LEDs not working on a Corsair Vengeance M90 Gaming Mouse

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I am experiencing some worrying issues with my Corsair Vengeance M90 Gaming Mouse. The LED logo on its back does not light up anymore, and only two LEDs that function are profile 1 and 6, but only together. Right now I can only use it as a regular mouse (right and left click, drag and move) and nothing else. Everything is updated, I have unplugged it and plugged it back, tried it on my laptop… nothing. What is going on? Is the mouse broken or is it a software problem?

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Answered By 0 points N/A #183824

LEDs not working on a Corsair Vengeance M90 Gaming Mouse

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Hi danielle, I faced the problem many times . Please follow the instruction

Devices & Printers -> KBD Keyboard -> Uninstall the Corsair one

Unplug the keyboard

Replug the keyboard.

Windows automatically installs drivers.

Install the K90 Drivers on top. Run the FW Update (the program that installs the drivers onto your keyboard) if you haven't, THEN run the actual Keyboard Firmware installation program.

Fixes it and doesn't mess up a USB port.

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