我最近通过 dist-upgrade 将我的机器从 20.4 升级到 22.04.01，我遇到的唯一问题是 Nvidia 显卡未使用，Ubuntu 将其识别为 3D 控制器而不是 VGA 控制器。驱动程序已安装，设置偶数prime-select nvidia，我删除了驱动程序并安装了它，我尝试通过 Wayland 使用 X11，但完全没有成功。
感谢您的帮助
>> lspci | egrep -i "vga|display|3d"
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 850M] (rev a2)
>> lshiw -c video
*-display
description: 3D controller
product: GM107M [GeForce GTX 850M]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
version: a2
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list rom
configuration: driver=nvidia latency=0
resources: irq:48 memory:f6000000-f6ffffff memory:e0000000-efffffff memory:f0000000-f1ffffff ioport:e000(size=128) memory:f7000000-f707ffff
*-display
description: VGA compatible controller
product: 4th Gen Core Processor Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
logical name: /dev/fb0
version: 06
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom fb
configuration: depth=32 driver=i915 latency=0 resolution=2560,1080
resources: irq:46 memory:f7400000-f77fffff memory:d0000000-dfffffff ioport:f000(size=64) memory:c0000-dffff
>> ubuntu-drivers devices
modalias : pci:v000010DEd00001391sv00001043sd000011CDbc03sc02i00
vendor : NVIDIA Corporation
model : GM107M [GeForce GTX 850M]
driver : nvidia-driver-515 - distro non-free recommended
...
Nvidia 系统管理还显示 NVIDIA VGA 未被使用：
>> nvida-smi
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 515.65.01 Driver Version: 515.65.01 CUDA Version: 11.7 |
|-------------------------------+----------------------+----------------------+
| 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 ... Off | 00000000:01:00.0 Off | N/A |
| N/A 46C P8 N/A / N/A | 1MiB / 4096MiB | 0% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| 0 N/A N/A 3485 G /usr/bin/gnome-shell 1MiB |
+-----------------------------------------------------------------------------+