Ubuntu thinks I have two displays

Posted by ResidentBiscuit on Ask Ubuntu See other posts from Ask Ubuntu or by ResidentBiscuit
Published on 2013-10-20T15:49:57Z Indexed on 2013/10/20 16:10 UTC
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display

When I first installed Ubuntu I noticed that my mouse would flicker a lot, which caused me to investigate. I remembered back when I ran Fedora I had an issue where it thought I had two displays (hp-dv7 4285dx laptop). In Fedora, this didn't cause any issues. In Ubuntu, it causes the mouse the flicker a lot. The fix I've been using is to just go into settings > displays and disable the display that doesn't actually exist. The only problem is that this is not permanent. Each time I start up Ubuntu, I have to go back in and disable this display. They're each just titled "Built-in Display", and have the same resolution.

My laptop does have two graphics cards: one on-board and one dedicated. I'm not sure if maybe that is causing is an issue? Any guidance towards this would be great.

Thanks!

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