I've found a solution!
I commented out all xkb-options in xorg.conf.
Section "InputDevice" Identifier "Generic Keyboard" Driver "kbd" Option "CoreKeyboard" # Option "XkbRules" "xorg" # Option "XkbModel" "pc105" # Option "XkbLayout" "se" EndSection
Now everything is back to normal. :D
I've found a solution!
I commented out all xkb-options in xorg.conf.
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "CoreKeyboard"
# Option "XkbRules" "xorg"
# Option "XkbModel" "pc105"
# Option "XkbLayout" "se"
EndSection
Now everything is back to normal. :D