: Look for the Sony Wireless Keyboard Receiver driver. Even if the driver was originally released years ago, the "2021 update" often refers to the Sony Firmware Extension Parser (SFEP) driver, which is the "master" driver that helps Windows understand unique Sony hardware IDs. Manual Update via Device Manager : Right-click the Start button and select Device Manager . Find the "Unknown Device" or "VSSP35851" entry. Right-click it and select Update Driver .
Hold the power button on the TV (not the remote) and plug in the power cord. vssp35851 software 2021 download
(ensure the resolution matches your panel). Copy it to the root directory of the USB. Turn off the TV. Insert the USB. : Look for the Sony Wireless Keyboard Receiver driver