Things You'll Need
Instructions
Turn on your PSP.
At the PSP main menu, select the "Settings" option with the X button.
In the "Settings" menu, select "System Settings" with the X button.
In the "System Settings" menu, select "Restore Default Settings" with the X button.
You will see the message: "All settings will be returned to default settings. Are you sure you want to continue?" Select "Yes" and press the X button. All settings are now reset.
Press the X button to restart the system.