LG ProBeam BU70QGA 7000-Lumen 4K Laser SmProjector - Manual (Page 139)

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Troubleshooting PC Connection Issues
Please check the list below when you experience the following symptoms during use of the product. It may not be a
failure.
The screen remains blank after it is connected to a PC.
• Check that the PC is properly connected to the projector.
• Turn the projector off and back on using the remote control.
• Restart the PC with the projector on.
• Make sure that the output resolution set on the PC is set to the HDMI-PC supported resolution of the projector.
• To use dual monitors, check that the PC or notebook supports dual-monitor mode.
• Reconnect the high speed HDMI ® cable.
• If you have connected the RGB output port of your PC to the HDMI input port or your projector. You need an RGB to
HDMI gender.
You will not see anything on the screen if you use an HDMI to RGB gender.
The screen is cut off or moved to one side after it is connected to a PC.
• Set the PC’s resolution to one supported by the projector.
• Set the connected HDMI device’s name to PC.
- Change to PC at [General] [Advanced Setting] [Input Manager].
The sound does not play when the PC is connected with an HDMI ® cable.
• In PC settings, set Control Panel Sound Play LG projector as the default device.
• Consult your manufacturer on whether your graphics card supports HDMI audio output.