我正在尝试旋转连接到笔记本电脑 VGA 输出的双显示器。我的系统是 Ubuntu 15.10。
但是，这是我使用 xrandr 时得到的结果：
xrandr --output VGA-1-0 --rotate right
xrandr: output VGA-1-0 cannot use rotation "right" reflection "none"
我看过其他关于这个主题的帖子，都推荐编辑 xorg.conf。我也试过了。这是我当前的 xorg.conf 文件：
Section "ServerLayout"
Identifier "layout"
Screen 0 "nvidia"
Inactive "intel"
EndSection
Section "Device"
Identifier "intel"
Driver "modesetting"
BusID "PCI:0@0:2:0"
Option "AccelMethod" "None"
Option "RandRRotation" "True"
EndSection
Section "Screen"
Identifier "intel"
Device "intel"
EndSection
Section "Device"
Identifier "nvidia"
Driver "nvidia"
BusID "PCI:1@0:0:0"
Option "ConstrainCursor" "off"
Option "RandRRotation" "True"
EndSection
Section "Screen"
Identifier "nvidia"
Device "nvidia"
Option …