无法在 ubuntu 16.04 中更改屏幕分辨率

无法在 ubuntu 16.04 中更改屏幕分辨率

我无法单击“显示”中的按钮来更改分辨率,它是灰色的。

显示:

显示器

当我使用 xrandr 时,出现以下消息:

(base) cv@cv-MS-7B17:~$ xrandr
Screen 0: minimum 8 x 8, current 1024 x 768, maximum 32767 x 32767
HDMI-0 disconnected primary 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)
  1024x768 (0x1be) 65.000MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock  48.36KHz
        v: height  768 start  771 end  777 total  806           clock  60.00Hz
(base) cv@cv-MS-7B17:~$ xrandr --size 1600x900
Failed to change the screen configuration!

这是否意味着我的显示器有问题?

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