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Need help with Dell Inspiron 15 5558 backlight.

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    Need help with Dell Inspiron 15 5558 backlight.

    Had a computer my new tech was replacing a broken lcd screen on. Idiot didn't remove the battery like I told him to and fried something on the board. I'm very good at de-soldering and soldering but I have no clue what to replace. Can anyone help direct me to find out what I need to replace to fix this issue?

    I tried plugging in the original monitor which worked, just had a giant crack going down the screen and of course that one did not work either.

    Thanks for your time.
    Attached Files
    Last edited by elementalwindx; 02-09-2016, 02:52 PM.

    #2
    Re: Need help with Dell Inspiron 15 5558 backlight.

    Have you checked the fuse just under and to the right of screen connector, p1524 is marked on it

    Comment


      #3
      Re: Need help with Dell Inspiron 15 5558 backlight.

      check for lcd_vdd voltage as well.
      sigpic

      Comment


        #4
        Re: Need help with Dell Inspiron 15 5558 backlight.

        i need schematic la-b843p dell 5558 urgent plz.

        Comment


          #5
          Re: Need help with Dell Inspiron 15 5558 backlight.

          I NEED la-b843p dell 5558 BIOS PLZ

          Comment


            #6
            Re: Need help with Dell Inspiron 15 5558 backlight.

            I also need dell inspiron 15 5558 BIOS please

            Comment


              #7
              Dell Inspiron 15 5558 BIOS ROM file

              i need dell inspiron 15 5558 BIOS ROM file , can't extract ROM file from dell site BIOS

              Comment


                #8
                Re: Need help with Dell Inspiron 15 5558 backlight.

                Here is the bios have not tested please let me know if it works.
                Attached Files

                Comment


                  #9
                  Re: Need help with Dell Inspiron 15 5558 backlight.

                  test external display is ok on not

                  Comment


                    #10
                    Re: Need help with Dell Inspiron 15 5558 backlight.

                    Check the lcd backlight secuit if all voltage is complete it should be fuse 19v on charger 3v and 3v for signal

                    Comment


                      #11
                      Re: Need help with Dell Inspiron 15 5558 backlight.

                      This BIOS working properly for inspiron 15 - 5558 , Thanks "cyberhack"

                      Comment


                        #12
                        Re: Need help with Dell Inspiron 15 5558 backlight.

                        i need la-b843p schematic diagram please any one send
                        thanks

                        Comment


                          #13
                          Re: Need help with Dell Inspiron 15 5558 backlight.

                          Thanks

                          Comment


                            #14
                            Re: Need help with Dell Inspiron 15 5558 backlight.

                            anyone here have EC file for this motherboard?

                            LA-b483p my chip is only 4mb capacity

                            thanks if someone can provide .. this is the original file
                            Attached Files

                            Comment


                              #15
                              Re: Need help with Dell Inspiron 15 5558 backlight.

                              thank u

                              Comment


                                #16
                                Re: Need help with Dell Inspiron 15 5558 backlight.

                                Originally posted by elementalwindx View Post
                                Had a computer my new tech was replacing a broken lcd screen on. Idiot didn't remove the battery like I told him to and fried something on the board. I'm very good at de-soldering and soldering but I have no clue what to replace. Can anyone help direct me to find out what I need to replace to fix this issue?

                                I tried plugging in the original monitor which worked, just had a giant crack going down the screen and of course that one did not work either.

                                Thanks for your time.
                                any one solution

                                Comment


                                  #17
                                  Re: Need help with Dell Inspiron 15 5558 backlight.

                                  i need la-b843p schematic dell 15-5558

                                  Comment


                                    #18
                                    Re: Need help with Dell Inspiron 15 5558 backlight.

                                    Here is.
                                    Attached Files

                                    Comment


                                      #19
                                      Re: Need help with Dell Inspiron 15 5558 backlight.

                                      Originally posted by imranromi View Post
                                      Here is.
                                      Thanks

                                      Comment


                                        #20
                                        Re: Need help with Dell Inspiron 15 5558 backlight.

                                        Originally posted by imranromi View Post
                                        Here is.
                                        Thank you for that schematic digram

                                        Comment

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