Reset the display settings of the Xbox 360 console to the default settings, follow these steps:

1. Remove any discs from the disc tray.
2. Turn off the console.
3. Turn on the console.
   
   Note If you are using an Xbox 360 Wireless Controller, turn on the console by using the Xbox Guide button on the controller. Wait for the guide light to indicate that the controller has linked to the console.
   
   Note Make sure that you use the player 1 controller when you do this. The player 1 controller is indicated by the upper-left quadrant light on the console.
4. As the console starts, press and hold the Y button as you pull the right trigger.
   
   Note This action causes the Xbox Dashboard to reset the display settings to the default settings. The console then automatically restarts.

You need to restart the console there is no other option .
Your data will be lost . There is no way to save your data .

Hi there,

saved the game game and reset the unit. this could be a internal problem and be fix by restarting the unit

Restart the console and also check the camera settings and try other possible settings and see if it gets stuck.