Set screen blank time to more than 15 minutes

fixit_fiona

I want to set my screen blanking time to half an hour. What are the command line instructions for this? Ubuntu 25.10 desktop. In the power options there is a choice to set the automatic screen blank, the maximum being 15 minute delay.

Originally asked by dlashton on Stack Exchange (askubuntu) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-timeout 1800 This will set the timeout to 1,800 seconds (0.5 hours)

Full answer by petep: https://askubuntu.stackexchange.com/a/1564182 (CC BY-SA 4.0).

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