我無法讓顯示器將更新率設定為 120hz。我使用的是 nvidia gtx 970。現在我使用的是 Ubuntu 14.x，它不允許我將其設定為 120 Hz。請指教。
$ xrandr
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DVI-D-0 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 521mm x 293mm
1920x1080 60.0*+ 120.0 99.9
1440x900 119.9
1280x1024 120.0 75.0 60.0
1024x768 120.0 75.0 60.0
800x600 120.0 75.0 60.3
640x480 120.0 75.0 59.9
$ xrandr -r 120
Rate 120.0 Hz not available for this size
答案1
剛剛讀到其他人有類似的問題，並看到他們正在使用 nvidia 設置
sudo nvidia-settings
我在菜單上更改了它並且它起作用了。為什麼 xrandr 不起作用？