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I am using an external keyboard on my laptop and the Super key doesn't work. The laptop's keyboard works just fine, every key is regularly detected.

I tried using xinput to debug this issue. Here you can see the output of xinput list, the device I am having issues with is the Cooler Master Technology Inc. MasterKeys Pro L White.

⎡ Virtual core pointer                      id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ SynPS/2 Synaptics TouchPad                id=15   [slave  pointer  (2)]
⎜   ↳ Bluetooth  Mouse                          id=16   [slave  pointer  (2)]
⎣ Virtual core keyboard                     id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ↳ Power Button                              id=6    [slave  keyboard (3)]
    ↳ Video Bus                                 id=7    [slave  keyboard (3)]
    ↳ Video Bus                                 id=8    [slave  keyboard (3)]
    ↳ Power Button                              id=9    [slave  keyboard (3)]
    ↳ Sleep Button                              id=10   [slave  keyboard (3)]
    ↳ Chicony USB 2.0 Camera: Chicony           id=13   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=14   [slave  keyboard (3)]
    ↳ Cooler Master Technology Inc. MasterKeys Pro L White  id=11   [slave  keyboard (3)]
    ↳ Cooler Master Technology Inc. MasterKeys Pro L White  id=12   [slave  keyboard (3)]

I tried running xinput test-xi2 12 to see if the events from the keyboard where issued. All keys are working except for the super keys. I tested the keyboard with my desktop PC and all keys are working fine.

I am running Ubuntu 16.04.5 with kernel version 4.13.0-45-generic, Unity as Desktop Environment and Compiz as Windows Manager.

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Make sure you didn't disable the super key from the keyboard. I have CM Storm Quickfire TK, everything works fine. I can enable gaming mode on the keyboard, and thus disable the super key altogether.

  • Thank you for the answer, I didn't know about this lock key. Now the super key is working fine. – Fabrizio Destro Jul 25 '18 at 20:12
  • same problem here with an Avell notebook. – coderade Feb 7 at 16:02
  • Thank you! My Logitech G710+ keyboard apparently has a key like that as well. :) – L42 May 24 at 17:26

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