Toshiba A100-543
Model No : PSAA9L
Phoenix BIOS v 1.80

None of the function keys work.

My main issue is I am unable to control the LCD brightness.  I can't
even read or write to the /proc/acpi/video/VGA/LCD/brightness file.

Have tried everything, but just cannot get the brightness to be
adjusted.

Have toyed with the idea of upgrading the BIOS (think latest version is
5.60), but not sure if that will cause new problems.  If someone can
report if upgrading BIOS enabled them to fix brightness, might consider
it.

Where can I check status of this problem in this site ? whether if its
being worked upon, if there is a solution etc. ?

-- 
[gutsy] special keys on laptop don't work on Toshiba Satellite A105
https://bugs.launchpad.net/bugs/128320
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