Panel not remembering settings after reboot & screen edges not working

so resseting plasma settings could help:

  1. Log out of KDE.
  2. Switch to TTY with CTRL + ALT + F2 - if f2 doesnt work, try f1-f6 instead
  3. Login in TTY with your ‘bad’ account
  4. Stop the Display Manager service:
sudo systemctl stop display-manager.service
  1. Run this command to reset the settings:

find $HOME/.config/ -maxdepth 1 -name 'plasma*' -exec rm {} \;

clear cache:
rm -rf ~/.cache/*

  1. reboot:
    systemctl reboot

hopefully this will help, otherwise create the new user, copy browser …etc settings from the old one into the new one…

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