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Why do I get no video, blurred screen/audio, or flashing screens when my PC and monitor are connected with a mini display port cable?

Troubleshooting

Symptom
 - No video, audio/video noise, or flashing video occurs when PC and monitor are connected with Mini DisplayPort cable.

 

No video, audio/video noise, or flashing video occurs when PC and monitor are connected with Mini DisplayPort cable.

 

Checkpoint

 - Use Mini DisplayPort cable provided with the product to connect PC and monitor.

 - Check whether label saying Real 4k x 2k is attached to Mini DisplayPort cable.

Use Mini DisplayPort cable provided with the product to connect PC and monitor.Check whether label saying Real 4k x 2k is attached to Mini DisplayPort cable.

How to fix

 - Signal frequency is high for Model 31MU97, a high definition (4K) model, therefore audio and video output may not be complete
    when a general cable is used to connect PC and monitor.

    Please use Real 4k x 2k labeled Mini DisplayPort cable for connection.

*Required question