Thinkpad A485 won't turn on

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  • fauzanmint
    Senior Member
    • Jun 2018
    • 77
    • Indonesia
    #1

    Thinkpad A485 won't turn on


    I am working on a Thinkpad A485 laptop, board code NM-B711 with a problem that it won't turn on.
    I checked this board using the BQ25700A charger ic. On the B+ output I get a voltage of 9.16 Volts (page 58th) is the B+ voltage normal?​
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    • fauzanmint
      Senior Member
      • Jun 2018
      • 77
      • Indonesia
      #2
      when i plug in the battery the voltage goes up to 12.1V and it is look like charging the battery
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        • mon2
          Badcaps Legend
          • Dec 2019
          • 13867
          • Canada
          #3
          Which part is the hottest in your thermal camera review? That is a suspect.

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