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Waves Sometimes when I use the computer I get somthing like waves going accross the whole screen. They appear and dissapear after a while. Any suggestions on how to fix this?

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Jul 28, 2009 | Computer Monitors

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Hi hoovs, Waves streaming normally comes from the 60 cycles hum of the AC mains. Sometimes this is caused by poor or loose grounding in the video cable or at times a weak or defective capacitor in the power supply of the monitor or at times low voltage supply to the monitor. If after checking your cables (both power and video) are not loose and are snugly fitted to their connection points and you still get the waves, then you are probably better off returning the unit for replacement. Another thing you can check is if the monitor is getting enough power. If the monitor's power supply is rated 100~240 VAC, then it should work out ok. If it's got a 240 rating and you are using it in 110, then the monitor is not getting enough juice which may cause the waves. On rare occasion, waves may be eliminated by simply plugging in the AC plug of your monitor the other way around. Hope this be of some help to you. Pls post again how things turn up. Kind regards.

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It's power distortion. If you move the monitor away from the pc, the waves will stop. It's magnetic distortion causing this interference. Your monitor is fine.

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You might need to replace the surface mount capacitors. measure the ESR on them, the higher it is, the more likely you are to get ripples. If this doesn't say much to you, take it to a lab. Use the warranty if you have it offcourse. Good luck

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