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Sony Vaio Hotkey Utility Driver Download Official

The culprit is almost always a missing or corrupted .

How to Download & Install the Sony VAIO Hotkey Utility Driver (Fix Volume/Brightness Keys) sony vaio hotkey utility driver download

; Map Fn+F5 to decrease brightness Send Volume_Down return ; Map Fn+F6 to increase brightness Send Volume_Up return The culprit is almost always a missing or corrupted

Unlike standard Windows laptops, Sony VAIOs rely on a proprietary software stack to map physical keys to operating system functions. Without this specific driver, your function row becomes decorative plastic. your function row becomes decorative plastic.