I am running on Linux Mint and I use CTRL + ALT + L to lock my keyboard. But now since 2 days it stopped working. Nothing happens when I use this key combination.

When I go to:

Menu > Keyboard > Keyboard shortcuts > System > Lock Screen I see the Keyboard binding and it says CTRL - ALT - l

So this seems to be OK, but it still doesn't work.

Any suggestions?

  • Have you logged in as a guest user? – Thushi Jul 16 '15 at 8:48
  • No I am logging on with my own user account – sanders Jul 16 '15 at 8:57

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