按照多个链接在戴尔 XPS 9560 上安装 nvidia。nvidia-390.77 已成功安装，我也能登录。我遇到的问题是，nvidia 驱动程序未加载。
journalctl -xb | grep nvidia
anand@anand-XPS-15-9560:~$ journalctl -xb | grep nvidia
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/lib/modprobe.d/nvidia-graphics-drivers.conf: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/usr/lib/x86_64-linux-gnu/libnvidia-glsi.so.396.45: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/nvidia-compute-utils-396.list: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/libnvidia-gl-396:amd64.list: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/libnvidia-decode-396:i386.list: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/libnvidia-ifr1-396:i386.list: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/libnvidia-fbc1-396:amd64.list: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/libnvidia-decode-396:amd64.list: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/libnvidia-gl-396:i386.list: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/libnvidia-ifr1-396:amd64.list: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/libnvidia-encode-396:i386.list: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/libnvidia-cfg1-396:amd64.list: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/nvidia-kernel-common-396.list: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/nvidia-kernel-source-396.list: No such file or directory
Aug 03 11:01:55 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/libnvidia-encode-396:amd64.list: No such file or directory
Aug 03 11:01:56 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/nvidia-dkms-396.list: No such file or directory
Aug 03 11:01:56 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/libnvidia-fbc1-396:i386.list: No such file or directory
Aug 03 11:01:56 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/nvidia-driver-396.list: No such file or directory
Aug 03 11:01:56 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/nvidia-utils-396.list: No such file or directory
Aug 03 11:01:56 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/xserver-xorg-video-nvidia-396.list: No such file or directory
Aug 03 11:01:56 anand-XPS-15-9560 ureadahead[297]: ureadahead:/var/lib/dpkg/info/libnvidia-common-396.list: No such file or directory
Aug 03 11:01:56 anand-XPS-15-9560 systemd[1]: Starting Fall back on nouveau if nvidia is not loaded...
-- Subject: Unit nvidia-fallback.service has begun start-up
-- Unit nvidia-fallback.service has begun starting up.
Aug 03 11:01:56 anand-XPS-15-9560 systemd[1]: Started Fall back on nouveau if nvidia is not loaded.
-- Subject: Unit nvidia-fallback.service has finished start-up
-- Unit nvidia-fallback.service has finished starting up.
Aug 03 11:02:08 anand-XPS-15-9560 nvidia-settings-autostart.desktop[2337]: ERROR: NVIDIA driver is not loaded
Aug 03 11:02:08 anand-XPS-15-9560 nvidia-settings-autostart.desktop[2337]: ERROR: Unable to load info from any available system
anand@anand-XPS-15-9560:~$ dpkg -s nvidia-390
Package: nvidia-390
Status: install ok installed
Priority: optional
Section: non-free/libs
Installed-Size: 20
Maintainer: Ubuntu Core Developers <[email protected]>
Architecture: amd64
Source: nvidia-graphics-drivers-390
Version: 390.77-0ubuntu0~gpu18.04.1
Depends: nvidia-driver-390
Description: Transitional package for nvidia-driver-390
This is a transitional package for nvidia-driver-390, and can be
safely removed after the installation is complete.
Homepage: http://www.nvidia.com