: Use a PC to format a USB drive (at least 1GB) to FAT32 .
To update your TV, you must prepare a USB drive specifically for the firmware: Download 42PN4500 Software rar
: Ensure the folder name is exactly LG_DTV . If the TV says you have a newer version, the update menu will not open. : Use a PC to format a USB drive (at least 1GB) to FAT32
: Right-click in the drive and create a new folder named exactly LG_DTV . Download 42PN4500 Software rar
: Place that specific file into the LG_DTV folder on your USB. Update : Turn the TV on. Plug the USB into the TV's service/USB port.
: Unzip the downloaded software file. You will see a file ending in .epk or .bin .