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    hp 450 g5

    My HP Probook 450 G5 keeps turning on by itself after I shut the laptop down.
    Tried several BIOS versions and still the same problem
    Even when the charger is connected or the charger is removed, the laptop works immediately and there is no hard drive, keyboard or anything but the charging jack.
    But when I removed the wireless card, the problem was solved, and when I replaced a laptop with another card, the problem returned

    #2
    Re: hp 450 g5

    Post more details of the wifi card and model you are testing.

    The issue maybe the pin #1 = WAKE# line of the adapter.

    To test, apply a thin piece of tape onto pin #1 of the gold contact of the wifi card to mask the contact. Then test again.

    If this line is LOW, the logic board will wake up.

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