White stripes occur while I am typing while watching a video on my Macbook?
I have a two year old Apple Macbook and I have just recently had a problem with watching videos. When I am watching a video, like on YouTube for example, and typing in an Instant Message at the same time, I notice that white stripes show up on the video and/or the video starts to lag. Any help anyone could offer would be great. I want to catch it before it becomes a bigger problem. Thanks!
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