Ubuntu 11.10 doesn't save my brightness settings between sessions. Everytime I boot up, the brightness is always at zero, and I always have to set it back to my preferred setting (at maximum). How can I ensure that my brightness preference will persist after reboot?
In the file
Where 5 is the brightness level from 0 to 10
Basically you need to run
during the boot process after the graphics drivers have loaded with appropriate
Create a file, say
This way, the behaviour of the system will the same as systems without this particular quirk (of brightness being 0 at startup). In the
Also, this should remove the necessity (in some systems) of having to
You should probably check first:
So you will get list of all possible displays and then you can experiment to find which is the display you want to modify. On one laptop, the screen was called "acpi_video0". Replace "acpi_video1" below with the actual screen name of your screen. On systems using the initsystem (e.g. 11.10) I must put
protected by Community♦ May 4 '12 at 15:36
Thank you for your interest in this question.
Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count).
Would you like to answer one of these unanswered questions instead?