Just bough FE 770 Core2 Duo 1.8ghz, Format questions

Question:
Just bough FE 770 Core2 Duo 1.8ghz, Format questions
Hi,
I'm going to reformat my sony tomorrow.
Besides windows, multi core fix, basic hardware drivers, which software enable the status of Volume Brightness on the screen when you press Fn key?
Is there any other Sony software driver that is useful?
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