HP Elitebook 8460p battery led white and blinking orange

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  • jorpec
    Member
    • Feb 2015
    • 32
    • Portugal

    #1

    HP Elitebook 8460p battery led white and blinking orange

    Hello everyone

    I have this Elitebook that wont turn on, only the battery led is white and blinking orange, does this even without battery.
    If this is a error code i couldn't find any info about it.
    Already tested with a another charger, measure the presence on 19v on the 19v rail, checked if there was capacitors in short-circuit

    Thanks





  • mon2
    Badcaps Legend
    • Dec 2019
    • 13840
    • Canada

    #2
    Measure the voltage to ground on each pin of the battery pack on the board. Testing is the smbus scl and sda lines are ok.

    Comment

    • jorpec
      Member
      • Feb 2015
      • 32
      • Portugal

      #3
      Thanks for replying

      I checked the voltages of the battery pins on the board without the battery connected, and no shorts to the ground on pins except the gnd pins

      1,2 - positive 0.8v
      3 - sda - 0v
      4 - scl - 3,3v
      5 - ocp - 0v
      6 - bat-det - 3,3v
      7,8 - gnd

      Comment

      • mon2
        Badcaps Legend
        • Dec 2019
        • 13840
        • Canada

        #4
        3 - sda - 0v
        Remove all power. Meter in resistance mode. Measure the resistance to ground of this pin.

        Comment

        • jorpec
          Member
          • Feb 2015
          • 32
          • Portugal

          #5
          Originally posted by mon2

          Remove all power. Meter in resistance mode. Measure the resistance to ground of this pin.
          Thanks for your reply, the laptop belongs to a friend and i dont have it anymore, but i remember measure the resistance of sda and scl pins i dont remember the values but they seem normal

          Comment

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