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