Re: Cannot control Screen Brightness - Fedora 20

[Antonio M <antonio.montagnani@xxxxxxxxx>]

I added this option in grub, you can try it at boot-time, then modify the grub configuration  file.It might work

video.use_native_backlight=1

2014-03-18 13:48 GMT+01:00 Ed Greshko <ed.greshko@xxxxxxxxxxx>:

On 03/18/14 11:18, CS_DBA wrote:
> Hi All;
>
> I have Fedora 20 installed on a Lenovo W540.  I cannot control the screen brightness via the Function F5/F6 keys, nor can I control it via the system settings (KDE) --> Power Management settings...
>
> Can anyone help me debug this?
>

One thing you can try as a "workaround" is to install xbacklight and see if using it allows you to adjust the brightness from the command line.


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Antonio Montagnani
Skype : amontag52

Linux Fedora 20 Heisenbug

inviato da Gmail

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