Samsung S8 C Series - Anynet+ (HDMI-CEC) Issues; What Is Anynet; Anynet+ Does Not Work. the Connected Device Is Not Displayed

Anynet+ (HDMI-CEC) Issues
When Anynet+ (HDMI-CEC) isn't working, these steps may help resolve the problem.
What is Anynet+?
You can use the TV's remote control to control external devices that support Anynet+ (HDMI-CEC) and that are
connected to the TV via an HDMI cable. For example, if a connected external device supports Anynet+, you can have
the connected device turn on or off when you turn the TV on or off.
Anynet+ does not work. The connected device is not displayed.
Make sure the device is an Anynet+ (HDMI-CEC) device. From the settings menu on the device, check and 
that the HDMI-CEC option is enabled.
From the TV, check and  that the Anynet+ (HDMI-CEC) feature is set to On.
• (left directional button) Settings All Settings Connection External Device Manager
Anynet+ (HDMI-CEC) Try Now
Check and  that the device’s power cord is securely plugged in.
Check the device's HDMI cable connection.
Anynet+ (HDMI-CEC) cannot function under  circumstances. (when the TV is scanning channels or
performing Reset)
When connecting or disconnecting an HDMI cable, turn the TV off and then back on again.
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