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I used to have Ubuntu on my pc, but then I decided to try Xubuntu 13.04. I installed it but the better resolution available is 1024x768. I want to set a 1440x900 resolution, which is supported by my display and which I could set in Ubuntu 13.04 by using xrandr, creating a xorg.conf file, making thus the new settings permanent.

When I use xrandr in Xubuntu 13.04 to create a new "mode" (using the same method I applied for Ubuntu), everything is fine, the new mode is created. but when I try to apply it from the system settings menu, it apparently applies it (it also appears the pop-up window asking if I want to keep the setting) but the resolution is acstually still 1024x768!

I need some help, this issue is getting on my nerves.

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I once had a problem like this and it drove me crazy. In the end it was a problem with my monitor not sending the right resolution to the computer. when I went into the settings of my monitor and did a reset on the settings the problem disappeared. I don't know if this is the case with you but you can check it out before getting into difficult settings... –  Wouter Sep 17 '13 at 12:46
I made a reset of my monitor, but still the resolution is stuck at 1024x768 :( –  CarloDeDonno Sep 17 '13 at 13:29

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