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HP zBook 15 G3 - 5 blinks - System board error

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    HP zBook 15 G3 - 5 blinks - System board error

    Hi,

    Does anyone know or had this problem?
    I have an HP zBook 15 G3, when I power on fan spin fast and caps/num blinks 5 times ...

    Board seems to be clean, no water contact, nobody touch it ...

    In HP manual says that 5 blinks means 'System board error' can be from bios?

    Thanks!
    Stefan

    #2
    Re: HP zBook 15 G3 - 5 blinks - System board error

    It can be anything on the mainboard including Bios. you have to test the mainboard to figure it out. are all the power rails present?

    Comment


      #3
      Re: HP zBook 15 G3 - 5 blinks - System board error

      Originally posted by caspian View Post
      It can be anything on the mainboard including Bios. you have to test the mainboard to figure it out. are all the power rails present?
      All rails I saw them present
      Tried to write bios and ec, same thing…
      It is annoying because is a general error, System board error and doesn't point you to a right direction…

      I'm the first one that I opened it inside and the board was cleaned, no water or anything else…

      Comment


        #4
        Re: HP zBook 15 G3 - 5 blinks - System board error

        have you tried another RAM stick?
        It may indicate a GPU Error. just a possibility among many.
        how much do the CPU and the GPU get hot?

        Comment


          #5
          Re: HP zBook 15 G3 - 5 blinks - System board error

          Originally posted by caspian View Post
          have you tried another RAM stick?
          It may indicate a GPU Error. just a possibility among many.
          how much do the CPU and the GPU get hot?
          Tested with other RAM same thing…
          Should it work without GPU?

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