root@main-lap:~# apt install nvidia-driver
Reading package lists... Done
Building dependency tree       
Reading state information... Done
nvidia-driver is already the newest version (418.181.07-1).
nvidia-driver set to manually installed.
The following packages were automatically installed and are no longer required:
  atril-common fonts-font-awesome fonts-lato fonts-mathjax fonts-roboto-slab gimp-data gir1.2-gtksource-3.0
  gir1.2-keybinder-3.0 hddtemp libamd2 libatrildocument3 libatrilview3 libbabl-0.1-0 libburn4 libcaja-extension1
  libcamd2 libccolamd2 libcholmod3 libexiv2-14 libgail-3-0 libgegl-0.4-0 libgegl-common libgexiv2-2 libgimp2.0
  libgtksourceview-3.0-1 libgtksourceview-3.0-common libisofs6 libjs-jquery libjs-mathjax libjs-modernizr
  libjs-sphinxdoc libjs-underscore libjte1 libmetis5 libqrencode4 libraw19 libsdl1.2debian libumfpack5
  libunique-1.0-0 python-glade2 python-gobject-2 python-gtk2 python-notify python-numpy python-pkg-resources
  python-wicd python3-feedparser python3-gi-cairo python3-musicbrainzngs python3-mutagen python3-pyinotify rfkill
  sphinx-rtd-theme-common wicd-daemon wicd-gtk xfce4-battery-plugin xfce4-clipman xfce4-clipman-plugin
  xfce4-cpufreq-plugin xfce4-cpugraph-plugin xfce4-datetime-plugin xfce4-diskperf-plugin xfce4-fsguard-plugin
  xfce4-genmon-plugin xfce4-mailwatch-plugin xfce4-netload-plugin xfce4-places-plugin xfce4-screenshooter
  xfce4-sensors-plugin xfce4-smartbookmark-plugin xfce4-systemload-plugin xfce4-timer-plugin xfce4-verve-plugin
  xfce4-wavelan-plugin xfce4-weather-plugin xfce4-whiskermenu-plugin xfce4-xkb-plugin xsane-common
Use 'apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up nvidia-persistenced (418.56-1) ...
Starting NVIDIA Persistence Daemon
nvidia-persistenced failed to initialize. Check syslog for more details.
invoke-rc.d: initscript nvidia-persistenced, action "start" failed.
dpkg: error processing package nvidia-persistenced (--configure):
 installed nvidia-persistenced package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 nvidia-persistenced
E: Sub-process /usr/bin/dpkg returned an error code (1)