独显不能正常工作，疑似和最新驱动有关？

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起因

今天想用obs录视频的来着，结果发现软件找不到显示器画面，然后用nvidia-smi检查显卡状态，发现显卡并没有工作。

$ nvidia-smi
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.

但是我的笔记本并没有装bumblebee、optimus-manager之类的软件，当我查看设置时，才知道gnome已经更新为wayland，不知道这两者是否有什么关联。

显卡信息

$ lspci -k | grep -A 2 -E "VGA|3D"
00:02.0 VGA compatible controller: Intel Corporation WhiskeyLake-U GT2 [UHD Graphics 620]
	DeviceName: Onboard - Video
	Subsystem: Intel Corporation Device 2112
--
01:00.0 3D controller: NVIDIA Corporation GP108M [GeForce MX250] (rev a1)
	Subsystem: Device 1b50:5515
	Kernel modules: nouveau

已安装的驱动

$ pamac list --installed | grep nvidia
lib32-nvidia-utils                       510.47.03-1                   multilib   122.7 MB
mhwd-nvidia                              510.47.03-4                   extra      1.4 kB
mhwd-nvidia-390xx                        390.147-2                     extra      1.9 kB
mhwd-nvidia-470xx                        470.103.01-1                  extra      1.7 kB
nvidia-prime                             1.0-4                         extra      112 字节
nvidia-utils                             510.47.03-4                   extra      460.2 MB

结论

翻看论坛，个人推测是最新的驱动不支持我的显卡，但是我现在也不清楚应该装哪些东西？

2

补充信息：

$ inxi -G

Graphics:
  Device-1: Intel WhiskeyLake-U GT2 [UHD Graphics 620] driver: i915 v: kernel
  Device-2: NVIDIA GP108M [GeForce MX250] driver: N/A
  Device-3: Realtek USB Camera type: USB driver: uvcvideo
  Display: wayland server: X.org 1.21.1.3 driver: loaded: modesetting
    failed: nvidia resolution: <missing: xdpyinfo>
  Message: Unable to show advanced data. Required tool glxinfo missing.
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供参考

4

此帖终结。

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