我在 Dell XPS-13 9380(英特尔显卡)上运行 Ubuntu 19.04。我有一个通过 HDMI 连接到 USB-C 集线器的外部显示器。当我在重新启动后插入显示器时,显示器始终会被检测到并且运行良好。当计算机处于唤醒状态时,我可以拔下集线器,然后重新插入,显示器就会恢复正常。xrandr这是监视器工作时的输出:
Screen 0: minimum 8 x 8, current 3840 x 1080, maximum 32767 x 32767
eDP1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 290mm x 160mm
1920x1080 60.03*+ 48.03
DP1 connected primary 1920x1080+1920+0 (normal left inverted right x axis y axis) 530mm x 300mm
1920x1080 60.00*+ 50.00 59.94
1920x1080i 60.00 50.00 59.94
1680x1050 59.88
1280x1024 60.02
1440x900 59.90
1280x800 59.91
1152x864 75.00
1280x720 60.00 50.00 59.94 …Run Code Online (Sandbox Code Playgroud)