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Notebook TERRA MOBILE 1541H

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    Notebook TERRA MOBILE 1541H

    Hi all members, I'm Antonio and I write my first post from Italy. I will explain my problem: I have a notebbok TERRA MOBILE 1541H with cpu i7 4712mq with motherboard Clevo 6-71-W2W50-D02 which, when switched on,black screen. has start LED on, working CD-DVD, hard disk that can be heard spinning, fan stopped and CPU which naturally heats up. So what's the problem? Corrupted bios or burnt motherboard?

    #2
    Re: Notebook TERRA MOBILE 1541H

    Open the Laptop, visual inspection, Voltage at all coils present? If yes, I'd indeed start with BIOS Firmware.
    FairRepair on YouTube

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      #3
      Re: Notebook TERRA MOBILE 1541H

      Ok. Thanks for the reply. As soon as I have free time check.

      Comment


        #4
        Re: Notebook TERRA MOBILE 1541H

        I don't know if it may be useful, but i attach the service manual of a similar models.
        Attached Files

        Comment


          #5
          Re: Notebook TERRA MOBILE 1541H

          This is photo motherboard . On the two chips near the PCH there are just a few numbers and that's it.
          Attached Files
          Last edited by antppe; 11-20-2021, 06:43 AM. Reason: insert photo

          Comment


            #6
            Re: Notebook TERRA MOBILE 1541H

            Originally posted by antppe View Post
            This is photo motherboard . On the two chips near the PCH there are just a few numbers and that's it.
            check these two chips, there should be the name of them on the pcb.
            If they correspond to U15 and U16 then they are Main bios and EC.
            Even if the name doesn't mach the schematics, try to check with a microscope or a magnifier the code over the top so you can identify what is it.
            Attached Files
            Last edited by speggio91; 11-20-2021, 07:39 AM.

            Comment


              #7
              Re: Notebook TERRA MOBILE 1541H

              The abbreviation on the one highlighted is 2940S - A
              423QB
              the other has the initials 20N03
              3M01
              Attached Files

              Comment


                #8
                Re: Notebook TERRA MOBILE 1541H

                https://www.alldatasheet.com/datashe.../EN25QH64.html

                https://www.alldatasheet.com/datashe.../EN25QH32.html

                Comment


                  #9
                  Re: Notebook TERRA MOBILE 1541H

                  Originally posted by antppe View Post
                  The abbreviation on the one highlighted is 2940S - A
                  423QB
                  the other has the initials 20N03
                  3M01
                  Those aren`t U15 and U16 ,the 20N03 is a mosfet.Look for U15 and U16 in white silkscreen
                  All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

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                    #10
                    Re: Notebook TERRA MOBILE 1541H

                    I found these on the EN25QH32 manual
                    EN25QH64

                    Comment


                      #11
                      Re: Notebook TERRA MOBILE 1541H

                      only these two are 8-pin

                      Comment


                        #12
                        Re: Notebook TERRA MOBILE 1541H

                        only these two are 8 pin
                        Attached Files

                        Comment


                          #13
                          Re: Notebook TERRA MOBILE 1541H

                          Originally posted by antppe View Post
                          The abbreviation on the one highlighted is 2940S - A
                          423QB
                          the other has the initials 20N03
                          3M01
                          Post good clear readable pictures of both chips ,and the silkscrren around them
                          All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

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                            #14
                            Re: Notebook TERRA MOBILE 1541H

                            Here are the pictures you asked for
                            Attached Files

                            Comment


                              #15
                              Re: Notebook TERRA MOBILE 1541H

                              Originally posted by antppe View Post
                              Here are the pictures you asked for
                              pictures of the chips on the motherboard
                              All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

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                                #16
                                Re: Notebook TERRA MOBILE 1541H

                                This is pictures of the chips on the motherboard
                                Attached Files

                                Comment


                                  #17
                                  Re: Notebook TERRA MOBILE 1541H

                                  With the phone they do not come well, this is the same as the card that is in my possession
                                  Attached Files
                                  Last edited by piernov; 11-26-2021, 03:47 AM. Reason: google translate

                                  Comment


                                    #18
                                    Re: Notebook TERRA MOBILE 1541H

                                    I think these are better
                                    Attached Files

                                    Comment


                                      #19
                                      Re: Notebook TERRA MOBILE 1541H

                                      These in the photo are the only 8-pin chips that could contain the bios

                                      Comment


                                        #20
                                        Re: Notebook TERRA MOBILE 1541H

                                        Originally posted by antppe View Post
                                        I think these are better
                                        The third picture,those are the bios chips.Gigadevice 25B32 and 25B64
                                        All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

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