G1000 big issue

With DA62 the freezes happend few seconds after I began to insert the first waypoint in a flightplan; i reach the first letter (L) and when i’ searching the second letter (I) the knob become unusable. I move throttle but the engine power indicator dont move as the other gauges (radios etc). But the plane is usable. Only the Garmins are freezed.
Same with Cessna G1000; with this I tried to input D direct to function and after first letters same freeze.