Most of Sharp's 4K lineup features three HDMI inputs, so make sure that the external device is powered on and use the arrow keys on the remote for your smart TV to highlight "HDMI 1," "HDMI 2" and "HDMI 3," pressing "OK" to check each input for a signal. Video of the Day. Don't forget the old "turn it off and turn it on again" trick. On my TCL Roku TV, if I briefly press the power button it displays a little menu with the inputs. I can then press it again to move to a different input. I don't know if the Sharp is the same, so hopefully someone else knows more about that brand if it doesn't work the same way. Help others find this answer and click "Accept as Solution." ※ It is necessary to set the desired picture mode every time there is a change in the input mode, as the picture mode settings (brightness/quality) may differ depending on the Picture input (digital broadcasting, HDMI, etc.). How to change the brightness on Advanced Custom Settings How to change on [2022 WebOS 22] and [2021 WebOS 6.0] The caveat is that when your Roku is plugged into HDMI 1 port, it will make you switch to HDMI 2 automatically. Unfortunately, there is no button for changing HDMI input on the Roku remote.. If you want to check if your TV is HDMI-CEC-capable, grab your TV remote and follow these steps:. Press the Menu button.; Navigate to Settings > Input > System or System Options. To be sure where the problem lies, you should reset the TV. Resetting a TV helps resolve many problems with smart TVs. Here's how you can reset your Sharp TV: Press the Menu and go to Setup. Look for Reset and press enter. Input the access code for your TV and confirm. The default code is 1234. Click on Yes when prompted for a restart. zq3BIR.

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