My TCL Roku TV remote and TV itself are acting strange.
TV would not respond to remote and status light was blinking. I unplugged the TV to let it sit for 5 mins to reset it (actually was overnight it remained unplugged), plugged it back in, still no response to remote, status light stayed solidly on, after several minutes the remote all of a sudden worked somewhat. It will function but only after pushing desired buttons repeatedly, at least twice, before will perform desired function. And now, while writing this, the status light is blinking again!!
Other steps taken to correct:
checked internet connection - excellent
checked for updates - no updates
from settings did a system restart - no apparent help
replaced batteries in remote - no change
tested IR transmitter - purple blinking light as should be
Re: TCL Roku TV and remote not working properly - fix
First, try all the turn it off and back on stuff. Second turn it all off an unplug it for 10 minutes. When none of these work, it is probably a bad back-light LED causing the problem.
Here is how to tell. You will need a LED flash light. This can be found at the local hardware store for just a couple bucks. Look for a "square" flash light - usually has a big square with a yellow strip down the center and a narrow beam if you push the button. Turn the TV on and hold the square light close to the screen. Move it around and look very close. You should be able to see some text or logo or menu. If you do, then the back-light LED has failed.
An LED is about $1, however, you have to totally disassemble the TV to get to that LED. Here is a video on how to do that...