[Debian12 KDE]安装nvidia驱动后外接屏幕无法识别

萌新菜鸡求助 :sob: :sob: :sob: 系统版本Debian 12.2,桌面环境KDE Plasma, 刚热烘烘地装完,然后用apt的nvidia-detect安装了独显驱动,安装过程很顺利。

然后用笔记本雷电typeC线转DP连接显示器,发现识别不出。但是安装n卡驱动前外接显示器可用,只是略卡。
尝试网上搜了一下有没有解决办法但是没有,只知道了一些有关的信息的命令。

nvidia-smi 显示信息如下:

wenchao@debian:~$ nvidia-smi
Thu Oct 19 10:07:10 2023
±----------------------------------------------------------------------------+
| NVIDIA-SMI 525.125.06 Driver Version: 525.125.06 CUDA Version: 12.0 |
|-------------------------------±---------------------±---------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
| | | MIG M. |
|===============================+======================+======================|
| 0 NVIDIA GeForce … On | 00000000:01:00.0 Off | N/A |
| N/A 53C P0 N/A / 150W | 5MiB / 16384MiB | 0% Default |
| | | N/A |
±------------------------------±---------------------±---------------------+

±----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| 0 N/A N/A 933 G /usr/lib/xorg/Xorg 4MiB |
±----------------------------------------------------------------------------+

xrandr显示信息如下:
wenchao@debian:~$ xrandr
Screen 0: minimum 16 x 16, current 1920 x 1080, maximum 32767 x 32767
XWAYLAND0 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 380mm x 220mm
1920x1080 299.95*+
1440x1080 299.90
1400x1050 299.95
1280x1024 299.87
1280x960 299.93
1152x864 300.03
1024x768 299.87
800x600 299.78
640x480 299.79
320x240 297.28
1680x1050 299.99
1440x900 300.05
1280x800 300.05
720x480 299.89
640x400 299.97
320x200 298.02
1600x900 300.06
1368x768 300.00
1280x720 300.12
1024x576 299.77
864x486 299.70
720x400 299.50
640x350 299.54

lshw -C video命令返回的信息如下
*-display
description: VGA compatible controller
product: GA104M [GeForce RTX 3080 Mobile / Max-Q 8GB/16GB]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
logical name: /dev/fb0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller bus_master cap_list rom fb
configuration: depth=32 driver=nvidia latency=0 mode=1920x1080 visual=truecolor xres=1920 yres=1080
resources: iomemory:600-5ff iomemory:640-63f irq:199 memory:a0000000-a0ffffff memory:6000000000-63ffffffff memory:6400000000-6401ffffff ioport:3000(size=128) memory:a1000000-a107ffff
*-display
description: VGA compatible controller
product: CometLake-H GT2 [UHD Graphics]
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
logical name: /dev/fb0
version: 05
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom fb
configuration: depth=32 driver=i915 latency=0 resolution=1920,1080
resources: iomemory:640-63f iomemory:400-3ff irq:179 memory:6402000000-6402ffffff memory:4000000000-400fffffff ioport:4000(size=64) memory:c0000-dffff

/etc/X11/ 目录和/etc/X11/xorg.conf.d/ 目录下都没有xorg.conf文件。

求助大侠们还有什么办法可以试试?多谢!