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在 Xubuntu 18 中无法为我的显示器添加模式

tag-icon • tag-icon 18.04 nvidia xubuntu
在 Xubuntu 18 中无法为我的显示器添加模式

我正在尝试为我的显示器添加新的分辨率。我通过安装了 NVIDIA 驱动程序ubuntu-drivers。我的显卡是 GeForce GTX 1660 Ti。唯一可用的分辨率是 1920x1080，在我的笔记本电脑上看起来相当不错，但问题是文字有点小。所以我想稍微降低一下分辨率（以增加图标、文本等）。当我运行时：

xrandr

我得到：


Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 32767 x 32767
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)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-4 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 193mm
   1920x1080    144.00*+
DP-5 disconnected (normal left inverted right x axis y axis)
DP-6 disconnected (normal left inverted right x axis y axis)

如果我尝试添加新模式：

xrandr --newmode "1440x900_144.00"  280.00  1440 1560 1712 1984  900 903 909 981 -hsync +vsync

它被添加到不同的输出：

xrandr


Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 32767 x 32767
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)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-4 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 193mm
   1920x1080    144.00*+
DP-5 disconnected (normal left inverted right x axis y axis)
DP-6 disconnected (normal left inverted right x axis y axis)
  1440x900_144.00 (0x255) 280.000MHz -HSync +VSync
        h: width  1440 start 1560 end 1712 total 1984 skew    0 clock 141.13KHz
        v: height  900 start  903 end  909 total  981           clock 143.86Hz

最后，如果我尝试将此模式添加到连接的输出：

xrandr --output DP-4 --mode "1440x900_144.00"

我得到：

xrandr: cannot find mode 1440x900_144.00

有人能帮助我吗？

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