@AceLan, there was no apparent change after adding the file and rebooting :
XXX@XXX:~$ uname -a Linux studioB-1001HA 3.2.0-29-generic #46 SMP Wed Aug 1 05:44:53 UTC 2012 i686 i686 i386 GNU/Linux XXX@XXX:~$ cat /proc/cmdline BOOT_IMAGE=/@/boot/vmlinuz-3.2.0-29-generic root=UUID=XXX ro rootflags=subvol=@ XXX@XXX:~$ cat /etc/modprobe.d/asus-wmi.conf install video modprobe asus-wmi; modprobe --ignore-install video; XXX@XXX:~$ ls -l /sys/class/backlight/ total 0 lrwxrwxrwx 1 root root 0 Aug 8 15:44 acpi_video0 -> ../../devices/pci0000:00/0000:00:02.0/backlight/acpi_video0 lrwxrwxrwx 1 root root 0 Aug 8 15:46 eeepc-wmi -> ../../devices/platform/eeepc-wmi/backlight/eeepc-wmi lrwxrwxrwx 1 root root 0 Aug 8 15:46 intel_backlight -> ../../devices/pci0000:00/0000:00:02.0/drm/card0/card0-LVDS-1/intel_backlight XXX@XXX:~$ sudo showkey ... keycode 431 press keycode 431 release XXX@XXX:~$ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1000146 Title: [ASUS X101CH and 1015CX] the hotkey to turn on/off the display is not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1000146/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs