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I'm running 13.04 on an IBM machine with integrated intel graphics on a 1920x1080 monitor. When I boot up, the resolution is fine for a couple of seconds and then the screen goes black, and the display change to 1024x768 resolution. I am able to temporally fix the issue by just opening the display setting screen and (very stragely) the screen comes back to my 1920x1080 optimal resolution. I have to do this every time I boot up, lock the computer, or open some applications for the first time (ex. google chrome). I tried to install drivers for intel graphics, event though I read that they are already supported by ubuntu. I have a dual boot setup with Windows 7 and the problem only occur in Ubuntu.

Thanks alot for your help!

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For those wondering how to fix this: It turns out that my screen resolution was not correctly detected. I fixed it by permanatly setting the resolution in /etc/X11/xorg.conf file. Thanks to this post: rolling-ubuntu.blogspot.ca/2012/09/… –  Francis Bourassa Jul 8 '13 at 20:44
    
Could you post that comment as an answer, so that this question doesn't show up in the unanswered questions? –  papukaija Jul 8 '13 at 22:06
    
Actualy I could't because I'm a new user. Be it seems I can now! –  Francis Bourassa Jul 9 '13 at 19:56
    
Thanks. You'll be able to accept your own answer tomorrow evening; ie. 48 hours after your initial question was asked. –  papukaija Jul 9 '13 at 20:19

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For those wondering how to fix this: It turns out that my screen resolution was not correctly detected. I fixed it by permanatly setting the resolution in /etc/X11/xorg.conf file.

Thanks to this post: http://rolling-ubuntu.blogspot.ca/2012/09/how-to-permanently-change-screen.html

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