Wednesday, November 12, 2008

GNOME auto-dim timeout

Since version 2.22.2 GNOME has introduced a new feature in power management - Autodimming the screen after some inactivity. Although this feature is direct copy from MacOSX, it's a really nice one. But the default timeout of 30 sec seems too short for most cases. I was wondering how to increase it and here's how:

  1. Run gconf-editor. (Press Alt+F2 and enter 'gconf-editor')
  2. Go to /apps/gnome-power-manager/backlight
  3. Change the value of idle_dim_time. It's in seconds, 60 seems to be reasonable.
BTW, gconf-editor is like regedit in Windows. A lot of system tweakings can be done through this.


  1. Looks like GNOME releases are made to the main FTP server in the form of source code with configure scripts, which are compiled by operating system vendors and integrated with the rest of their systems before distribution.
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  2. I think that the time out can be too long and brings a lot of problems due to this slowdown.