Other users have encountered this bug, after bringing the BIOS to the most recent version, and there is a work-around, but it didn't work for me. http://ubuntuforums.org/showthread.php?t=500516&highlight=dv2000+brightness
Other users have encountered this bug, after bringing the BIOS to the most recent version, and there is a work-around, but it didn't work for me. http:// ubuntuforums. org/showthread. php?t=500516& highlight= dv2000+ brightness