Aug 18, 2020, 17:33 by agoiza@gmail.com:maybe is running a program that prevent automatic screen locking?I don't recall specifically installing anything like that. Unless something was installed as a part of recommended packages and then somehow got activated. Thanks,
an example:
https://lists.debian.org/debian-kde/2019/11/msg00007.html
-- Saluti, Luca Pedrielli