My laptop configuration is Dell Inspiron 1440. I want to reduce my laptop screen brightness in Ubuntu below the minimum level that can be set using system settings. I usually set my screen brightness to an ultra low level, as it hurts my eyes.
I have already searched for the solution online and found related posts:
Dim screen past the minimum on Ubuntu – I have already tried the solution mentioned in that article.
The problem is that in my case the screen brightness value in the file
/sys/class/backlight/acpi_video0/brightness is already
I have tried installing backlight and setting it to
0, and overwriting the value again as described in one of the posts above. However, none of it helps. I am currently using the latest version of Ubuntu 13.10.