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Number one is you do not have enough RAM. Laptops use shared RAM for the Video. If there isn't enough then the video will not get refreshed correctly.
If this problem has just started then you have added or changed some program that is running either in the forground or the background. If you didn't add anything then it could be a spyware or virus that is causing it, so I would start by checking for those.
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Dale Douglass 2nd Generation Karaoke I am not a member of the MTU Staff.
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