The Drones PID would correct that. Drones really don't fly out of balance, The PID corrects it. example if you put a small weight on one side of the drone the PID would notice and the drone would still fly straight. The PID will run the motors on...
Lost two prime aerial flying days from this simple error.
Hope this remedy saves you.
Short version: USB Cable broke internally. Get new cable.
And watch for notice/window popup asking "DJI Accessory" needs to connect.
Long Version:
So planned...