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Press the "Function" button (between the alt and ctrl buttons to the right of the space bar) and either the F5 or F6 buttons according to the direction you want to adjust (F5 is less illumination, F6 is brighter illumination)
Sorry, there was a problem. Please try again later.Hold the function button and F5 for dimmer or F6 for brighter.
Sorry, there was a problem. Please try again later.This question was asked 60 days ago, so I hope you've found your answer. With that said, you'll need to install Logitech's SetPoint software. Found here: https://bit.ly/3fiyFUF Download the most recent version and the version compatible with your computer's OS. From there you will see options to personalize your Logitech wireless devices. Hope that helps!
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