The specific term appears to be a common misspelling or a niche hardware identifier (possibly related to the Yealink YET-M1
Corrupt driver or conflicting service.
Many users report that after a Windows 10 update, the Bluetooth toggle disappears entirely from the settings menu. This often happens because Windows installs a "Microsoft Bluetooth Enumerator" but fails to keep the actual hardware "radio" driver active. Microsoft Support 2. Recommended Fixes for YETM1 Devices Fix Bluetooth disappeared in Windows - Microsoft Support yetm1 bluetooth driver windows 10
After installation, confirm everything works: The specific term appears to be a common
The YET-M1 is not a standard Bluetooth dongle for data transfer; it is a . it is a .