If you are facing issues while turning on MI Tv then it might be due to latest software update you can do following solution.
Hard reset
1)If tv turns on then goto setting and goto reset and do factory reset. (remember don't connect to wifi for few days now after reset)
2)If tv not turning on then remove plug or remove power for 30 seconds(also for more detailed answer you can search on net how to reset mi tv with your tv remote)
Now turn on tv power and press power button for long time and tv will turn on ask to pair the remote or also try power and menu/ok button long press if doesn't work.
Try with difrent keys or difrent methods for reset.
Good luck.
