Playback Issues - Audio/Video & Power

Help with audio & video playback issues, TV display type recognition & compatibility, HDCP messages, troubleshooting playback errors, advertisements, and resolving power issues.
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Level 7

Roku 55S425 TCL TV is stuck in backlit mode after update to 9.4

I updated the roku tcl tv to 9.40 yesterday and now the screen is stuck in blacklit mode.

I can hear the sounds on the tv when I press the remote, but I cannot get the picture to turn on.

I have tried to manually reset on the side with no luck

i have unplugged the tv for hours and plugged it back in and still the same issue

can someone help me?

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