there is a flashing horizontal line in the top of my screen, I'm using Ubuntu 11.10 and I want to know how to fix it my specs are: Dell inspron 15r 5520 intel core i5 3 generation 3210 2.5GHz ivy bridge graphic radeon memory 4GB ddr3 single channel
closed as off topic by Tom Brossman, Jorge Castro, maythux, Amith KK, LnxSlck Oct 5 '12 at 11:11
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