> IIRC, Xfce normally uses xscreensaver, which needs to have its daemon
> running. What does "pgrep xscreensaver" produce? You can (re)start the
> daemon from the screensaver settings window (File > Restart Daemon).
Aha! I installed xscreensaver, went to "settings" where it directly
asked me to (re)start the daemon and now it seems to work.
Thank you,
Stefan