运行 Ubuntu 18.04 的 HP ZBook Studio G4 上 Dell U2715H 黑屏

运行 Ubuntu 18.04 的 HP ZBook Studio G4 上 Dell U2715H 黑屏

刚刚收到一个外接显示器。第一次插入后,它工作正常,但我试图解决外接显示器和内置显示器之间的分辨率问题。重新启动后,显示器不再工作,直接进入省电模式,或者根本无法检测到,具体取决于所用的电缆。似乎有几个人遇到了类似的问题,但我目前找到的解决方案对我没有用。希望有人能对此有所启发。TIA。

Distributor ID: Ubuntu
Description:    Ubuntu 18.04.3 LTS
Release:    18.04
Codename:   bionic

xrandr

Screen 0: minimum 8 x 8, current 3840 x 2160, maximum 16384 x 16384
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 connected primary 3840x2160+0+0 (normal left inverted right x axis y axis) 346mm x 194mm
   3840x2160     60.00*+  50.00    48.02  
DP-4 disconnected (normal left inverted right x axis y axis)

lshw -c video

  *-display                 
       description: VGA compatible controller
       product: GM107GLM [Quadro M1200 Mobile]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci@0000:01:00.0
       version: a2
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
       configuration: driver=nvidia latency=0
       resources: irq:133 memory:e3000000-e3ffffff memory:a0000000-afffffff memory:b0000000-b1ffffff ioport:5000(size=128) memory:c0000-dffff

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