meme9011 Posted May 3, 2020 Share Posted May 3, 2020 Hello. I purchased a corsair k55 keyboard around 2 years ago now, and the backlighting has not worked since I bought it. I have reinstalled iCUE twice, and updated the drivers. Nothing seems to work and there aren't any solutions on the internet. Please help! Link to comment Share on other sites More sharing options...
Fillmore Graves Posted May 4, 2020 Share Posted May 4, 2020 (edited) Have you ever tried to see if the lighting and Fn controls for worked without icue running, lots of peeps have had trouble with the k55 lighting and icue. Try uninstalling icue and resetting the keyboard. Press and hold FN + F4 for 5 seconds. All 3 zones will blink rapid 2 times in white color to confirm all lighting modes and macro assignments have been reset to defaults. Here's the quick-start guide which shows the Fn controls etc for the k55: https://images-eu.ssl-images-amazon.com/images/I/B1ggWJcTdbS.pdf Now I don't use icue as far too many peeps have had issue with it and the k55 but I do believe if you have icue running it disables the Fn controls on the keyboard. Edited May 4, 2020 by Fillmore Graves Link to comment Share on other sites More sharing options...
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