我无法通过HDMI连接到外接显示器。 HDMI端口适用于Windows 10，但不适用于Ubuntu 16.04。
系统规格： 操作系统：Ubuntu 16.04
内核：4.4.0-96-generic
GPU：Nvidia Quadro M2000M
Nvidia司机：384.111
根据http://www.nvidia.com/download/driverResults.aspx/128737/en-us
，驱动程序和GPU可兼容Xrandr的输出：
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 32767 x 32767
eDP1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
1920x1080 60.02*+ 59.93 48.00
1680x1050 59.95 59.88
1600x1024 60.17
1400x1050 59.98
1600x900 60.00
1280x1024 60.02
1440x900 59.89
1280x960 60.00
1368x768 60.00
1360x768 59.80 59.96
1152x864 60.00
1280x720 60.00
1024x768 60.00
1024x576 60.00
960x540 60.00
800x600 60.32 56.25
864x486 60.00
640x480 59.94
720x405 60.00
640x360 60.00
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
输出sudo lshw -C视频：
*-display UNCLAIMED
description: VGA compatible controller
product: GM107GLM [Quadro M2000M]
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
configuration: latency=0
resources: memory:d3000000-d3ffffff memory:c0000000-cfffffff memory:d0000000-d1ffffff ioport:4000(size=128) memory:d4000000-d407ffff
*-display
description: VGA compatible controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 06
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
configuration: driver=i915_bpo latency=0
resources: irq:131 memory:d2000000-d2ffffff memory:90000000-9fffffff ioport:5000(size=64)