Screen turns black after 20 seconds of inactivity

[narf-narf (narF)]

The problem is back. I think it comes back after the computer was put to sleep? And a rebook fixes the issue temporarily? I will keep investigating.

In the meantime, anyone has a more permanent solution?

Seems like I’m not the only one:

• Screen blanking without permission
• Screen turns black after 20 seconds of inactivity - #3 by narf-narf
• my screen goes black after 30 seconds of inactivity in Ubuntu 22.04 - Ask Ubuntu
• Cannot change blank screen timeout after upgrade to F41