我使用以下xrandr
命令将我的17英寸笔记本电脑与27英寸外接显示器镜像,因此可以使用它进行演示:
xrandr --output LVDS1 --mode 1600x900 --output HDMI1 --mode 1920x1080 --same-as LVDS1
但是,外部监视器(HDMI1)的分辨率降为1600x900,而不是1920x1080。
xrandr输出:
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
LVDS1 connected primary (normal left inverted right x axis y axis
1600x900 60.0 +
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 598mm x 336mm
1920x1080 60.0*+
1680x1050 59.9
1280x1024 75.0 60.0
1440x900 75.0 59.9
1280x960 60.0
1152x864 75.0
1024x768 75.1 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 72.8 75.0 66.7 60.0
720x400 70.1
DP1 disconnected (normal left inverted right x axis y axis)