$ xrandr
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 32767 x 32767
HDMI-0 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 521mm x 293mm
1920x1080 60.00*+ 59.94 50.00
1680x1050 59.95
1600x900 60.00
1440x900 59.89
1280x1024 60.02
1280x800 59.81
1280x720 60.00 59.94 50.00
1024x768 70.07 60.00
800x600 72.19 60.32 56.25
720x576 50.00
720x480 59.94
640x480 72.81 59.94
eDP-1-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
1920x1080 60.02*+ 40.03
HDMI-1-1 disconnected (normal left inverted right x axis y axis)
使用nvidia-settings，请看附件