Using the left and right arrow keys, navigate through the menu options until you find the “Setup” sub-menu.
Start up the TV and press the “Menu” button on your remote control.
Try these steps for on-screen menu reset: If you own a Sharp Aquos LC-52D64U LCD TV, there are two methods you can facilitate a factory reset: on-screen and using the hardware directly.
Press the “Play” or “OK” button three times to engage the reset process.
Then select “System” followed by “Factory Reset”.
Go to “Settings” menu using your Sharp remote.
While resetting signs you out of any apps on a smart TV and uninstalls any additional apps you have installed, it can often fix software-based issues that have developed.