Older televisions sometimes struggle to read USB 3.0 or high-capacity drives (above 32GB). Try using an older USB 2.0 drive with lower capacity (e.g., 4GB or 8GB).
Before beginning the update process, gather the necessary tools and verify your equipment to prevent any errors.
He knelt before the TV, the plastic casing cool under his fingers. He unplugged the set, held the power button for thirty seconds to drain the caps, plugged the USB into port one (never port two—port two was for media only, a rookie mistake), and pressed on the side panel while plugging the power back in.
Depending on your specific Toshiba platform (Android, Fire TV, or standard Linux-based Smart TV), use one of the two following methods: Method A: The Power Button Auto-Boot (For Unresponsive TVs)