我在 Ubuntu 22.04（内核 5.15.0-46）上进行了全新安装，但在关机时会挂起。最后一条消息：“kvm：退出硬件虚拟化”我尝试了关机 -H -P +0，但没有成功。更新到内核 5.19.2 也无济于事。
当我从安装 USB 棒运行时，它仅以安全图形模式启动，而当我单击“尝试 Ubuntu”时，关机正常。
有人能给出好的建议吗（希望不要太复杂，因为我没有那么多经验）。NVIDIA 卡可能是问题所在吗？
System:
Host: si-Aspire-E5-771G Kernel: 5.19.2-051902-generic x86_64 bits: 64
Desktop: GNOME 42.2 Distro: Ubuntu 22.04.1 LTS (Jammy Jellyfish)
CPU:
Info: dual core model: Intel Core i7-4510U bits: 64 type: MT MCP cache:
L2: 512 KiB
Speed (MHz): avg: 797 min/max: 800/3100 cores: 1: 800 2: 800 3: 795
4: 796
Graphics:
Device-1: Intel Haswell-ULT Integrated Graphics driver: i915 v: kernel
Device-2: NVIDIA GM108M [GeForce 840M] driver: nouveau v: kernel
Device-3: Sunplus Innovation Laptop Integrated WebCam HD type: USB
driver: uvcvideo
Display: wayland server: X.Org v: 1.22.1.1 with: Xwayland v: 22.1.1
compositor: gnome-shell driver: gpu: i915 resolution: 1920x1080~60Hz
OpenGL: renderer: Mesa Intel HD Graphics 4400 (HSW GT2)
v: 4.6 Mesa 22.0.5
Startup finished in 3.182s (kernel) + 36.868s (userspace) = 40.050s
graphical.target reached after 36.858s in userspace
30.953s plymouth-quit-wait.service
10.346s gpu-manager.service
6.503s NetworkManager-wait-online.service
3.971s systemd-journal-flush.service
2.390s dev-sda3.device
1.540s dev-loop6.device
1.536s networkd-dispatcher.service
1.449s systemd-fsck@dev-disk-by\x2duuid-ABF6\x2d51D9.service
1.139s snapd.service
1.077s dev-loop9.device