Windows 10: Some keys only work when pressed in combination with Fn key

Discus and support Some keys only work when pressed in combination with Fn key in Windows 10 Drivers and Hardware to solve the problem; Hello everyone, I have a strange issue with my keyboard and I can't seem to find other posts about it. When I press specific keys (L, down arrow, 9... Discussion in 'Windows 10 Drivers and Hardware' started by Thomas_Aub, Apr 14, 2019.

  1. THOMAS_AUB
    Thomas_Aub Win User

    Some keys only work when pressed in combination with Fn key


    Hello everyone,



    I have a strange issue with my keyboard and I can't seem to find other posts about it.

    When I press specific keys (L, down arrow, 9 on numpad), they sometimes are not recognized.

    For minutes at a time, I cannot press them on their own (issue is present in Office products, Chrome, games, etc.). Then, they seem to unlock and I can type them when I press long enough or when I press multiple times. Then, for a limited time, the keys act a 100% normally (though sometimes I have to press longer). A few minutes later, they are "locked" again.


    A weird thing is that when a key is "locked", I can still type it by pressing Fn key + the key I want, but nothing appears when I press them on their own. For the down arrow, the normal Fn + down arrow behavior is triggered (lower brightness), but I cannot scroll/change lines when I press it alone.


    I tried cleaning it with compressed air, removing the keycap to see what's underneath, using different key combinations to disable settings like Fn lock ( for example, Fn + num lock), rebooting, uninstalling keyboard driver and rebooting. All special settings for keyboards are disabled.


    Other questions mentioning a similar issue talk about Fn Lock, Sticky Keys or damaged keys but that doesn't seem to be the issue because none of those settings are enabled and the keys are still recognized in some circumstances.


    Thanks!


    Thomas A.

    :)
     
    Thomas_Aub, Apr 14, 2019
    #1
  2. P4-630
    P4-630 Win User

    New laptop FN keys not working [Solved]

    Exactly what I was used to do, pressing the FN key with an F key but that didn't work....
    If I press the FN key I get f1 f2 f3 and so on.

    It was just the other way around, but I figured it out now.*Smile Some keys only work when pressed in combination with Fn key :)
     
    P4-630, Apr 14, 2019
    #2
  3. BILL_BRIGHT
    Bill_Bright Win User
    FN key always on

    To clarify, I was saying "Accessibility" features maybe be controlled via the BIOS, not the Fn keys. And one of the Accessibility features makes the keys "sticky". This allows folks with some disabilities to press, for example, the Ctrl key, then the Alt key, and then Del in sequence instead of all at once. Same with the Fn key. The sticky feature would let you first press the Fn key, and then the F9 key (for example) and not Fn + F9 at the same time to enable/disable whatever Fn + F9 does with that notebook (it is the touchpad on my Toshiba).
     
    Bill_Bright, Apr 14, 2019
    #3
  4. P4-630
    P4-630 Win User

    Some keys only work when pressed in combination with Fn key

    New laptop FN keys not working [Solved]

    The FN key seems to be a toggle , I don't need to press it every time I want to adjust the volume or brightness.
    With all my previous laptops I needed to press the FN key WITH the f key I needed to use, so it works slightly different on this laptop than what I'm used to.
     
    P4-630, Apr 14, 2019
    #4
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Some keys only work when pressed in combination with Fn key

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