Once the menu appears, you can scroll through the list of available ports—such as HDMI 1, HDMI 2, or HDMI 4—to select the specific port your device is connected to. If your source device outputs a signal in a color format that the TV is not set to accept, the picture may not appear.
Fix LG TV Default HDMI Not Working: Troubleshooting Steps
This protocol enables a single remote control to manage multiple devices and facilitates functions like turning on the TV when a Blu-ray player is activated. To adjust this, navigate to Settings > Picture > Picture Settings > HDMI UHD Color.
Checking the Physical Connections Before diving into complex settings, verifying the physical infrastructure is the most logical first step. Additionally, trying a different high-speed HDMI cable can resolve issues caused by damaged wires that fail to transmit the high-bandwidth signal required for 4K content.
Fix LG TV Default HDMI Not Working: Check Connections and Settings
After the reboot, you will need to reconfigure the network and pairing settings, but the HDMI handshakes will typically return to their optimal state. However, this is a drastic step that erases all saved settings, including Wi-Fi passwords and app logins.
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