A:Answer Hello there,
Try to power cycle the tv by performing below steps:
1- Unplug the television from the power outlet.
2- Remove all connections from the back of the television.
3- While everything is unplugged, press and hold the "Power" button on your TV for 60 seconds.
4- Connect all devices back into the television, making sure all of them are properly connected
5- Plug the set to the power outlet, if possible, to a different power outlet or a surge protector
6- Turn it on and test it.
Insignia Support
Louise
www.insigniaproducts.com/support