Hi there! My name is***** am a computer professional with over 15 years of experience with both Mac and Windows. I'm sorry that you're having this issue. It would be my pleasure to help you resolve this.
It is possible. that a master reset can fix this problem. However, PLEASE NOTE: A master reset erases all user information and workout data.
Charging the device for 3 or more hours often "resets" it. You may want to try this first. If that does not work, however, you can "factory reset" your watch with the following procedure.
Please give this a try and let me know how it works for you. If this solves the problem., would you mind taking a moment to rate my service? I'd really appreciate it! Without a rating I am not credited for my answer. If you need more help, please let me know so I can continue to assist you.