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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

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Is the flashing horizontal line all you see, or does your graphical user interface work just fine (but with an annoying line)? If the latter, a screenshot would be very helpful. – Eliah Kagan Oct 4 '12 at 6:53
Welcome to Ask Ubuntu! This question should instead be filed as a bug report, and as such is off-topic, thanks! Instructions on filing a bug report are here. – Jorge Castro Oct 4 '12 at 20:36
what was the fix to this bug? I have a similar issue on my Dell Vostro V2420..this happened after I did some updates on my Ubuntu 11.10 – Suvi Vignarajah Nov 7 '12 at 15:20

closed as off topic by Tom Brossman, Jorge Castro, maythux, Amith KK, LnxSlck Oct 5 '12 at 11:11

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1 Answer

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Install Graphic Drivers and your problem will be solved.

check out this articles click here and here

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