Mac keyboard lights not working

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If you flash the keyboard in Bluetooth mode, it will break your keyboard. Make sure your keyboard is in cable mode.Switch the keyboard to Windows if you are using a Windows device. Check that your keyboard is switched to the right OS system.

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Your keyboard could break if you accidentally install the Gateron firmware to the Optical version or vice versa. Please follow the instructions correctly to flash the firmware. WARNING: ONLY FOR Keychron K4 Version 1 keyboard There is a chance it can damage your keyboard. How to update the firmware? Note: If everything works fine with your keyboard.

 

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