I got a new TLC roku TV for my kids for Christmas (2022) a few days ago I noticed a loud squealing noise coming from the tv.. while it was OFF. Stops once it is unplugged. What could it be?
I don't know what it could be, but you should contact TCL since they made the TV.
Where can I get support for my Roku TV™? | Official Roku Support
I don't know what it could be, but you should contact TCL since they made the TV.
Where can I get support for my Roku TV™? | Official Roku Support