If you use dconf-editor
sudo apt install dconf-editor
Under org > gnome > desktop > wm > keybindings, do you see any shortcuts for copy and paste?
If not or if so - can you add or replace with your preferred keypresses?
If you use dconf-editor
sudo apt install dconf-editor
Under org > gnome > desktop > wm > keybindings, do you see any shortcuts for copy and paste?
If not or if so - can you add or replace with your preferred keypresses?