Nvidia GTX960M 外置 HDMI 无法在 Ubuntu 18.04 LTS 上使用

Nvidia GTX960M 外置 HDMI 无法在 Ubuntu 18.04 LTS 上使用

我在 Acer Aspire VN7-592G 上安装了 18.04 LTS Ubuntu。这台笔记本电脑配备了 Nvidia 独立显卡 GTX960M。在下面,您将找到 lspci 结果(grepping 3D 和 VGA):

01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 960M] (rev a2)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530 (rev 06)

至于驱动程序,我安装了在 Ubuntu repo 上找到的 Nvidia 390.116 驱动程序。现在,我的问题是:我看不到连接到 HDMI 端口的任何外部显示器。

xrandr命令的结果如下:

Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 346mm x 194mm
   3840x2160     60.00 +  59.98    59.97  
   3200x1800     59.96    59.94  
   2880x1620     59.96    59.97  
   2560x1600     59.99    59.97  
   2560x1440     59.99    59.99    59.96    59.95  
   2048x1536     60.00  
   1920x1440     60.00  
   1856x1392     60.01  
   1792x1344     60.01  
   2048x1152     59.99    59.98    59.90    59.91  
   1920x1200     59.88    59.95  
   1920x1080     60.01    59.97    59.96*   59.93  
   1600x1200     60.00  
   1680x1050     59.95    59.88  
   1600x1024     60.17  
   1400x1050     59.98  
   1600x900      59.99    59.94    59.95    59.82  
   1280x1024     60.02  
   1440x900      59.89  
   1400x900      59.96    59.88  
   1280x960      60.00  
   1440x810      60.00    59.97  
   1368x768      59.88    59.85  
   1360x768      59.80    59.96  
   1280x800      59.99    59.97    59.81    59.91  
   1152x864      60.00  
   1280x720      60.00    59.99    59.86    59.74  
   1024x768      60.04    60.00  
   960x720       60.00  
   928x696       60.05  
   896x672       60.01  
   1024x576      59.95    59.96    59.90    59.82  
   960x600       59.93    60.00  
   960x540       59.96    59.99    59.63    59.82  
   800x600       60.00    60.32    56.25  
   840x525       60.01    59.88  
   864x486       59.92    59.57  
   800x512       60.17  
   700x525       59.98  
   800x450       59.95    59.82  
   640x512       60.02  
   720x450       59.89  
   700x450       59.96    59.88  
   640x480       60.00    59.94  
   720x405       59.51    58.99  
   684x384       59.88    59.85  
   680x384       59.80    59.96  
   640x400       59.88    59.98  
   576x432       60.06  
   640x360       59.86    59.83    59.84    59.32  
   512x384       60.00  
   512x288       60.00    59.92  
   480x270       59.63    59.82  
   400x300       60.32    56.34  
   432x243       59.92    59.57  
   320x240       60.05  
   360x202       59.51    59.13  
   320x180       59.84    59.32  
DP-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
HDMI-2 disconnected (normal left inverted right x axis y axis)

在之前的安装中,我尝试切换到 lightdm、Wayland、将“addmode”添加到 xrandr 并手动激活该模式(如https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1771185)。什么都没起作用。

有什么建议吗?

谢谢你!

答案1

喝了一杯冰啤酒并读了这篇文章后,我似乎找到了解决方案:

https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1771185/comments/26

安装删除了我的 xserver-xorg 输入。因此,在安装了上一个链接中建议的软件包后,我发出了以下命令:

 sudo apt install xserver-xorg-input-all

现在它起作用了!!

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