On 30 Mar 2010, Ustun Kaya wrote: > Hello folks, > > I installed Debian Squeeze on Dell Studio 1749 and I can't change the > brightness when the OS is up (Fn + F4 - F5 doesn't work). It works > when the BIOS screen is open, before booting into Debian. xbacklight > gives the following output: > > us...@earth:~$ xbacklight -get > No outputs have backlight property > > Any help? > > Best, > Ustun >
I had a similar problem on my HP laptop. I solved it with the following (as root): echo 10 > /sys/devices/virtual/backlight/acpi_video0/brightness I've put it in /etc/rc.local to save having to enter it manually each time. Anthony -- Anthony Campbell - [email protected] Microsoft-free zone - Using Debian GNU/Linux http://www.acampbell.org.uk - sample my ebooks at http://www.smashwords.com/profile/view/acampbell -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
