因此，使用我的旧笔记本电脑时，使用第二台显示器没有任何问题。但使用这台笔记本电脑时，它不起作用。使用 HDMI 连接的第二台显示器显示“无信号”...
inxi -Fx
System: Host: peter-ROG-Strix-G531GU-G531GU Kernel: 5.3.0-45-generic x86_64
bits: 64 gcc: 7.5.0
Desktop: Gnome 3.28.4 (Gtk 3.22.30-1ubuntu4)
Distro: Ubuntu 18.04.4 LTS
Machine: Device: laptop System: ASUSTeK product: ROG Strix G531GU_G531GU v: 1.0 serial: N/A
Mobo: ASUSTeK model: G531GU v: 1.0 serial: N/A
UEFI: American Megatrends v: G531GU.306 date: 09/24/2019
Battery BAT0: charge: 61.9 Wh 100.0% condition: 61.9/66.0 Wh (94%)
model: ASUSTeK ASUS status: Not charging
CPU: 6 core Intel Core i7-9750H (-MT-MCP-)
arch: Skylake rev.10 cache: 12288 KB
flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 31199
clock speeds: max: 4500 MHz 1: 800 MHz 2: 811 MHz 3: 815 MHz
4: 800 MHz 5: 800 MHz 6: 819 MHz 7: 800 MHz 8: 817 MHz 9: 811 MHz
10: 800 MHz 11: 814 MHz 12: 813 MHz
Graphics: Card-1: Intel Device 3e9b bus-ID: 00:02.0
Card-2: NVIDIA Device 2191 bus-ID: 01:00.0
Display Server: x11 (X.Org 1.20.5 ) driver: i915
Resolution: [email protected]
OpenGL: renderer: Mesa DRI Intel UHD Graphics 630 (Coffeelake 3x8 GT2)
version: 4.5 Mesa 19.2.8 Direct Render: Yes
Audio: Card-1 Intel Cannon Lake PCH cAVS
driver: snd_hda_intel bus-ID: 00:1f.3
Card-2 NVIDIA Device 1aeb driver: snd_hda_intel bus-ID: 01:00.1
Sound: Advanced Linux Sound Architecture v: k5.3.0-45-generic
Network: Card-1: Intel Wireless-AC 9560 [Jefferson Peak]
driver: iwlwifi bus-ID: 00:14.3
IF: wlo1 state: down mac: 0c:dd:24:40:b2:7b
Card-2: Realtek RTL8111/8168/8411 PCIE Gigabit Ethernet Controller
driver: r8169 port: 3000 bus-ID: 03:00.0
IF: eno2 state: up speed: 1000 Mbps duplex: full
mac: 04:d4:c4:e1:9c:7d
Drives: HDD Total Size: 516.1GB (2.1% used)
ID-1: /dev/nvme0n1 model: Micron_2200V_MTFDHBA512TCK size: 512.1GB
ID-2: USB /dev/sda model: UDisk size: 4.0GB temp: 0C
Partition: ID-1: / size: 240G used: 8.2G (4%) fs: ext4 dev: /dev/nvme0n1p5
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 51.0C mobo: N/A
Fan Speeds (in rpm): cpu: N/A
Info: Processes: 327 Uptime: 9 min Memory: 1600.0/15861.4MB
Init: systemd runlevel: 5 Gcc sys: 7.5.0
Client: Shell (bash 4.4.201) inxi: 2.3.56
“xrandr” 的结果
xrandr
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 16384 x 16384
eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
1920x1080 120.04*+ 48.01
我的 ubuntu-drivers 设备：
ubuntu-drivers devices
== /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 ==
modalias : pci:v000010DEd00002191sv00001043sd000010FFbc03sc00i00
vendor : NVIDIA Corporation
driver : nvidia-driver-435 - distro non-free recommended
driver : nvidia-driver-430 - distro non-free
driver : xserver-xorg-video-nouveau - distro free builtin
== /sys/devices/pci0000:00/0000:00:14.3 ==
modalias : pci:v00008086d0000A370sv00008086sd00000034bc02sc80i00
vendor : Intel Corporation
manual_install: True
driver : backport-iwlwifi-dkms - distro free
当我进入 nvidia-settings 时...
nvidia-settings
ERROR: NVIDIA driver is not loaded
ERROR: Error querying enabled displays on GPU 0 (Missing Extension).
ERROR: Error querying connected displays on GPU 0 (Missing Extension).
** Message: 19:08:27.492: PRIME: Requires offloading
** Message: 19:08:27.492: PRIME: is it supported? yes
ERROR: nvidia-settings could not find the registry key file. This file should
have been installed along with this driver at
/usr/share/nvidia/nvidia-application-profiles-key-documentation. The
application profiles will continue to work, but values cannot be
prepopulated or validated, and will not be listed in the help text.
Please see the README for possible values and descriptions.
*** BUG ***
In pixman_region32_init_rect: Invalid rectangle passed
Set a breakpoint on '_pixman_log_error' to debug
*** BUG ***
In pixman_region32_init_rect: Invalid rectangle passed
Set a breakpoint on '_pixman_log_error' to debug
(nvidia-settings:5498): Gtk-CRITICAL **: 19:08:31.975: gtk_widget_get_preferred_width_for_height: assertion 'height >= 0' failed
(nvidia-settings:5498): Gtk-WARNING **: 19:08:31.975: gtk_widget_size_allocate(): attempt to allocate widget with width 12 and height -12
(nvidia-settings:5498): Gtk-CRITICAL **: 19:08:31.975: gtk_box_gadget_distribute: assertion 'size >= 0' failed in GtkScrollbar
(nvidia-settings:5498): Gtk-CRITICAL **: 19:08:31.975: gtk_widget_get_preferred_width_for_height: assertion 'height >= 0' failed
(nvidia-settings:5498): Gtk-WARNING **: 19:08:31.975: gtk_widget_size_allocate(): attempt to allocate widget with width 12 and height -12
(nvidia-settings:5498): Gtk-CRITICAL **: 19:08:31.975: gtk_box_gadget_distribute: assertion 'size >= 0' failed in GtkScrollbar
*** BUG ***
In pixman_region32_init_rect: Invalid rectangle passed
Set a breakpoint on '_pixman_log_error' to debug
*** BUG ***
In pixman_region32_init_rect: Invalid rectangle passed
Set a breakpoint on '_pixman_log_error' to debug
那么您知道如何修复它吗？因为我尝试了几种解决方案，例如安装 Ubuntu 20.04...但什么也没发生...
编辑：
dpkg -l | grep nvidia
ii libnvidia-cfg1-430:amd64 430.50-0ubuntu0.18.04.2 amd64 NVIDIA binary OpenGL/GLX configuration library
ii libnvidia-common-430 430.50-0ubuntu0.18.04.2 all Shared files used by the NVIDIA libraries
ii libnvidia-common-435 435.21-0ubuntu0.18.04.2 all Shared files used by the NVIDIA libraries
ii libnvidia-compute-430:amd64 430.50-0ubuntu0.18.04.2 amd64 NVIDIA libcompute package
ii libnvidia-compute-430:i386 430.50-0ubuntu0.18.04.2 i386 NVIDIA libcompute package
rc libnvidia-compute-435:amd64 435.21-0ubuntu0.18.04.2 amd64 NVIDIA libcompute package
ii libnvidia-decode-430:amd64 430.50-0ubuntu0.18.04.2 amd64 NVIDIA Video Decoding runtime libraries
ii libnvidia-decode-430:i386 430.50-0ubuntu0.18.04.2 i386 NVIDIA Video Decoding runtime libraries
ii libnvidia-encode-430:amd64 430.50-0ubuntu0.18.04.2 amd64 NVENC Video Encoding runtime library
ii libnvidia-encode-430:i386 430.50-0ubuntu0.18.04.2 i386 NVENC Video Encoding runtime library
ii libnvidia-fbc1-430:amd64 430.50-0ubuntu0.18.04.2 amd64 NVIDIA OpenGL-based Framebuffer Capture runtime library
ii libnvidia-fbc1-430:i386 430.50-0ubuntu0.18.04.2 i386 NVIDIA OpenGL-based Framebuffer Capture runtime library
ii libnvidia-gl-430:amd64 430.50-0ubuntu0.18.04.2 amd64 NVIDIA OpenGL/GLX/EGL/GLES GLVND libraries and Vulkan ICD
ii libnvidia-gl-430:i386 430.50-0ubuntu0.18.04.2 i386 NVIDIA OpenGL/GLX/EGL/GLES GLVND libraries and Vulkan ICD
ii libnvidia-ifr1-430:amd64 430.50-0ubuntu0.18.04.2 amd64 NVIDIA OpenGL-based Inband Frame Readback runtime library
ii libnvidia-ifr1-430:i386 430.50-0ubuntu0.18.04.2 i386 NVIDIA OpenGL-based Inband Frame Readback runtime library
ii nvidia-compute-utils-430 430.50-0ubuntu0.18.04.2 amd64 NVIDIA compute utilities
rc nvidia-compute-utils-435 435.21-0ubuntu0.18.04.2 amd64 NVIDIA compute utilities
ii nvidia-dkms-430 430.50-0ubuntu0.18.04.2 amd64 NVIDIA DKMS package
rc nvidia-dkms-435 435.21-0ubuntu0.18.04.2 amd64 NVIDIA DKMS package
ii nvidia-driver-430 430.50-0ubuntu0.18.04.2 amd64 NVIDIA driver metapackage
ii nvidia-kernel-common-430 430.50-0ubuntu0.18.04.2 amd64 Shared files used with the kernel module
rc nvidia-kernel-common-435 435.21-0ubuntu0.18.04.2 amd64 Shared files used with the kernel module
ii nvidia-kernel-source-430 430.50-0ubuntu0.18.04.2 amd64 NVIDIA kernel source package
ii nvidia-prime 0.8.8.2 all Tools to enable NVIDIA's Prime
ii nvidia-settings 390.77-0ubuntu0.18.04.1 amd64 Tool for configuring the NVIDIA graphics driver
ii nvidia-utils-430 430.50-0ubuntu0.18.04.2 amd64 NVIDIA driver support binaries
ii xserver-xorg-video-nvidia-430 430.50-0ubuntu0.18.04.2 amd64 NVIDIA binary Xorg driver