Remove

• sudo apt-get clean
• sudo dpkg –configure -a
• sudo apt-get autoremove
• sudo apt-get upgrade && sudo apt-get -f install
• sudo dpkg –remove –force-remove-reinstreq package_name

LC_MESSAGES=C dpkg-divert --list '*nvidia-340*' | sed -nre 's/^diversion of (.*) to .*/\1/p' | xargs -rd'\n' -n1 -- sudo dpkg-divert --remove
sudo apt --fix-broken install