我的戴尔 Inspiron 15-3567 不再识别 HDMI 输出

Question

截至今天，我的 HDMI 输出似乎无法连接到我的第二台显示器。

xrandr --prop

Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
eDP-1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
    EDID: 
        00ffffffffffff0009e5c20600000000
        011a0104952213780a24109759548e27
        1e505400000001010101010101010101
        010101010101641b5677500013303020
        360058c21000001aa21756b950002d30
        3020360058c21000001a000000fe0048
        584e4e4a804e54313554303000000000
        00004101940110000009010a20200002
    scaling mode: Full aspect 
        supported: Full, Center, Full aspect
    Broadcast RGB: Automatic 
        supported: Automatic, Full, Limited 16:235
    audio: auto 
        supported: force-dvi, off, auto, on
    non-desktop: 0 
        range: (0, 1)
    link-status: Good 
        supported: Good, Bad
   1366x768      60.00*+  47.98  
   1360x768      59.80    59.96  
   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 

➜ ~ ls /sys/class/drm card0 card0-eDP-1 renderD128 版本

➜〜inxi-SMCGx

System:    Host: anthony-ubuntu Kernel: 4.15.0-48-generic x86_64
           bits: 64 gcc: 7.3.0
           Desktop: Gnome 3.28.3 (Gtk 3.22.30-1ubuntu3)
           Distro: Ubuntu 18.04.2 LTS
Machine:   Device: laptop System: Dell product: Inspiron 15-3567 serial: N/A
           Mobo: Dell model: 04YVDP v: A00 serial: N/A
           UEFI: Dell v: 2.5.1 date: 05/31/2018
CPU:       Dual core Intel Core i5-7200U (-MT-MCP-) 
           arch: Kaby Lake rev.9 cache: 3072 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 10848
           clock speeds: max: 3100 MHz 1: 790 MHz 2: 778 MHz 3: 738 MHz
           4: 745 MHz
Graphics:  Card: Intel HD Graphics 620 bus-ID: 00:02.0
           Display Server: x11 (X.Org 1.19.6 ) driver: i915
           Resolution: [email protected]
           OpenGL: renderer: Mesa DRI Intel HD Graphics 620 (Kaby Lake GT2)
           version: 4.5 Mesa 18.2.8 Direct Render: Yes

我尝试了以下操作：使用“ sudo apt update && sudo apt upgrade ”更新系统

尝试了 sudo xrandr --addmode HDMI-1 --auto；但由于它甚至看不到 HDMI 输出，所以不起作用。

请提供想法和建议？:D