Fn-F6/F7 does not work on F8

[Sachin]

My brightness key does not work on the laptop.
Can someone give pointers where to start with ? Other keys like suspend,
volume control works..
I am running fedora 8 x86_64 on compaq C714NR

I did check out ..

http://people.freedesktop.org/~hugh...ight-index.html<http://people.freedesktop.org/%7Ehughsient/quirk/quirk-backlight-index.html>

lshal | grep laptop_panel -- No output

Thnx
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