Disclaimer: Firmware flashing is done at your own risk. Incorrect installation can result in a unusable ("bricked") motherboard.
The you are experiencing (stuck on a logo, dead screen, etc.). tpmt5522pc821 firmware
Flashing the firmware via the USB subsystem is the easiest way to revive a soft-brick condition. Prerequisites Disclaimer: Firmware flashing is done at your own risk
If your TV motherboard is semi-functional (soft-bricked) but the bootloader can still read a USB port, you can use a forced USB installation method. This approach requires no specialized hardware tools. Step 1: Format the USB Drive tpmt5522pc821 firmware
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