No power to Outlet all electrical equipment works

GFI outlet does have power but will not reset green indicator light showing on that outlet only one gfi in trailer

Hooked up to shore power 2 Outlets that are before GFI have power. Tried to reset GFI will not reset

Verify receptacle that your have shore power conn3ected to. Use a known good appliance.
Reset circuit breakers in the rig. Turn them all off applying light pressure toward off. then turn main breaker on (if equipped, then each branch breaker one at a time.

Check all outlets for GFI reset button. Could be the 1st one in line is tripped (not necessarily the one at the microwave) and that would stop all other outlets.