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Thread: Video resolution

  1. #1
    Join Date
    Nov 2009
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    14
    Distro
    Ubuntu 9.10 Karmic Koala

    Video resolution

    Hello.

    I'm new in Linux world.

    I installed ubuntu 9.10 in PC with pentium III 933MHz, 512Mb RAM and Matrox G400 32Mb video card.

    There is a small problem with video resolution.
    Ubuntu doesn't allow me to setup a resolution higher than 800 x 600.

    Can someone help me?

    Thank you

    Fabio

  2. #2
    Join Date
    Nov 2009
    Beans
    3

    Re: Video resolution

    I've got a similar problem, got an intel 910gl integrated graphics card. Stuck on 800x600 resolution. I think the solution involves making an xorg.conf file (since I don't seem to have one/or an empty xorg.conf) and inserting some values into it, though i am unsure of the exact procedure.
    Last edited by anonymous1986; November 17th, 2009 at 03:43 PM.

  3. #3
    Join Date
    Nov 2009
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    14
    Distro
    Ubuntu 9.10 Karmic Koala

    Re: Video resolution

    Thank you for your interesting,

    I had check in folder /etc/X11 but there isn't xorg.conf file.

    How can i create it?

    Thank you

  4. #4
    Join Date
    Jan 2007
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    Hidden!
    Distro
    Kubuntu 11.04 Natty Narwhal

    Re: Video resolution

    To create empty xorg:

    sudo gedit /etc/X11/xorg.conf (save & close)

    configure it:

    sudo dpkg-reconfigure xserver-xorg

    have a look here:

    http://ubuntuforums.org/showthread.php?t=1302475&page=3
    that link should solve anonymous1986's problem because it is also intel.
    Last edited by realzippy; November 17th, 2009 at 05:00 PM. Reason: Horrible mistyped,sorry!!
    Best app ever: Easystroke

  5. #5
    Join Date
    Nov 2009
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    3

    Re: Video resolution

    Cheers realzippy ill try your suggestion out and report.

  6. #6
    Join Date
    Nov 2009
    Beans
    14
    Distro
    Ubuntu 9.10 Karmic Koala

    Re: Video resolution

    I tried do but an error "xrandr: Configure crtc 0 failed" occur

    Here what I did.

    Code:
    fabio@fabio-desktop:~$ cvt 1280 1024 60
    # 1280x1024 59.89 Hz (CVT 1.31M4) hsync: 63.67 kHz; pclk: 109.00 MHz
    Modeline "1280x1024_60.00"  109.00  1280 1368 1496 1712  1024 1027 1034 1063 -hsync +vsync
    fabio@fabio-desktop:~$ xrandr --newmode "1280x1024_60.00"  109.00  1280 1368 1496 1712  1024 1027 1034 1063 -hsync +vsync
    fabio@fabio-desktop:~$ xrandr --addmode default 1280x1024_60.00
    fabio@fabio-desktop:~$ xrandr --output default --mode 1280x1024_60.00
    xrandr: screen cannot be larger than 1024x768 (desired size 1280x1024)
    fabio@fabio-desktop:~$ xrandr --output default --mode 1024x768_60.00
    xrandr: Configure crtc 0 failed
    fabio@fabio-desktop:~$ xrandrù
    xrandrù: command not found
    fabio@fabio-desktop:~$ xrandr
    Screen 0: minimum 400 x 300, current 800 x 600, maximum 1280 x 1024
    default connected 800x600+0+0 0mm x 0mm
       800x600        60.0*    56.0  
       640x480        60.0  
       400x300        60.0     56.0  
       1024x768_60.00   59.9  
       1280x1024_60.00   59.9  
    fabio@fabio-desktop:~$ xrandr -q
    Screen 0: minimum 400 x 300, current 800 x 600, maximum 1280 x 1024
    default connected 800x600+0+0 0mm x 0mm
       800x600        60.0*    56.0  
       640x480        60.0  
       400x300        60.0     56.0  
       1024x768_60.00   59.9  
       1280x1024_60.00   59.9  
    fabio@fabio-desktop:~$
    Thank you all

    Fabio

  7. #7
    Join Date
    Nov 2009
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    Distro
    Ubuntu 9.10 Karmic Koala

    Re: Video resolution

    Please can someone give me an hint?

    Thank you

  8. #8
    Join Date
    Jun 2007
    Beans
    10,981

    Re: Video resolution

    Pastebin your /var/log/Xorg.0.log

  9. #9
    Join Date
    Nov 2009
    Beans
    14
    Distro
    Ubuntu 9.10 Karmic Koala

    Re: Video resolution

    Hello Temüjin,

    Here attached the log filese.
    Attached Files Attached Files

  10. #10
    Join Date
    Jun 2007
    Beans
    10,981

    Re: Video resolution

    Your problem...
    Code:
    (WW) MGA(0): Unable to estimate virtual size
    ...
    (--) MGA(0): Virtual size is 800x600 (pitch 800)
    So specify the virtual size manually in your /etc/X11/xorg.conf so the file looks like:
    Code:
    Section "Device"
            Identifier      "Configured Video Device"
    EndSection
    
    Section "Monitor"
            Identifier      "Configured Monitor"
    EndSection
    
    Section "Screen"
            Identifier      "Default Screen"
            Monitor         "Configured Monitor"
            Device          "Configured Video Device"
            SubSection "Display"
                 Virtual 1280 1024
            EndSubSection
    EndSection

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