I'm really struggling to understand the steps you took to create the problem or even what the problem is.
By default, Lubuntu is set to run a random screensaver every 10 minutes (the "cycle after" setting) after there has been idling for 10 minutes (the "blank after" setting). Additionally, lxqt-powermanagement is set to monitor idleness and could perform some action after 15 minutes, but it is set to do nothing. That said, I cannot understand how a fresh installation would cause the problems you're experiencing. Furthermore, you mention different screensaver settings. "Disable Screen Saver" would essentially nullify xscreensaver. At that point you might as well uninstall it. "Blank Screen Only" does not run any actual "screensavers," but instead just blanks your screen. You could also accomplish this through lxqt-powermanagement. That said, I really don't know what the issue is or how to reproduce it. If you could clearly describe it and give me the steps I could take to reproduce it, that would go a long way in helping to fix it. Set to lubuntu-meta while we figure this all out. ** Project changed: lxfind => lubuntu-meta (Ubuntu) ** Changed in: lubuntu-meta (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1820171 Title: Screen blank when watching youtube on Chromium To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lubuntu-meta/+bug/1820171/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs