Advertising on the box and websites highlights "per-key LED backlighting" and "Fully programmable with CORSAIR Utility Engine (CUE)". To reset a computer mouse: Unplug the mouse.
K63 Wireless Mechanical Gaming Keyboard and Gaming Lapboard Most Corsair mice have a reset function you can use to fix unexpected behavior issues, such as repeating button inputs, lighting issues, or being unresponsive. what's happening with firmware v3.07.
I have a k55 and I use it for an MMO. Probably because the dongle also has firmware.
2020 CORSAIR.
Installed CUE but couldn't see how to program the individual backlights, just a bunch of fancy lighting effects.
Finally the 3rd person I talked to told me they can email me an image of an older firmware that I can update my keyboard to.
Game On!