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How to Test an HDMI Port

Updated March 23, 2017

The need for more High-Definition Multimedia Interface (HDMI) ports may increase as the technology in playback devices -- HD televisions, computer monitors, projectors and gaming consoles -- continues to improve. However, high-quality images are rendered useless if the HDMI ports are damaged. You should test the HDMI ports to make sure they are in proper working condition for the playback device to receive video and audio from the source device.

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  1. Check the HDMI wires for damages to the wire or metal connectors. If there is stuff inside the HDMI head, use compressed air to remove the particles that would interfere with the image.

  2. Spray some compressed air into the HDMI port of the display device. Particles in the ports will also interfere with the working condition and picture quality of the device.

  3. Insert one end of the HDMI cable into the display device and the other end of the HDMI cable into the source device. The display device can include computer monitors, television and projectors. Source devices can be gaming consoles, video cameras and laptops.

  4. Turn on the display device and set it to the HDMI input mode.

  5. Turn on your source device and set it to export the image using the HDMI cable.

  6. Observe the image. If nothing is wrong with the picture and sound quality, the HDMI port is in working condition. If there are multiple HDMI ports, repeat the process for each port.

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Things You'll Need

  • HDMI cables
  • Source device (video game console or video camera)
  • Playback device with HDMI ports (computer monitor, television)

About the Author

Paul Lin has been writing professionally since 2010. He has written scripts for the National Science Foundation and short films that have won awards at film festivals. Lin holds a Bachelor of Arts in scriptwriting from the University of North Texas.

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