I'm a newbie and have owned my Phantom2 for about a year. The drone has been sitting with out being used for about 3 months. Took it out yesterday and could not get it to fly. I had two of the back lights flashing green and the front lights were not on at all. So I brought the drone back home and had it updated with the latest Phantom software and recalibrated the controller. I also relinked the two by pushing the hidden button with a paperclip. Then I ask actually took the drone outside again to try and fly it. I placed it on top of my truck and couldn't get it to work, but all of a sudden the engine started working, but not enough to fly. While the propellers turing I took the drone out to the front yard to fly and the controller would not operate the drone. All of a sudden the drone took off into the sky as I turned off the controller and stayed up in the air in about 30 feet until they resynced. I was the. able to control the drone until it landed. Once the drone landed it would not reconnect and went back to the same thing it was doing once before. Please help I called customer service the DJI and they told me more or less read the manual.