我有双显示器设置,想要旋转其中一个屏幕,我查找了如何操作,但出现错误:
{20:17}~ ➭ xrandr
Screen 0: minimum 8 x 8, current 3840 x 1080, maximum 16384 x 16384
eDP1 connected primary 1920x1080+0+0 345mm x 194mm
1920x1080 60.0*+ 59.9
1680x1050 60.0 59.9
1600x1024 60.2
1400x1050 60.0
1280x1024 60.0
1440x900 59.9
1280x960 60.0
1360x768 59.8 60.0
1152x864 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
DP1 disconnected
HDMI1 disconnected
HDMI2 connected 1920x1080+1920+0 527mm x 296mm
1920x1080 60.0*+ 50.0 59.9
1920x1080i 60.1 50.0 60.0
1600x1200 60.0
1600x900 60.0
1280x1024 75.0 60.0
1152x864 75.0
1280x720 60.0 50.0 59.9
1024x768 75.1 60.0
800x600 75.0 60.3
720x576 50.0
720x576i 50.1
720x480 60.0 59.9
720x480i 60.1 60.1
640x480 75.0 60.0 59.9
720x400 70.1
VIRTUAL1 disconnected
{20:17}~ ➭ xrandr --output HDMI2 --rotate left
xrandr: output HDMI2 cannot use rotation "left" reflection "none"
那么为什么我不能旋转 HDMI2 输出?我使用 Ubuntu 14.04 并使用 NVIDIA 驱动程序。