Bonjour,
sur mon micro-ordinateur portable ASUS R510C possédant une carte graphique Intel et un accélérateur 3D Nvidia 720M (optimus), le reglage de la luminosité ne fonctionne plus.
l'action des touches FN+F5 et FN+F6 affiche un petit carré à l'ecran , mais rien ne change
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
01:00.0 3D controller: NVIDIA Corporation GK208M [GeForce GT 720M] (rev a1)
[root@Host-002 ~]# systemctl status bumblebee
bumblebee.service
Loaded: not-found (Reason: No such file or directory)
Active: inactive (dead)
[root@Host-002 ~]# systemctl restart bumblebee
Failed to issue method call: Unit bumblebee.service failed to load: No such file or directory.
[root@Host-002 ~]# systemctl restart bumblebee-nvidia
[root@Host-002 ~]# systemctl status bumblebee-nvidia
bumblebee-nvidia.service - Compiling NVidia Driver
Loaded: loaded (/etc/systemd/system/bumblebee-nvidia.service; enabled)
Active: active (exited) since lun. 2014-09-01 10:46:07 CEST; 7s ago
Process: 4764 ExecStart=/usr/sbin/bumblebee-nvidia (code=exited, status=0/SUCCESS)
Main PID: 4764 (code=exited, status=0/SUCCESS)
sept. 01 10:46:07 Host-002 systemd[1]: Starting Compiling NVidia Driver...
sept. 01 10:46:07 Host-002 systemd[1]: Started Compiling NVidia Driver.
[root@Host-002 ~]# intel_backlight 90
current backlight value: 89%
set backlight to 89%
akmod-nvidia-331.89-2.fc20.x86_64
bumblebee-nvidia-340.32-1.fc20.x86_64
nvidia-texture-tools-2.0.8-6.fc20.x86_64
kmod-nvidia-3.15.10-201.fc20.x86_64-331.89-2.fc20.10.x86_64
mesa-libGL-devel-10.2.2-20.intel20142.x86_64
mesa-filesystem-10.2.2-20.intel20142.x86_64
mesa-libEGL-10.2.2-20.intel20142.x86_64
mesa-libglapi-10.2.2-20.intel20142.x86_64
libva-intel-driver-1.3.2-20.intel20142.x86_64
mesa-libgbm-10.2.2-20.intel20142.x86_64
mesa-vdpau-drivers-10.2.2-20.intel20142.x86_64
mesa-libEGL-10.2.2-20.intel20142.i686
intellinuxgraphics-repo-1.0.6-20.intel20142.noarch
mesa-libGL-10.2.2-20.intel20142.x86_64
libdrm-2.4.54-20.intel20142.i686
libva-utils-1.3.1-20.intel20142.x86_64
libdrm-2.4.54-20.intel20142.x86_64
mesa-filesystem-10.2.2-20.intel20142.i686
mesa-libgbm-10.2.2-20.intel20142.i686
mesa-libOSMesa-10.2.2-20.intel20142.x86_64
libdrm-devel-2.4.54-20.intel20142.x86_64
mesa-libEGL-devel-10.2.2-20.intel20142.x86_64
mesa-dri-drivers-10.2.2-20.intel20142.x86_64
xorg-x11-drv-intel-2.99.911-20.intel20142.x86_64
libva-1.3.1-20.intel20142.x86_64
xorg-x11-drv-vmware-13.0.2-20.intel20142.x86_64
mesa-libGLES-10.2.2-20.intel20142.x86_64
mesa-libwayland-egl-10.2.2-20.intel20142.x86_64
drm-utils-2.4.54-20.intel20142.x86_64
intel-linux-graphics-installer-1.0.6-20.intel20142.x86_64
mesa-libglapi-10.2.2-20.intel20142.i686
mesa-libxatracker-10.2.2-20.intel20142.x86_64
intel-gpu-tools-1.7-20.intel20142.x86_64