HP Omen 15 - short somewhare

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  • ktmmotocross
    Boardkiller
    • Feb 2014
    • 3573
    • slovakia

    #1

    HP Omen 15 - short somewhare

    Hello.
    Have this HP Omen 15 dag35dmbad0 rev d, that have shorted fet on main rail. i repaired main rail and now charging and have power.
    But when i push start button, i only hear CLICK and whole power is reseted.
    I measure coils and have short on GPU coils and voltages are making only in 3.3 and 5v rails

    I removed GPU coils but short looks like on GPU side. Even without coisl power still reset when start button is presed
    Attached Files
    Last edited by ktmmotocross; 06-14-2020, 02:05 AM.
  • ktmmotocross
    Boardkiller
    • Feb 2014
    • 3573
    • slovakia

    #2
    Re: HP Omen 15 - short somewhare

    without GPU and CPU coils power is building in 1.0V , 1.2V 3.3V, 5V rails but still have power reset

    i even injected VIN but after start normal currwnt occurs and same power reset, so that reset must be logic not because of short
    Last edited by ktmmotocross; 06-14-2020, 02:42 AM.

    Comment

    • caspian
      Badcaps Legend
      • Oct 2015
      • 1589
      • Laptop

      #3
      Re: HP Omen 15 - short somewhare

      how much resistance is on the shorted GPU?
      can this laptop be converted to UMA?

      Comment

      • ktmmotocross
        Boardkiller
        • Feb 2014
        • 3573
        • slovakia

        #4
        Re: HP Omen 15 - short somewhare

        without capacitors 1.3ohm, with capacitors 0.6ohm

        Comment

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