Toshiba l40 18w not working

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  • innocentforeign
    innocentforeign
    • Jun 2013
    • 172
    • KSA
    #1

    Toshiba l40 18w not working

    HI
    every one i got a toshiba machine form customer , he say laptop fan was close from 2 days and now machine not working . i check it and open machine north bridge side was full from paste now just charger lEd working 2.1 volt coming at power button please help
    Tags: None
    • DJduck
      Badcaps Veteran
      • Dec 2012
      • 229
      • Estonia
      #2
      Re: Toshiba l40 18w not working

      "he say laptop fan was close from 2 days". Do you mean that the fan did not run for two days? If so, you probably have a fried cpu/gpu/chipset/mosfets under the heatsink/all of those problems.
      I can put text here?!

        Comment

        • innocentforeign
          innocentforeign
          • Jun 2013
          • 172
          • KSA
          #3
          Re: Toshiba l40 18w not working

          yes but he use extrnal fan after open i saw fan was full from dust


          now how can i fix this problem

            Comment

            • DJduck
              Badcaps Veteran
              • Dec 2012
              • 229
              • Estonia
              #4
              Re: Toshiba l40 18w not working

              Try a different CPU, reflow the GPU and chipset.
              I can put text here?!

                Comment

                • ben7
                  Capaholic
                  • Jan 2011
                  • 4059
                  • USA
                  #5
                  Re: Toshiba l40 18w not working

                  Likely killed the heatsinked part(s).

                  Even using an external fan, if the heatsink is plugged with dust, you will get a fried chip...
                  Muh-soggy-knee

                    Comment

                    • innocentforeign
                      innocentforeign
                      • Jun 2013
                      • 172
                      • KSA
                      #6
                      Re: Toshiba l40 18w not working

                      thanks
                      after change cpu bord working now display not coming caps lock num lock not working i reflow gpu but same problem no display

                        Comment

                        • innocentforeign
                          innocentforeign
                          • Jun 2013
                          • 172
                          • KSA
                          #7
                          Re: Toshiba l40 18w not working

                          any idea how to fix it

                            Comment

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