.Fn/F5 and Fn/F6 keys for brightness adjustment,are not working

Hi Gloria
I have installed Windows 7 on my laptop  sony vaio ns series.Fn/F5 and Fn/F6 keys for brightness adjustment,are not working.In the previous Vista installation, they worked with no problem.
adjustment keys for sound working but without showing the slider on desktop.
can you help with advice.
thank you..... :-)
 

Question Info


Last updated February 1, 2020 Views 15,934 Applies to:
Answer
Answer
Run Windows Update.  It's good at installing device drivers that weren't found during Windows 7 installation.

If that doesn't fix it, you probably need to download and install device drivers for your computer model from Sony.
Steve Winograd

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