Ensuring the device is linked to the correct input source is the foundational step. This functionality links your remote’s power button directly to the television’s infrared (IR) sensor or requires HDMI-CEC communication through the TV port.
Using the Smartphone App to Turn On Your TV for Roku
The remote requires two AA batteries with correct polarity, and the Roku streaming device must be plugged into the HDMI-CEC compatible port on your television. This usually happens after battery changes or power outages.
LG: Settings > System > Control for HDMI (Simplink). The synchronization process is straightforward: With the TV unplugged, plug the Roku stick back into power, and hold the pairing button on the back of the remote (or within the battery compartment) until the status light blinks three times.
Using the Smartphone App to Turn On Your TV for Roku
The app, available for iOS and Android, mimics the physical remote’s functions, including the power button. Even if the remote pairs successfully with the stick, the television will not recognize the command if the HDMI port is not configured to send CEC signals.
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