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• When sending 18 Gbps images such as 4K 120 Hz, use an HDMI cable (ultra high-speed).
• If the other solutions do not solve the problem, reset all of the projector settings using the options on
the Initial/All Settings menu.
Parent topic: Solving Image or Sound Problems
Related references
Input Signal Settings - Signal I/O Menu
Solutions When "No Signal" Message Appears
If the "No Signal" message appears, try the following solutions:
• Press a source button on the remote to select an available source. Wait a few seconds for an image to
appear.
• Turn on the connected computer or video source, and press its play button to begin your presentation,
if necessary.
• Check the connection from the projector to your video sources.
• If you are projecting from a laptop computer, make sure it is set up to display on an external monitor.
• If necessary, turn the projector and the connected computer or video source off and then on again.
• Try a different video cable.
• If you connected a streaming device, try a different power cable or use external power.
• If your streaming device is connected to a soundbar or receiver, make sure you have selected the
correct source on your soundbar or receiver.
• If the other solutions do not solve the problem, reset all of the projector settings using the options on
the Initial/All Settings menu.
Displaying From a PC Laptop
Displaying From a Mac Laptop
Parent topic: Solving Image or Sound Problems
Displaying From a PC Laptop
If you see the "No Signal" message when you display from a PC laptop, you need to set up the laptop to
display on an external monitor.
1. On Windows 7 or later, hold down the Windows key and press P at the same time, then click
Duplicate.