----- Original Message ----- > Jorick Astrego píše v Čt 17. 04. 2014 v 15:40 +0200: > > On Thu, 2014-04-17 at 12:00 +0000, > > desktop-request@xxxxxxxxxxxxxxxxxxxxxxx wrote: > > > I've hit another annoying problem. I cannot change brightness level. > > > The > > > Fn keys don't work at all, when changing it in the user menu or > > > power > > > management settings it changes the backlight randomly in one of ten > > > attempts. Moreover indicator in the user menu always shows zero > > > level of > > > backlight. > > > I always blamed drivers or something lower in the graphics stack for > > > this. But it works perfectly in KDE and I can also change backlight > > > with > > > xbacklight or xrandr. > > > I'm using up-to-date Fedora 20+GNOME 3.12 Copr on Lenovo X240. > > > Anyone has hit the same problem? > > > BTW the more I'm using GNOME 3.12 the more I think it's not ready > > > for > > > the prime time. I'd rather wait for fixing releases. > > > > > > Jiri > > I fixed this on mij Lenovo bij adding << Option "RegistryDwords" > > "EnableBrightnessControl=1" >> to /etc/X11/xorg.conf in the "Device" > > section: > > > > Section "Device" > > Identifier "Videocard0" > > Driver "nvidia" > > Option "RegistryDwords" "EnableBrightnessControl=1" > > EndSection > > > > Kind regards, > > This didn't help. What did help, though, was adding > acpi_backlight=vendor as a boot parametr. Unfortunately, it doesn't > solve the problem completely. GNOME still doesn't remember the backlight > level from the last session and sets it to 0. So I boot into a black > screen, have to adjust it manually, log in, and adjust it manually once > again because it's set to 0 again. As I mentioned in the upstream bug, GNOME doesn't try to remember the backlight level, which would be why it doesn't... The discussion will continue here: https://bugzilla.gnome.org/show_bug.cgi?id=728354 I see no point in having to answer comments on both. Cheers -- desktop mailing list desktop@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/desktop