The sense watch is not starting . It's fully charged .

[Mhegde]

My sense watch is not starting though it's fully charged 

[Mhegde]

Cannot start my sense watch. Looks like a problem with  starting switch . Help pls 

[LZeeW]

Hi @Mhegde   I merged your posts together because they are the same topic.  The Sense doesn't have a physical button.  Fitbit calls it a haptic button.  You see a depression where a physical button would stick out.  Do you feel a slight vibration when you press on the button?  If you feel that slight vibration, please try restarting your device.  You press and hold that "button" for 10 seconds to restart it.  Can you try changing your clock face from the Fitbit app?  The app must communicate with the device and that might wake it up.