Instructions
Turn off the PlayStation 3 by pressing the "Power" button until you hear two beeps.
Press the "Power" button on the PlayStation 3. Hold down the "Power" button for five seconds. The PlayStation 3 will beep once and start to power on. This display on the PlayStation 3 will have reset itself. At this point, you should now see an image on the screen from the PS3.
Click "Settings" then "Display Settings" with your PlayStation 3 controller.
Click "Video Output Settings."
Choose the proper connection between your television and PlayStation 3. For example, select "HDMI" if you use an HDMI cable. Save the connection settings.