If the LG projector says there is no signal on the screen, here is the solution.
Steps to fix no siganl of LG projector
• Check if the cable connected to the external device is properly connected to the projector.
• Go to setting and select input option to choose the connected input.
• Check if your external device, such as a set-top box or Blu-ray player, is turned on.
In this case, your LG projector should be able to present the image on the screen normally.
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