My hub went bad a few months back. When I bought a new hub, I had to manually add all of my lights with serial number searches. However, two of my older
Resetting Philips Hue lamps with the new dimmer switch - Hueblog.com
GUIDE TO HOW YOU CAN RESET PHILIPS HUE BRIDGE AND BULBS | by Tapaan Chauhan | Chatbots Life
3 Easy Ways to Factory Reset Philips Hue Bulbs without a Bridge (No Dimmer!) - YouTube
How to reset your Philips Hue Bridge and smart lights