From: You Can 

Responding to Bodi...
> Powered off for a few minutes, and booted to BIOS using the
 key, which
> worked as did the keyboard to navigate the BIOS settings which look fine.
> Proceeds to boot XP and again no keyboard or mouse action, plus the
> caplock/numlock/scroll lock keys do not toggle their respective lights. The
> system boots up and works OK for sharing but having no way to maintain it is
> a bit dicey.
>
>

Bodi,
Sounds like you might have a BIOS problem.  The lights should be handled by
the BIOS prior to the OS booting.  If the lights don't work during BIOS
access then I'd suggest resetting/restoring the firmware.  Caution! That
would be my guess :-).
HTH,

l'bodacious (I've heard tales of EEPROMs starting to fade, I know I have)

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