In BIOS mode I tested the screensaver in a live (live-only) Lubuntu Lunar daily dated 2022-12-28-16-55-52-00 according to the UUID. I can start the screensaver, but not quit from it. My problem described in comment #5 persists.
The problem is the same, so not limited to the Dell with nvidia graphics.
Test computer: My old Toshiba with Intel i5 and built-in (Intel) graphics.
http:// www.toshiba. se/laptops/ satellite- pro/c850/ satellite- pro-c850- 19w/
In BIOS mode I tested the screensaver in a live (live-only) Lubuntu Lunar daily dated 2022-12- 28-16-55- 52-00 according to the UUID. I can start the screensaver, but not quit from it. My problem described in comment #5 persists.
The problem is the same, so not limited to the Dell with nvidia graphics.