If you have connected an HDMI cable to the ViewSonic projector, but there is still no video shown on the screen. You can check the following troubleshooting and solutions.
Troubleshooting
- Confirm the HDMI input is selected.
- Plug in the projector first, and then turn on the PC.
- Replace the HDMI cable, sometimes a cable may go bad.
- Try another signal type if available for example VGA, DVI, DisplayPort.
- Test the projector on a different computer with an HDMI port to make sure that it is not the video card.
Solutions
- Make sure that the power cable is connected to the back of the ViewSonic projector and that the power button is turned on. Double-check power strip if necessary.
- Verify that the computer is turned on and booted up.
- Make sure the video cable supplied with the panel is tightly secured to the video card in the computer and to the back of the projector.
- Change the input selection of the projector.
- Try a different video cable, the video cable may have a problem.
- If available, try another video connection. If your ViewSonic projector has a different signal type, try it to see if a different connection is able to get a signal. If your ViewSonic projector is connected to a Laptop or Notebook computer, or this is a secondary display, the video output settings on your operating system may be disabled, and you can confirm that the display.
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What Do Stuck or Twinkling Pixels Mean in ViewSonic Projector?
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