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Problem
If you just updated to 10.04 and you might be experiencing issues with your function keys supposed to control screen brightness on my Asus UL30a It worked fine in 9.10.
Workaround
Open up Terminal and enter the following
gksudo gedit /etc/default/grub
Look for the line that says GRUB_CMDLINE_LINUX and add this
GRUB_CMDLINE_LINUX=”acpi_backlight=vendor”
Save it and then update Grub
sudo update-grub
Reboot your system.
Article source
is not working with HP Probook 4310s (ATI 4330)
brightness sets manually here: /proc/acpi/video/DGFX/LCD/brightness
but using ”acpi_backlight=vendor” now it says:
cat /proc/acpi/video/DGFX/LCD/brightness
Fn keys is not working too.
It works great now. Thanks for your tip!
How could I get this to work for the volume keys on my laptop, it has two of the f keys mapped to volume when you hold down the fn key but when I use them the volume goes nuts all over the place?
I also haven’t gotten this to work with my fn+F4 (toggle screen) key on my HPdv3 yet.
won’t work on eMachines D725 Lucid Lynx
The volume keys on my IBM ThinkPad G41 still don’t work along with any of the function keys