Qosmio F50-10Z - After BIOS update illuminated buttons don't work

Tempro alerted me about a BIOS update - bios-20090415092322.zip - for 32bit Vista, released 15 April 2009, for my F50-10Z.
Since then, the illuminated 'buttons' atop my keyboard no longer work - including, annoyingly, the button to turn off the illumination.
Is there anything I can do at this point? I tried a system restore, but it didn't affect the BIOS.

Hi, and thanks for your reply.
I had previously tried reinstalling the Value Added Pack, to no avail (in fact I lost my special function keys also, which I got back via system restore), but after a bios reset it did the job.
For anybody reading this after the event, to restore BIOS to defaults on a Qosmio f50,
restart
hit f2
hit f9 (then indicate yes)
hit f10 (indicate yes)
I don't poke around in BIOS myself, having a healthy fear of the unknown, but I guess something had gone askew somewhere.
I also found a little program called dimmer.exe which can actually turn off the lights if they are stuck on. For the record, I had the lights switched off when I reset the BIOS and reinstalled VAP
Thank you both for your assistance.
Message was edited by: Gemb

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