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Thin Blue Line On Screen?

A

akm5231

macrumors newbie
Original poster
Oct 12, 2011
1
0
Hey guys, this thin blue line is appearing on every page, every browser, everything I do it's there in the bottom center of my screen...yet I can take a screenshot of it, which I've attached. What could this be? I have a 17" MacBook Pro, 2009. It's not distracting or anything, is it going to get worse? Thanks!
 

Attachments

  • Picture 2.png
    Picture 2.png
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