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 TCL TV Resolution Issue with Tivo Bolt after 8.1

TCL 55” US5800 4K UHD LED ROKU SMART TV:  Immediately after the 8.1 update, 99% of the time when I turn the TV on, the screen resolution from the Tivo Bolt has dropped to the lowest possible setting rendering the screen menus blocky.  The ONLY fix is to do a system restart of the TCL/Roku.  I have power cycled the Tivo, changed the cables to HDMI 2, switched inputs, etc. etc.  This only affects the Tivo input - the Comcast box retains it's resolution settings.  Started after 8.1. 
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