Pixhawk not working

Hello everyone, while the engine was turning with the pixhawk today, I think the lights went out as a result of a cable contact and there was a burning smell. When I connect via USB it still doesn’t work, what could have happened?

@Mete_Ersoy, it seems that your pixhawk is gone. But without any more information specially about the cable contact and burning smell it is not possible to say directy what parts are gone. First you can check if you can see any abnormal or damaged componets on the board.