This can happen if the lens is not mounted correctly when the camera starts. To fix this, follow this procedure:
1. Turn off the camera.
2. Remove and re-seat the lens.
3. Re-start the camera.
Note: This article applies to the following camera models:
- T6xx and A6xx will show a solid blue screen when the lens is loose.
- P6xx and SC6xx will show a checkerboard pattern when the lens is loose.