My Garmin  HRM no longer  connects to zwift , it works whist out  running or cycling but no on zwift . Dongle is ok … any  ideas why  its not pairing , i got it paired for a few mins then it  vanished again …have tried different  HRM and all the same … i try search and zwift cant find my HRM 



Can you outline your hardware set up Simon.

Hi I’m using various garmin hrm’s plus the wahoo dongle plus I’m using a Mac air … 

Thanks … Love my zwift