A few suggestions here. Leave the TV unplugged for more than 10 minutes to let it rest, and then try plugging it into a different power outlet to see if that works. If it doesn't, I'd recommend that you contact Insignia Support™ at (877) 467-4289 to see whether or not they're aware of the issue and have a fix, or if you'll need to schedule a repair appointment with Geek Squad. Best of luck!
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