Why my K8 Pro’s F1 F2 cannot adjust the brightness of the Studio Display? Alice September 23, 2022 07:23 Updated Sorry, we are digging into this problem right now. It is likely a potential Apple bug as many people report this similar issue (studio display brightness not working) on Apple.com. Related articles How to remap / reprogrammable reassign keys? What is your company’s VAT Number? Can you share the source code with me so I can compile my own keymap? My Q2 does not work. Everything is connected but there are no lights or inputs. What should I do? My keychron keyboard disconnects/delays occasionally (every 30 mins or so) on my Windows laptop and desktop.