compaq cq40 INTEL

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  • ry x hunter
    Senior Member
    • Jun 2013
    • 184
    • philippines

    #1

    compaq cq40 INTEL

    i hav problem with this model compaq cq40 intel processor. the problem is no power and no charging indicator at his side.. i try to test the mosfet located along dc pin but all is good.. any idea to fix this problem... thank u very much...
  • kimrocco
    Senior Member
    • Jan 2014
    • 56
    • F2

    #2
    Re: compaq cq40 INTEL

    reflash bios

    Comment

    • 3d0
      Senior Member
      • Jan 2014
      • 159
      • BiH

      #3
      Re: compaq cq40 INTEL

      Have you checked the oscillator IC for 3.3V and 5V?

      Comment

      • ry x hunter
        Senior Member
        • Jun 2013
        • 184
        • philippines

        #4
        Re: compaq cq40 INTEL

        Originally posted by kimrocco
        reflash bios
        how can i do that sir? it cant turn on the laptop anymore so how can i flash the bios..??

        Comment

        • ry x hunter
          Senior Member
          • Jun 2013
          • 184
          • philippines

          #5
          Re: compaq cq40 INTEL

          Originally posted by 3d0
          Have you checked the oscillator IC for 3.3V and 5V?
          where can i find that oscillator ic sir?

          Comment

          • 3d0
            Senior Member
            • Jan 2014
            • 159
            • BiH

            #6
            Re: compaq cq40 INTEL

            Originally posted by ry x hunter
            where can i find that oscillator ic sir?
            Take some pictures of your motherboard.

            Comment

            • mahi
              New Member
              • Oct 2014
              • 1
              • Bangladesh

              #7
              Re: compaq cq40 INTEL

              my cq40 intel start with battery and capslock led blinking but not start with
              adapter.
              i saw pq103 (4835 ) mosfet s=19v, g=18.6v and d=0v.
              if i short source and drain of that mosfet each volt is ok but not start.

              have u any idea?

              Comment

              • sasser
                Badcaps Veteran
                • Dec 2012
                • 364
                • Malaysia

                #8
                Re: compaq cq40 INTEL

                Usually problem with bios. Try suggestion from kimrocco

                Comment

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