my audio keys on the keyboard are no longer works

I have a laptop dv7020 that I bought recently and I've updated my software (Windows 7) and now my audio keys on my keyboard don't seem to work. Could someone tell me what I should do to fix this problem, it's driving me crazy!

Only the multimedia keys don't work in the volume control, mute, etc.? Or your Audio does not at all?

Enter the BIOS by typing/holding the F10 key immediately after switching on the laptop. Reset to the default settings by pressing the F9 key, (maybe F5-check wallpaper for the correct key) Save & Exit.

Tags: Notebooks

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