Сбилось разрешение экрана

$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 640 x 480, current 1024 x 768, maximum 1024 x 768
default connected 1024x768+0+0 0mm x 0mm
   1024x768      61.00* 
   800x600       61.00  
   640x480       60.00  

$ nvidia-settings 
ERROR: nvidia-settings could not find the registry key file. This file
       should have been installed along with this driver at
       /usr/share/nvidia/nvidia-application-profiles-key-documentation.
       The application profiles will continue to work, but values
       cannot be preopulated or validated, and will not be listed in
       the help text. Please see the README for possible values and
       descriptions.