Instructions
Press and hold the "Power" button on the front of the PlayStation 3 game console. When you press the button, you will hear a beep. About five seconds after the initial beep, you will hear a second beep while holding the power button.
Release the power button after hearing the second beep. The PlayStation 3 game console will now automatically detect the video output being used.
Highlight the "Yes" option and press the "X" button to use the detected video output.
Highlight the "Yes" option and press the "X" button a second time to confirm the video output settings are correct.