Fn key to adjust brightness no long working in my Lubuntu
Marlon Ng
guikaye at gmail.com
Sun Sep 27 04:57:28 UTC 2015
My laptop is running Lubuntu. It used to have this file:
/sys/class/backlight/acpi_video0/brightness
but it's now replaced with this:
/sys/class/backlight/samsung/brightness
(in other words, the acpi_video folder is replaced with samsung folder)
Now I can't used the Fn key + up or down arrow to adjust brightness.
1. Is this due to recent updates?
2. I recently installed another desktop environment in my Lubuntu, which
proved to be buggy, so I uninstalled it. I wonder if it has anything to do
with Fn key not working?
3. The Fn key + right or left arrow button to adjust sound works fine;
only problem is the brightness adjustment (Fn + up or down arrow)
Any ideas?
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