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.gres...@greshko.com>: > 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. > > > -- > Getting tired of non-Fedora discussions and self-serving posts > -- > users mailing list > users@lists.fedoraproject.org > To unsubscribe or change subscription options: > https://admin.fedoraproject.org/mailman/listinfo/users > Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct > Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines > Have a question? Ask away: http://ask.fedoraproject.org > -- Antonio Montagnani Skype : amontag52 Linux Fedora 20 Heisenbug inviato da Gmail
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