Function Keys are not working on my Satelite C50-A-1DV

Hi,
I just installed a bios update (1.30) and right after I noticed I was unable to adjust the brightness of my screen via the special keys (F2 and F3). Also, I am unable to use the Synaptic pointing device toggle (F4), monitor selection (F5), Mute (F11) and airplane mode (F12)
Brightness is adjustable through the power options only. Updated display drivers and still not resolved.I'm using Satellite C Series, C50-A-1DV, PSCG6E, running 64 bit Windows 8.1.. Purchased a week ago in Ireland.
Any ideas?

to be honest I don't know what may be wrong there but only thing you can try now is to reinstall original recovery image and test it with factory settings again.
Other way I don't understand this action with BIOS update. New notebook that works perfectly so why to change anything.
Anyway, test it and if there is the same problem contact your local dealer and ask for help.
You can create recovery media using preinstalled Toshiba recovery media creator and use it for recovery image installation.

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    I work on behalf of HP
    Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
    Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

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    Hi Asadkhan92,
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    Click here to open a link where you can select the country and get the exact contact support number. I’m sure they will be a great help.
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