I'm using Arch Linux + GNOME3 on desktop, and when the system starts or the user logs out, gdm displays the login screen for about 20 seconds and then turns off the display (although the computer is still running). Is it possible to disable this? I want the monitor to keep displaying the login screen "forever". I couldn't find any way to configure this.

5 Answers 5


That's because of the idle-delay setting. To change it you'll have to alter the corresponding dconf key (and do that as the gdm user):

  1. switch to a VT (e.g. Ctrl+Alt+F3), login as root and run:

    su - gdm -s /bin/sh

    to switch user to gdm.

  2. then run:

    export $(dbus-launch)

    and set idle delay to 0 (which translates to never):

    GSETTINGS_BACKEND=dconf gsettings set org.gnome.desktop.session idle-delay 0

    run exit or hit Ctrl+D to return to root account.

  3. reboot your machine or restart the display manager:

    systemctl restart gdm

Just as an expansion to don_crissti's answer:

Step 2 didn't work for me. I am on Gnome/gdm 3.28 and I don't have org.gnome.desktop.session, but this one worked for me:

GSETTINGS_BACKEND=dconf gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type 'nothing'
  • 2
    On Debian, you can set it up in /etc/gdm/greeter.dconf-defaults.
    – gsc
    Apr 1, 2019 at 10:32
  • 4
    more recently, /etc/gdm3/greeter.dconf-defaults is the file
    – curiouser
    Jan 22, 2022 at 21:04

Adjusting the following via the dconf-editor might help fine-tune the sleep related settings:


Worth a try, in my case it was the way to get the machine to stay awake during periods of inactivity.

  • sed -i "s/# sleep-inactive-ac-timeout=1200/sleep-inactive-ac-timeout=0/" /etc/gdm3/greeter.dconf-defaults sed -i "s/# sleep-inactive-battery-timeout=1200/sleep-inactive-battery-timeout=0/" /etc/gdm3/greeter.dconf-defaults systemctl restart gdm3
    – diyism
    Jun 11, 2022 at 11:30

Ive figured it out. Search up "inactive" on dconfig and change what to do when person is inactive to turn off to nothing. Make sure you do it to both of them because there is two.


Edit /etc/gdm3/greeter.dconf-defaults and customize this section to your will.

I set the sleep-inactive-ac-timeout to zero and the sleep-inactive-ac-type to "nothing".

# Automatic suspend
# =================
# - Time inactive in seconds before suspending with AC power
#   1200=20 minutes, 0=never
# - What to do after sleep-inactive-ac-timeout
#   'blank', 'suspend', 'shutdown', 'hibernate', 'interactive' or 'nothing'
# sleep-inactive-ac-type='suspend'
# - As above but when on battery
# sleep-inactive-battery-timeout=1200
# sleep-inactive-battery-type='suspend'

Then reload gdm:

systemctl reload gdm
systemctl reload gdm3

I did not get to make it with the existing answers. There is a comment about this file; for me it was the answer.

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