HP Probook 650 G2 won't turn on after bios chip replacement

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  • lapfix
    Badcaps Legend
    • Mar 2020
    • 2764
    • my workshop

    #21
    Re: HP Probook 650 G2 won't turn on after bios chip replacement

    What do you mean by : with which the laptop "runs". !

    Comment

    • BADJACK80
      Member
      • Mar 2020
      • 21
      • Erde

      #22
      Re: HP Probook 650 G2 won't turn on after bios chip replacement

      What I mean by that. When I flash this biosfile, the laptop starts up again. I also had other bios files with which the laptop did not start up. With the "bad" dumps, only the fans turned up after a while.

      I once attached a dump of a completely identical device. Is from the same batch
      Attached Files

      Comment

      • lapfix
        Badcaps Legend
        • Mar 2020
        • 2764
        • my workshop

        #23
        Re: HP Probook 650 G2 won't turn on after bios chip replacement

        So the lap start..but not getting windows and still got the password !

        Comment

        • BADJACK80
          Member
          • Mar 2020
          • 21
          • Erde

          #24
          Re: HP Probook 650 G2 won't turn on after bios chip replacement

          The laptop does not start up with the other dumps, i.e. the monitor remains black and only the fan turns up. I just flashed the dump of the identical model and now nothing works.

          Comment

          • lapfix
            Badcaps Legend
            • Mar 2020
            • 2764
            • my workshop

            #25
            Re: HP Probook 650 G2 won't turn on after bios chip replacement

            Try this..
            Attached Files

            Comment

            • BADJACK80
              Member
              • Mar 2020
              • 21
              • Erde

              #26
              Re: HP Probook 650 G2 won't turn on after bios chip replacement

              What do I have to enter for Feature Byte and Build ID? I have entered all other values, only with the two I am not sure what needs to be put in here. Or can I enter any values here?

              For the file the notebook starts up and is in programming mode.

              Comment

              • SMDFlea
                Super Moderator
                • Jan 2018
                • 21841
                • UK

                #27
                Re: HP Probook 650 G2 won't turn on after bios chip replacement

                Originally posted by BADJACK80
                What do I have to enter for Feature Byte and Build ID? I have entered all other values, only with the two I am not sure what needs to be put in here. Or can I enter any values here?

                For the file the notebook starts up and is in programming mode.
                You can find the build ID and featurebyte here: http://pro-psurf-web-glb.austin.hp.com/search.aspx
                Enter your serial number and country.

                Your featurebyte should also be on a sticker somewhere

                3Q3X47676J6Z6b7H7M7Q7W7s9AaBaEapaqawbhdQdUeh.Tm
                All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                Comment

                • BADJACK80
                  Member
                  • Mar 2020
                  • 21
                  • Erde

                  #28
                  Re: HP Probook 650 G2 won't turn on after bios chip replacement

                  I find only this Info on Partsurfer
                  Attached Files

                  Comment

                  • SMDFlea
                    Super Moderator
                    • Jan 2018
                    • 21841
                    • UK

                    #29
                    Re: HP Probook 650 G2 won't turn on after bios chip replacement

                    Click on Advanced(Unique Product S/N)
                    Last edited by SMDFlea; 04-09-2020, 11:35 AM.
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                    • BADJACK80
                      Member
                      • Mar 2020
                      • 21
                      • Erde

                      #30
                      Re: HP Probook 650 G2 won't turn on after bios chip replacement

                      Thanks for the information. I have entered all the data. Now this message comes
                      Attached Files

                      Comment

                      • SMDFlea
                        Super Moderator
                        • Jan 2018
                        • 21841
                        • UK

                        #31
                        Re: HP Probook 650 G2 won't turn on after bios chip replacement

                        See post #155: https://www.badcaps.net/forum/showth...t=52848&page=8
                        You can try that,or clean the ME firmware to make that error go away.Which bios did you use,its always a good idea to use one that has clean ME firmware.
                        Last edited by SMDFlea; 04-09-2020, 12:11 PM.
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                        • lapfix
                          Badcaps Legend
                          • Mar 2020
                          • 2764
                          • my workshop

                          #32
                          Re: HP Probook 650 G2 won't turn on after bios chip replacement

                          Which bios did you use !

                          Comment

                          • BADJACK80
                            Member
                            • Mar 2020
                            • 21
                            • Erde

                            #33
                            Re: HP Probook 650 G2 won't turn on after bios chip replacement

                            Originally posted by lapfix
                            Try this..

                            Your Bios

                            Comment

                            • lapfix
                              Badcaps Legend
                              • Mar 2020
                              • 2764
                              • my workshop

                              #34
                              Re: HP Probook 650 G2 won't turn on after bios chip replacement

                              clean one
                              Attached Files

                              Comment

                              • SMDFlea
                                Super Moderator
                                • Jan 2018
                                • 21841
                                • UK

                                #35
                                Re: HP Probook 650 G2 won't turn on after bios chip replacement

                                As youve already entered all the DMI info,i suggest you dump that bios again and post it here,then that bios can be cleaned with new ME firmware. @lapfix, PRD_RGN would be best.
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                                Comment

                                • BADJACK80
                                  Member
                                  • Mar 2020
                                  • 21
                                  • Erde

                                  #36
                                  Re: HP Probook 650 G2 won't turn on after bios chip replacement

                                  Here is the dump with all entries
                                  Attached Files

                                  Comment

                                  • lapfix
                                    Badcaps Legend
                                    • Mar 2020
                                    • 2764
                                    • my workshop

                                    #37
                                    Re: HP Probook 650 G2 won't turn on after bios chip replacement

                                    Originally posted by BADJACK80
                                    Here is the dump with all entries
                                    ME analyser detect many errors !

                                    Comment

                                    • BADJACK80
                                      Member
                                      • Mar 2020
                                      • 21
                                      • Erde

                                      #38
                                      Re: HP Probook 650 G2 won't turn on after bios chip replacement

                                      Should I do another dump?

                                      :::: EIDT :::::

                                      NEW DUMP
                                      Attached Files
                                      Last edited by BADJACK80; 04-09-2020, 01:39 PM.

                                      Comment

                                      • SMDFlea
                                        Super Moderator
                                        • Jan 2018
                                        • 21841
                                        • UK

                                        #39
                                        Re: HP Probook 650 G2 won't turn on after bios chip replacement

                                        Both your dumps are corrupt. I guess you`re using a clip and havnt desoldered the bios .
                                        Last edited by SMDFlea; 04-09-2020, 04:13 PM.
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                                        Comment

                                        • BADJACK80
                                          Member
                                          • Mar 2020
                                          • 21
                                          • Erde

                                          #40
                                          Re: HP Probook 650 G2 won't turn on after bios chip replacement

                                          Yes i use a clip. I didn't unsolder the chip.

                                          Is there no way to feed an original HP bios with the appropriate data and then flash the finished biosfile?

                                          Comment

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