I have a HP mini 210. The screen brightness settings of this HP netbook has been an issue on various Linux distributions like
Ubuntu, Mint, and
Deepin. The Operating System cannot save the brightness settings and resets to minimum brightness every time it boots. It is no surprise to me, the same brightness settings issue arise in elementary OS Luna Beta as it is build on an Ubuntu core.
To solve this problem on elementary OS Luna,
- Enter the following command into slingshot.
gksu scratch-text-editor /etc/rc.local
- Insert the following code above exit 0.
echo 7 > /sys/class/backlight/acpi_video0/brightness
Note: Number 7 indicates the brightness level of the screen. You may change it to your own preference. Your maximum screen brightness level can be viewed here: /sys/class/backlight/acpi_video0/max_brightness
- Close rc.local file. Scratch text editor will auto-save the file. Done.
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