Instructions
Hold "Power" until the system beeps to shut off the PS3, if applicable. Release "Power." The green light on the front of the console changes to red, indicating the console is in standby mode.
Hold "Power" again and wait for the system to turn on and beep twice. Release "Power" after the second beep. A prompt displays on the television indicating the video output settings have been reset.
Follow the PS3's on-screen video output prompts to finish setting up your display options.