix this, all of you are a live savers.

            Thanks,

            Diogo.
            Attached Files

            Comment

            • DsB_79
              Member
              • May 2013
              • 16
              • Portugal

              #7
              Re: Bios Dump Toshiba L50-A-1CU PSKK6E

              This may help, the pcb board has reference vsg mb rev 2.1 and part number is pskke-03m06cep.

              Comment

              • ala_borbe
                aka Donald
                • Apr 2011
                • 1625
                • Malta

                #8
                Re: Bios Dump Toshiba L50-A-1CU PSKK6E

                this board has 2 bios

                one is PCH bios and you posted it, its 2 mb
                other should be main and 4mb (but you did not post it so i cant be sure)

                here is main dump (4mb bios)

                make backup before anything
                Attached Files
                Im Back... sort of...

                Comment

                • DsB_79
                  Member
                  • May 2013
                  • 16
                  • Portugal

                  #9
                  Re: Bios Dump Toshiba L50-A-1CU PSKK6E

                  Hi, Ala_Borde

                  sorry my mistake, here is the two files the main one and the phc.

                  Regards, Diogo.
                  Attached Files

                  Comment

                  • DsB_79
                    Member
                    • May 2013
                    • 16
                    • Portugal

                    #10
                    Re: Bios Dump Toshiba L50-A-1CU PSKK6E

                    Hi, i have some good news, i manage to flash back the original 2mb pch bios and the invalid device descriptor is gone from the device manager my only problem now is the graphic card the nvidia always appears with code 43, i have install the latest driver from nvidia site but no luck. My question is, will the main bios has anything to do with this problem on the graphic card? This graphic card has the optimus tecnology.

                    Comment

                    • ala_borbe
                      aka Donald
                      • Apr 2011
                      • 1625
                      • Malta

                      #11
                      Re: Bios Dump Toshiba L50-A-1CU PSKK6E

                      try this, flash both chips, remove cmos battery

                      and of course install all drivers and utilities given by toshiba for this model, and if all works well try then to update driver from nvidia
                      Attached Files
                      Last edited by ala_borbe; 10-21-2016, 04:13 PM.
                      Im Back... sort of...

                      Comment

                      • DsB_79
                        Member
                        • May 2013
                        • 16
                        • Portugal

                        #12
                        Re: Bios Dump Toshiba L50-A-1CU PSKK6E

                        Hi, i have flash the two bios and the same problem code 43 on the graphic card and with this bios the usb invalid descriptor appears again.How can i see if the original bios has a error so i can fix it or see it.

                        Regards, Diogo.

                        Comment

                        • DsB_79
                          Member
                          • May 2013
                          • 16
                          • Portugal

                          #13
                          Re: Bios Dump Toshiba L50-A-1CU PSKK6E

                          Hi, i have manage to flash back the original bios file now i only have code 43 on graphic card, i suspect that the problem relies on the chip of the graphic card. Thanks, all for the help so far.

                          Regards, Diogo.

                          Comment

                          • Ghost18_07
                            Zakaria
                            • Mar 2018
                            • 87
                            • Algeria

                            #14
                            Originally posted by ala_borbe
                            Re: Bios Dump Toshiba L50-A-1CU PSKK6E

                            try this, flash both chips, remove cmos battery

                            and of course install all drivers and utilities given by toshiba for this model, and if all works well try then to update driver from nvidia
                            Thanks, after all those years i still confirm that it's a working Bios 🤣

                            Comment

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