Commercial Display Troubleshooting

Remote control does not work

Troubleshooting Checks	Yes/No	Possible Solutions
Are there any obstacles between the remote control and display?	Yes	Remove the obstacle(s).
	No	Aim the remote control at the display's IR receiver within the effective distance and angles when performing an operation.
Are the batteries installed correctly?	Yes	If the remote control still does not work, try another set of new batteries to confirm the current batteries have power.
	No	Install the batteries again.

The display shuts down unexpectedly

Troubleshooting Checks	Yes/No	Possible Solutions
Is the display in sleep mode?	Yes	Re‑plug the video cable connecting to an external computer to wake the display up.
	No	Check the power connection between the display and the power outlet.
Is there a power outage in your area?	Yes	Unplug the power cord from the power outlet and wait until the power outage is over before turning the display back on.
	No	Try another power outlet or use some other electrical device to confirm the same power outlet is working.

Speakers are not working properly

Troubleshooting Checks	Yes/No	Possible Solutions
Does only one speaker have sound?	Yes	Try another audio cable or audio system to confirm the display’s speakers are still working.
	No	Press the Volume button on the remote control to set the volume at a moderate level.
Do both speakers have no sound?	Yes	Check that the audio source is correctly set on both the display and connected device, and that the connected device is turned on.
	No	Restart the display.
Is the display connected to a Bluetooth device?	Yes	Re‑pair the display with your Bluetooth device.
	No	Check that the connected device is properly connected to the appropriate port of the display.
Is there buzzing or whining noises?	Yes	Route the audio cable away from the display or power supply cable to prevent electrical interference.
	No	Press the Volume button on the remote control to set the volume at a moderate level.

Image is not displayed correctly

Troubleshooting Checks	Yes/No	Possible Solutions
Does the video cable appear damaged?	Yes	Replace the video cable. If the image is still not displayed correctly, restart the display.
	No	Try a different video cable or use another video source to determine if the display is still working correctly.