Ubuntu升级=1监视器，卡在1024x768 (同一显卡)

Question

我有一个图形卡与4 DVI输出。在apt升级之前，我在1920x1080.现在我被困在1024x768上了。

下面是xrandr的输出：

Screen 0: minimum 320 x 200, current 4864 x 1536, maximum 16384 x 16384 DisplayPort-0 disconnected (normal left inverted right x axis y axis) DisplayPort-1 connected primary 1024x768+3840+0 (normal left inverted right x axis y axis) 0mm x 0mm 1024x768 60.00* 800x600 60.32 56.25
848x480 60.00
640x480 59.94
DisplayPort-2 connected 1024x768+3840+768 (normal left inverted right x axis y axis) 0mm x 0mm 1024x768 60.00* 800x600 60.32 56.25
848x480 60.00
640x480 59.94
HDMI-0 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 531mm x 299mm 1920x1080 60.00*+ 1280x1024 75.02 60.02
1152x864 75.00
1024x768 75.08 60.00
800x600 75.00 60.32
640x480 75.00 60.00
720x400 70.08
HDMI-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 531mm x 299mm 1920x1080 60.00*+ 1280x1024 75.02 60.02
1152x864 75.00
1024x768 75.08 60.00
800x600 75.00 60.32
640x480 75.00 60.00
720x400 70.08

Answer 1

找到解决方案:运行xrandr列出监视器(即，DisplayPort-1，DisplayPort-2，HDMI-0，HDMI-1将为我返回)

然后通过以下方式添加所需的分辨率: xrandr -添加模式显示端口-11900x1280

然后只需转到Settings ->显示，并从下拉列表中选择您的分辨率:)