(1) Are you using USB wired, USB-wireless, or Bluetooth mouse and keyboard?
(2) Please run 'lsusb' and provide the output here.
(3) Please try disabling/removing the extra Gnome Shell extensions you have installed, leaving only these two remaining:
gnome-shell-extension-appindicator
gnome-shell-extension-ubuntu-dock
(1) Are you using USB wired, USB-wireless, or Bluetooth mouse and keyboard?
(2) Please run 'lsusb' and provide the output here.
(3) Please try disabling/removing the extra Gnome Shell extensions you have installed, leaving only these two remaining: shell-extension -appindicator shell-extension -ubuntu- dock
gnome-
gnome-