The standby light should begin flashing rapidly, indicating the update is in progress. during this time.
Plug the TV back in. If it has a physical power button, hold it while plugging it in.
: While older board-level firmware is rarely on consumer sites, you can check for general product manuals or support contact info at the Thomson Manuals and Software page. Installation Guide
: Installing the wrong firmware (e.g., a version meant for a different panel resolution) can cause a "black screen" or inverted colors. Always verify your panel model before flashing.
: Use a 4GB or 8GB USB drive formatted to FAT32 .