我已将其发布在超级用户论坛中，但没有得到任何回复，因此我将其发布在这里。
笔记本电脑：华硕 ROG Strix，G531GT-AL041T，G Core i7 第 9 代，配备 NVIDIA Geforce GTX 1650 显卡。戴尔 22 英寸全高清显示器 (E2218HN) 通过 HDMI 电缆连接。外接显示器在笔记本电脑的默认 Windows 操作系统下运行良好，但在 Linux Mint 19.2 Tina 操作系统下运行不佳。通过 HDMI 电缆未检测到信号。即使在“首选项”->“显示”中，笔记本电脑也无法检测到外接显示器的显示。我还安装了推荐的 nvidia-430 驱动程序。如何让 HDMI 连接的外接显示器工作？请帮忙。以下是一些必需的信息：
因西-Fxz
System: Host: brahman Kernel: 4.15.0-58-generic x86_64 bits: 64 compiler: gcc v: 7.4.0 Desktop: Cinnamon 4.2.3
Distro: Linux Mint 19.2 Tina base: Ubuntu 18.04 bionic
Machine: Type: Laptop System: ASUSTeK product: Strix G531GT_G531GT v: 1.0 serial: <filter>
Mobo: ASUSTeK model: G531GT v: 1.0 serial: <filter> UEFI: American Megatrends v: G531GT.300 date: 04/19/2019
Battery: ID-1: BAT0 charge: 49.4 Wh condition: 49.4/50.5 Wh (98%) model: ASUSTeK ASUS Battery status: Not charging
CPU: Topology: 6-Core model: Intel Core i7-9750H bits: 64 type: MT MCP arch: Kaby Lake rev: A L2 cache: 12.0 MiB
flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 62208
Speed: 899 MHz min/max: 800/4500 MHz Core speeds (MHz): 1: 803 2: 845 3: 801 4: 854 5: 830 6: 830 7: 849 8: 838
9: 829 10: 853 11: 802 12: 817
Graphics: Device-1: Intel vendor: ASUSTeK driver: i915 v: kernel bus ID: 00:02.0
Device-2: NVIDIA vendor: ASUSTeK driver: N/A bus ID: 01:00.0
Display: x11 server: X.Org 1.19.6 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1080~120Hz
OpenGL: renderer: Mesa DRI Intel UHD Graphics 630 (Coffeelake 3x8 GT2) v: 4.5 Mesa 19.0.8 direct render: Yes
Audio: Device-1: Intel Cannon Lake PCH cAVS vendor: ASUSTeK driver: snd_hda_intel v: kernel bus ID: 00:1f.3
Device-2: NVIDIA vendor: ASUSTeK driver: snd_hda_intel v: kernel bus ID: 01:00.1
Sound Server: ALSA v: k4.15.0-58-generic
Network: Device-1: Intel Wireless-AC 9560 [Jefferson Peak] driver: iwlwifi v: kernel port: 5000 bus ID: 00:14.3
IF: wlo1 state: up mac: <filter>
Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: ASUSTeK driver: r8169 v: 2.3LK-NAPI
port: 3000 bus ID: 03:00.0
IF: eno2 state: down mac: <filter>
Drives: Local Storage: total: 476.94 GiB used: 26.03 GiB (5.5%)
ID-1: /dev/nvme0n1 vendor: Intel model: SSDPEKNW512G8 size: 476.94 GiB
Partition: ID-1: / size: 467.96 GiB used: 26.02 GiB (5.6%) fs: ext4 dev: /dev/nvme0n1p2
Sensors: System Temperatures: cpu: 49.0 C mobo: N/A
Fan Speeds (RPM): N/A
Info: Processes: 311 Uptime: 3h 30m Memory: 15.52 GiB used: 3.17 GiB (20.4%) Init: systemd runlevel: 5 Compilers:
gcc: 7.4.0 Shell: bash v: 4.4.20 inxi: 3.0.32
grep HDMI /var/log/Xorg.0.log
[ 6.594] (II) config/udev: Adding input device HDA NVidia HDMI/DP,pcm=3 (/dev/input/event21)
[ 6.945] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=3 (/dev/input/event16)
[ 6.946] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=7 (/dev/input/event17)
[ 6.946] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=8 (/dev/input/event18)
[ 6.947] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=9 (/dev/input/event19)
[ 6.947] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=10 (/dev/input/event20)
因西-SMCGx
System: Host: brahman Kernel: 4.15.0-58-generic x86_64 bits: 64 compiler: gcc v: 7.4.0 Desktop: Cinnamon 4.2.3
Distro: Linux Mint 19.2 Tina base: Ubuntu 18.04 bionic
Machine: Type: Laptop System: ASUSTeK product: Strix G531GT_G531GT v: 1.0 serial: <root required>
Mobo: ASUSTeK model: G531GT v: 1.0 serial: <root required> UEFI: American Megatrends v: G531GT.300 date: 04/19/2019
CPU: Topology: 6-Core model: Intel Core i7-9750H bits: 64 type: MT MCP arch: Kaby Lake rev: A L2 cache: 12.0 MiB
flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 62208
Speed: 2801 MHz min/max: 800/4500 MHz Core speeds (MHz): 1: 3276 2: 3353 3: 2717 4: 2728 5: 3287 6: 3006 7: 3346
8: 3201 9: 3302 10: 3563 11: 3292 12: 3336
Graphics: Device-1: Intel vendor: ASUSTeK driver: i915 v: kernel bus ID: 00:02.0
Device-2: NVIDIA vendor: ASUSTeK driver: N/A bus ID: 01:00.0
Display: x11 server: X.Org 1.19.6 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1080~120Hz
OpenGL: renderer: Mesa DRI Intel UHD Graphics 630 (Coffeelake 3x8 GT2) v: 4.5 Mesa 19.0.8 direct render: Yes
xrandr --prop
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) 344mm x 194mm
EDID:
00ffffffffffff003870420000000000
011c0104a5221378036850985c588e28
1b505400000001010101010101010101
0101010101010b8380047138ca403020
350058c21000001a6a3480047138ca40
3020350058c21000001a000000fd0000
000000000000202020202020000000fe
004c4d3135364c462d474c30320a0042
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
1920x1080 120.04*+ 48.01
ls /sys/class/drm
card0 card0-eDP-1 renderD128 version
xrandr --详细
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
eDP-1 connected primary 1920x1080+0+0 (0x44) normal (normal left inverted right x axis y axis) 344mm x 194mm
Identifier: 0x42
Timestamp: 4528718
Subpixel: unknown
Gamma: 1.0:1.1:1.2
Brightness: 1.0
Clones:
CRTC: 0
CRTCs: 0 1 2
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
EDID:
00ffffffffffff003870420000000000
011c0104a5221378036850985c588e28
1b505400000001010101010101010101
0101010101010b8380047138ca403020
350058c21000001a6a3480047138ca40
3020350058c21000001a000000fd0000
000000000000202020202020000000fe
004c4d3135364c462d474c30320a0042
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
1920x1080 (0x44) 335.470MHz +HSync -VSync *current +preferred
h: width 1920 start 1968 end 2000 total 2180 skew 0 clock 153.89KHz
v: height 1080 start 1083 end 1088 total 1282 clock 120.04Hz
1920x1080 (0x45) 134.180MHz +HSync -VSync
h: width 1920 start 1968 end 2000 total 2180 skew 0 clock 61.55KHz
v: height 1080 start 1083 end 1088 total 1282 clock 48.01Hz