Fix-It Clinic TV: Can You Help?

Can anyone help out with this fixit project? around a tv?

Marc, and Mike opened up a 55″ 4K TV and discovered inside it’s a Toshiba Model K550WDR1 rebranded as a Best Buy Toshiba 551621U

  • When power is applied It flashes on briefly, shows the logo, and then goes out.

Normally this would indicate a power supply issue, but after a little online research some people think the problem might be a firmware issue.

Can someone help to find firmware we can try to flash on this TV to see if that resurrects it?

Examining the wounded television