How to Fix 2.4GHz Wireless Dongle Not Detected on the 8BitDo Ultimate 2C Wireless Controller
Causes the bundled 2.4G USB-C wireless adapter not to be recognized by Windows, no longer pairing to the controller, or dropping out mid-session. The dongle uses a proprietary RF link and is factory-paired to its controller, so it often needs direct-port power, a correct mode slider position, and a firmware refresh to re-establish the connection.