Ubuntu 无法识别显示器,切换扩展坞时无法充电

Ubuntu 无法识别显示器,切换扩展坞时无法充电

我在家里和办公桌上有不同的扩展坞。在家里,我有一个联想扩展坞,连接了一个外接显示器;在办公桌上,我有一个戴尔扩展坞,连接了两个外接显示器。

当我将笔记本电脑置于休眠状态,在家中断开对接站并在办公室将其唤醒并连接戴尔对接站时,只有一个显示器或没有显示器在工作。此外,笔记本电脑有时在连接到底座时不会充电。

xrandr 显示所有显示器都已连接,但是其中一个外部显示器没有信号。

当系统处于这种状态时,我再次将笔记本电脑置于休眠状态并将其唤醒,但我的主显示屏上却出现完全黑屏,我必须重新启动整个系统。

以下是 xrandr 输出:

Screen 0: minimum 320 x 200, current 5760 x 1080, maximum 16384 x 16384
eDP connected primary 1920x1080+3840+0 (normal left inverted right x axis y axis) 309mm x 174mm
   1920x1080     60.03*+
   1680x1050     60.03  
   1280x1024     60.03  
   1440x900      60.03  
   1280x800      60.03  
   1280x720      60.03  
   1024x768      60.03  
   800x600       60.03  
   640x480       60.03  
HDMI-A-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-1 disconnected (normal left inverted right x axis y axis)
DisplayPort-2 disconnected (normal left inverted right x axis y axis)
DisplayPort-3 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 527mm x 296mm
   1920x1080     60.00*+  50.00    59.94  
   1600x900      60.00  
   1280x1024     75.02    60.02  
   1152x864      75.00  
   1280x720      60.00    50.00    59.94  
   1024x768      75.03    60.00  
   800x600       75.00    60.32  
   720x576       50.00  
   720x480       60.00    59.94  
   640x480       75.00    60.00    59.94  
   720x400       70.08  
DisplayPort-4 connected (normal left inverted right x axis y axis)
   1920x1080     60.00 +
   1600x900      60.00  
   1280x1024     75.02    60.02  
   1152x864      75.00  
   1024x768      75.03    60.00  
   800x600       75.00    60.32  
   640x480       75.00    59.94  
   720x400       70.08  
DisplayPort-5 disconnected (normal left inverted right x axis y axis)
DVI-I-4-4 disconnected (normal left inverted right x axis y axis)
DVI-I-3-3 disconnected (normal left inverted right x axis y axis)
DVI-I-2-2 disconnected (normal left inverted right x axis y axis)
DVI-I-1-1 disconnected (normal left inverted right x axis y axis)

我已经在配备 Ryzen CPU/AMD GPU 的联想 T14 上安装了内核为 6.2.0-20 的 Ubuntu 23.04

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