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HP 15-e0 no display

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    HP 15-e0 no display

    hi friend
    HP 15-e0 no display
    MB DA0R62MB6E0 REV E
    mb coils values
    pl17 1.5 v ok
    pl8 1.8v ok
    pl35 .93v ok
    pl34 .93v ok
    pl30 1.05v ok
    pl32 .9v ok
    pl20,pl23 1.1v ok
    pl29 .95v ok
    pl37 0v
    i was change pu17 with no result
    pl37 resistance with gnd is 2.0 ohm
    pu17 pins values
    pin1 4.9v
    pn2 4.9v
    pin3 2.6v
    pin4 5v
    pin5 2.6v
    pin6 gnd
    pin7 0v
    pin8 0v
    i flashed another bios file and convert mb to uma by shift
    r256 to r273
    r878 to 879
    r814 to r529
    remove pl20,pl23
    with no result
    can any one help me?
    Attached Files

    #2
    Re: HP 15-e0 no display

    So you have gfx core missing on Pl37. Did you tried with another known good PC3-L ram stick?? Dramrst present on pin30 of ram slot?? I'll still bet for a bad bios. flash another known good bios.

    Comment


      #3
      Re: HP 15-e0 no display

      Originally posted by mcplslg123 View Post
      So you have gfx core missing on Pl37. Did you tried with another known good PC3-L ram stick?? Dramrst present on pin30 of ram slot?? I'll still bet for a bad bios. flash another known good bios.
      thanks friend
      i tried another ram stick
      i will try another bios file

      Comment


        #4
        Re: HP 15-e0 no display

        job done
        PU17 was faulty

        Comment


          #5
          Re: HP 15-e0 no display

          Originally posted by menshawy View Post
          job done
          PU17 was faulty
          Good job 👏 if you can upload the working Bios Dump

          Comment


            #6
            Re: HP 15-e0 no display

            Originally posted by menshawy View Post
            job done
            PU17 was faulty
            is vcore chip? or not

            Comment


              #7
              Re: HP 15-e0 no display

              Originally posted by digitalpc View Post
              is vcore chip? or not
              Yes it is. +VCC_GFX

              Comment


                #8
                Re: HP 15-e0 no display

                Originally posted by techtiger View Post
                Good job 👏 if you can upload the working Bios Dump
                thanks friend
                i will

                Comment

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