camera feedback

Hi All. I havnt flown my Phantom 2 for over a year. I decided to do so and after recharging everything and getting things going. I was unable to get any photos or video feedback just a black screen. Please can anyone assist

New subscriber here. 1st post. I had a hard crash with the P3 Standard. Twisted and tore the gimbal yaw arm completely off, tore the camera ribbon cable in half, compressed the landing gear - showing multiple cracks and yield marks on legs, ect. I ordered parts and have rebuilt the gimbal...