dead gimbal

Hi there , newbie here I had my drone out the other night and clipped it off a wall before i could steer it away. It fell about four feet causing the roll motor to separate from the casing which leads to the camera. The part still attached to the drone was the part that exposes the copper...

It finally happened, clipped a branch.... The gimbal broke off below the yaw motor... Where I am at is after replacing the the yaw motor, arm and ribbon cable, the camera works but the yaw roll are dead. At power up the pitch motor gos full up and full down then stays there. The Go app is not...