Ubuntu 分辨率更改 xrandr Failed to get size of gamma for output default
一，问题
版本信息描述： Ubuntu 16.04 LTS
安装了Ubuntu后分辨率和显示器不匹配。
使用了来自https://www.cnblogs.com/heenhui2016/p/8243103.html的方法
sudo vim /etc/xorg.conf
copy:
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
HorizSync 28.0 - 70.0
VertRefresh 56.0 - 75.0
EndSection
Section "Device"
Identifier "VMware SVGA"
Driver "vesa"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1920x1080_60.00"
EndSubSection
EndSection
:wq!（保存，好像还不能自动切换分辨率，手动设置分辨率后可以
Ubuntu 分辨率更改 xrandr Failed to get size of gamma for output default
原文：https://www.cnblogs.com/7star/p/12875168.html