Screen resolution is correct (full-hd 1920x1080). Backlight control works after manually creation of /etc/X11/xorg.conf by nvidia-xconfig and adding { Option "RegistryDwords" "EnableBrightnessControl=1" } to the Device section.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-graphics-drivers-304 in Ubuntu. https://bugs.launchpad.net/bugs/1242612 Title: Unable to change Backlight level while using Nvidia driver Status in “nvidia-graphics-drivers-304” package in Ubuntu: New Bug description: I have Sony VAIO F13Z1R laptop with discrete Nvidia GT425M: 01:00.0 VGA compatible controller: NVIDIA Corporation GF108M [GeForce GT 425M] (rev a1) On fresh Ubuntu 13.10 (or 13.10 GNOME) I'm unable to change backlight level while using Nvidia 304 driver (304.88-0ubuntu8). I see backlight desktop indicator, it reacts on fn+backlight keys, but level is not changed. Nouveau driver controls my backlight level normally. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: nvidia-current 304.88-0ubuntu8 ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 Uname: Linux 3.11.0-12-generic i686 NonfreeKernelModules: nvidia ApportVersion: 2.12.5-0ubuntu2 Architecture: i386 Date: Mon Oct 21 14:01:54 2013 InstallationDate: Installed on 2013-10-20 (0 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release i386 (20131016.1) MarkForUpload: True SourcePackage: nvidia-graphics-drivers-304 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/+bug/1242612/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp