On Thu, 20 Oct 2011 22:07:41 +0200, rudu wrote: > My question isn't debian specific, but I guess a similar problem might > occur with debian on that laptop.
Nice try ;-) > I'm configuring a double boot Win7/Ubuntu 10.04.03 on a Dell XPS L502X > for a friend of mine. > Everything's Ok except for those Fn Backlight Up/Down Keys. The others > Fn Keys for sound, wifi, touchpad disabling, etc. work fine. How about setting the backlight bright from the GNOME power management applet? Does it work from there? > I googled the web for hours, and found several grub tweaking through the > /etc/default/grub file and his GRUB_CMDLINE_LINUX_DEFAULT parameter. So > far I tried : > GRUB_CMDLINE_LINUX_DEFAULT="quiet splash noacpi" > GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nolapic" > GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor" > GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=video" > GRUB_CMDLINE_LINUX_DEFAULT="quiet splash dell_acpi" ... without success. Is there anything logged at dmesg related to this acpi problem? (dmesg | grep -i acpi) > If someone can shed some light on this one I would be very grateful. Mmm, you can consider: a) Asking at Ubuntu forums/mailing lists b) Open a bug report in Ubuntu for the non-functional function keys c) Try with a new kernel version (from a LiveCD to avoid messing up things) d) Using "xbacklight" application Greetings, -- Camaleón -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/pan.2011.10.21.16.13...@gmail.com
