查看本本的显示器LVDS1信息
daitr@aa:~$ xrandr
Screen 0: minimum 320 x 200, current 2646 x 1024, maximum 8192 x 8192
LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 309mm x 174mm
1366x768 60.0*+
1360x768 59.8 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
另一个显示VGA1的信息
VGA1 connected 1280x1024+1366+0 (normal left inverted right x axis y axis) 376mm x 301mm
1280x1024 60.0*+ 75.0
1152x864 75.0
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
HDMI1 disconnected (normal left inverted right x axis y axis)
DP1 disconnected (normal left inverted right x axis y axis)
将显示器显示在本本的右侧：
daitr@aa:~$ xrandr --ouput VGA1 --auto --right-of LVDS1
关掉显示器VGA1
daitr@aa:~$ xrandr --output VGA1 --off
开启显示器VGA1
daitr@aa:~$ xrandr --output VGA1 --auto
开启显示器VGA1在右侧
daitr@aa:~$ xrandr --output VGA1 --auto --right of