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Tags: gnome   display   17.10  
Link: 🔍 See Original Answer on Ask Ubuntu 🔗

URL: https://askubuntu.com/q/1001331
Title: Screen turning off when idle even with power settings disabled
ID: /2018/01/30/Screen-turning-off-when-idle-even-with-power-settings-disabled
Created: January 30, 2018    Edited:  January 31, 2018
Upload: November 24, 2022    Layout:  post
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This is from another answer I posted recently. You may not need the Login screen section.

Terminal CLI method

To prevent screen from turning off you need two settings, one under battery power the other when plugged into wall outlet (A/C).

For battery timeout:

gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-battery-timeout <time_in_seconds>

For AC timeout:

gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-timeout <time_in_seconds>

So for both Battery and A/C set the time to 0 (never).

For Login screen:

gsettings set org.gnome.desktop.screensaver idle-activation-enabled false

Disable dimming screen when idle:

In Unix & Linux someone complained when on battery screen dims every 20 seconds and wants to turn that feature off:

gsettings set org.gnome.settings-daemon.plugins.power idle-dim false
⇧ Broadcom Wireless Driver problem. I've tried solutions given on this forum but I can't get it work Prevent a Workstation Screen from dimming  ⇩