Note: Make sure to insert one end of the HDMI cable into the HDMI output terminal of the source device and the other end into the HDMI input terminal of your TV. Reconnect the HDMI cable securely to the HDMI terminal of each device.Disconnect the HDMI cable from the HDMI terminal of each connected device.Select Apps → System apps → ExternalinputServices → Clear data and Clear cache → OK.Select Apps → See all apps → Show System apps → ExternalinputServices → Clear data and Clear cache → OK.The next steps will depend on your TV model type:.On the remote control, press the HOME button.If the remote control does not have a Quick Settings button:.On the remote control, press the ( Quick Settings) button.If the remote control has a Quick Settings button:.The next steps will depend on your TV model type: Sometimes, a bad connection may occur and cause this problem. Step 2: Disconnect and reconnect the HDMI cable Make sure the connected device is turned on.The location and icon of the Input button on your remote as well as the number and names of the inputs may be different on your TV.Press the Input button repeatedly until the correct HDMI input is displayed on the TV. Be sure to check which input on the TV you are connecting to. Most TV remotes have an Input button that cycles from one input to the next. Make sure the TV is set to the correct video input to receive the HDMI signal.Troubleshooting Step 1: Check if you are using the correct INPUT Software update downloads are posted on the support page. Make sure your TV has the most recent system software (firmware) installed.composite or component cable), please refer to There is no picture on the television from the Audio/Video stereo system.

If there is no picture on the TV screen when using an analogue cable (i.e. This article troubleshoots problems when connecting an Audio/Video device to your TV with an HDMI cable.

Hdmi from mac to tv no sound