So my keyboard works... but out of nowhere, extra keys will be pressed when I don't want them.

So most letters work... except for z, x, c.

I press z and it brings up the firefox shorcut sidebar (very weird). x goes to my previous banshee track. c goes to the next track (it should just type that letter).

Here is what I get when I run sudo showkey:


zkeycode  44 press
keycode 156 press
keycode  44 release
keycode 156 release


xkeycode  45 press
keycode 184 press
keycode  45 release
keycode 184 release


ckeycode  46 press
keycode 185 press
keycode  46 release
keycode 185 release

A normal letter is just one keycode, eg:

akeycode  30 press
keycode  30 release

Any help would be appreciated. I don't know how to get rid of these parasite keys or reset my keyboard.

I'm using Ubuntu 16.04.2, with Mate 1.12.1.

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