I have a Tuxedo Pulse 15 running Ubuntu 22.04. Just recently it's developed a problem where the screen goes blank. Audio and other things keep working. Pressing function keys (to try and switch to a console) does not work [EDIT: Not exactly. F1 brings up the login screen, and F2 brings up the desktop just for a second but then it goes off again] and I haven't found a way of reviving it apart from rebooting. This can happen at random times but...
Originally asked by naomi on Stack Exchange (superuser) (CC BY-SA 4.0).
