Roku · TV error code
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Get lifetime accessOnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.
Guide · TVThe HDCP handshake failed somewhere in the HDMI chain. Simplify the chain, reseat cables, power up in order, and confirm HDCP 2.2 for 4K/HDR.
Install · TVChoose a mount that matches the TV VESA pattern and weight, anchor it into studs (or masonry anchors on brick/concrete), and hide cables only with in-wall-rated cable or a recessed power kit. Running the TV power cord itself inside the wall is not an accepted practice under the electrical code: use a listed in-wall power kit or a new outlet installed by an electrician where required.
Guide · TVAlmost always a settings or port problem: CEC off, ARC/eARC not enabled, soundbar on a non-ARC port, or the TV's audio format set to something the bar can't decode. Work through settings before suspecting hardware.