Restore Default Settings
1. From the PS3 XMB Home screen scroll to Settings.
2. Scroll to System Settings and press the X button.
3. Scroll to Restore Default Settings and press the X button.
4. Check the right information is going to be restored and press the X button.
5. Scroll to Yes and press the X button.
6. The Default System Settings have been restored. Press the X button to restart your console.