What are the causes of the display jitter or ripple?

1, please check the power supply, if the monitor and computer host use the same socket, please plug the two separate sockets.

2, check whether there is electromagnetic interference. Typically, this interference comes from electronic devices near the display, such as speakers, cell phones, televisions, and so on, not too close to the monitor.

3, please check the wire around the monitor, the wire will generate magnetic field, remove or adjust the position of the wire, or constantly change the position of the monitor to determine whether the electromagnetic interference is really.

4, bad quality graphics card will also bring this problem, change the video card to try once.