Comment 9 for bug 159255

ok so there are two scripts called by the brightness keys which hit acpi_fakekey (doesnt work)
Below are a couple quick and dirty replacements that work on dell vostro 1000

these replace :
/etc/acpi/video_brightnessup.sh
http://www.pastebin.ca/834518
/etc/acpi/video_brightnessdown.sh
http://www.pastebin.ca/834514

Backup any originals