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[LG Monitor] I connected the Mini DisplayPort cable but the screen is shaking

Troubleshooting

Causes and Symptoms

  • I connected the 31MU97 model and the PC via Mini Displayport, but the screen is blank.
  • I connected the Mini DisplayPort cable, but there are screen/voice noises and screen flickering.
screen/voice noises and screen flickering.

Try this

Check if the Mini DisplayPort cable included in the product package is used to connect the PC and the monitor.
Check if the [Real 4k 2k] label is attached to the Mini DisplayPort cable.

Check if the [Real 4k 2k] label is attached to the Mini DisplayPort cable

The 31MU97 model is a high definition(4K) model with high signal frequencies, thus if you use the general cable sold in the market to connect the PC and the monitor, it might fail to output video and voice due to signal losses.
Make sure to use the Mini DisplayPort cable with the [Real 4k x 2k] label included in the product package to connect the PC and the monitor.

This guide was created for all models, so the images or content may be different from your product.

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