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Possible Duplicate:
How to set the monitor to its native resolution which is not listed in the resolutions list?
Screen resolution stuck at 1024x768

I don't know if there is already a question like that but after my last update (Update manager) when i logged in Ubuntu my resolution was set to 1024/768 and there is no option at displays to change it to another.when i use the command -> sudo apt-get install nvidia-current the output at terminal is that : 

sudo apt-get install nvidia-current

Reading package lists... Done
Building dependency tree       
Reading state information... Done
nvidia-current is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.

I am noob with Ubuntu and i would like some help to fix this problem. Thanks in advance for your help

Community
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Emilios.K
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1 Answers1

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remove the xorg config file & reboot.

Type in

sudo mv /etc/X11/xorg.conf /etc/X11/xorg.conf.back.

Then reboot the system sudo reboot now

If that doesn't solve the problem or cause any other thing, revert back using

sudo mv /etc/X11/xorg.conf.backup /etc/X11/xorg.conf

Web-E
  • 21,418
  • the answer at the first command: mv: cannot stat `/etc/X11/xorg.conf': No such file or directory – Emilios.K Sep 28 '12 at 11:40
  • and something else, when i try to open nvidia x server settings i get the message : You do not appear to be using the NVIDIA X driver. Please edit your X configuration file (just run nvidia-xconfig as root), and restart the X server. – Emilios.K Sep 28 '12 at 11:51
  • execute sudo nvidia-xconfig, try to change resolution and reboot. – Web-E Sep 28 '12 at 11:59
  • The output of xrandr: xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 1024 x 768, maximum 1680 x 1050 default connected 1024x768+0+0 0mm x 0mm 1024x768 61.0* 800x600 61.0
    640x480 60.0
    1680x1050_60.00 60.0
    1680x105_60.00 (0x73) 146.2MHz h: width 1680 start 1784 end 1960 total 2240 skew 0 clock 65.3KHz v: height 1050 start 1053 end 1059 total 1089 clock 60.0Hz     – Emilios.K Sep 28 '12 at 12:40
  • And the output of command xrandr --addmode default 1680x1050_60.00 ekeinos@ekeinos-OEM:~$ xrandr --addmode default 1680x1050_60.00 xrandr: Failed to get size of gamma for output default – Emilios.K Sep 28 '12 at 12:41