Xbox One S

1. Press the Guide button.

2. Scroll to System and press the A button.

3. Scroll to Settings and press the A button.

4. Scroll to Disc & Blu-ray and press the A button.

5. Scroll to Blu-ray and press the A button.

6. Scroll to Persistent storage and press the A button.

7. Scroll to Clear persistent storage and press the A button.