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Thread: No xorg.conf found in /etc/X11 (Ubuntu 10.04)

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  1. #1
    Join Date
    May 2008
    Location
    Iceland
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    Distro
    Kubuntu 10.10 Maverick Meerkat

    No xorg.conf found in /etc/X11 (Ubuntu 10.04)

    Hey.

    I'm trying to get a second monitor working on a Acer laptop running 10.04. It seems to work; the monitor is recognized and automatically configured (which is very nice, by the way!).

    However, the monitor's refresh rates seem to be configured incorrectly. I thought "no problem, I'll just tweak the xorg.conf"... only to find that there is no such file. - I've used this monitor (A 19'' Acer LCD) before on this laptop, using an older version of Ubuntu (8.10 and 9.04), so it should be compatible.

    Reading other threads here, I tried using a few versions of:
    Code:
    sudo dpkg-reconfigure xserver-xorg
    But none of them really did anything, and no xorg.conf has shown up yet.

    Any help would be appreciated.

    A few spec highlights:
    • Acer Aspire 5670
    • ATI Radeon Mobility X1600
      "Mesa"/"radeon" driver. Auto intalled by Ubuntu.
    • Acer AL1916 (The extra LCD)
      Ubuntu identifies it as "Acer technologies 19''"


    Thanks,
    - Atli

  2. #2
    Join Date
    Sep 2009
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    Freiburg/Germany
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    1,112
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    Ubuntu 12.10 Quantal Quetzal

    Re: No xorg.conf found in /etc/X11 (Ubuntu 10.04)

    Current version of X.org don't use a xorg.conf by default but try to recognize everything automatically. If you create a xorg.conf it will be used.

    https://wiki.ubuntu.com/X/Config/Resolution may be helpful, too
    ClassicMenu Indicator - classic GNOME menu for Unity
    Unsettings - configuration program for the Unity
    Privacy Indicator - easily switch privacy settings in Unity
    Arronax - create and modify app starters

  3. #3
    Join Date
    May 2008
    Location
    Iceland
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    Kubuntu 10.10 Maverick Meerkat

    Re: No xorg.conf found in /etc/X11 (Ubuntu 10.04)

    Thanks diesch. That link was a big help.

    I've managed to use the xrandr command to modify the refresh rate, but I still can't seem to manage to sync the horizontal and vertical rates so the screen stops flickering.

    Closest I've gotten so far is to use:
    Code:
    $ gtf 1280 1024 60
    to generate a Modeline, and then apply that to the screen by doing:
    Code:
    $ xrandr --newmode "1280x1024_60.00"  108.88  1280 1360 1496 1712  1024 1025 1028 1060  -HSync +Vsync
    $ xrandr --addmode VGA-0 "1280x1024_60.00"
    $ xrandr --output VGA-0 --mode "1280x1024_60.00"
    The screen still flickers, but not as badly as it used to. It's more like a slow "wobble" right now
    Still unusable, of course, but I'm getting closer (I think).

    Thanks again.

  4. #4
    Join Date
    Oct 2005
    Beans
    37

    Re: No xorg.conf found in /etc/X11 (Ubuntu 10.04)

    Seems I am having the same problem, I just upgraded from 9.10 to 10.04 Beta 2.

    Using a atix1250 and an external Samsung SyncMaster2333.

    Have you made any leadway?

    I will start playing with the xrandr commands this weekend to see if I can come up with a acceptable fix.

  5. #5
    Join Date
    Jun 2007
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    17
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    Kubuntu Development Release

    Re: No xorg.conf found in /etc/X11 (Ubuntu 10.04)

    Quote Originally Posted by AtliThor View Post
    The screen still flickers, but not as badly as it used to. It's more like a slow "wobble" right now
    Still unusable, of course, but I'm getting closer (I think).

    Thanks again.
    I have a similar config to you and I tried 59.5 for the refresh. Works fines, no flickering. Now I just need to figure out how to generate a new xorg.conf to get the settings to persist.

  6. #6
    Join Date
    Aug 2007
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    113
    Distro
    Ubuntu

    Re: No xorg.conf found in /etc/X11 (Ubuntu 10.04)

    how do i use "xrandr" to manually set my laptop's main resolution? i dont have any external monitors...

  7. #7
    Join Date
    Nov 2009
    Beans
    57

    Re: No xorg.conf found in /etc/X11 (Ubuntu 10.04)

    Is it possible to edit the xorg.conf file? It says it's owned by root and I can't make any changes.

  8. #8
    Join Date
    May 2007
    Beans
    4

    Re: No xorg.conf found in /etc/X11 (Ubuntu 10.04)

    This works you should place this as solved


    Quote Originally Posted by AtliThor View Post
    Thanks diesch. That link was a big help.

    I've managed to use the xrandr command to modify the refresh rate, but I still can't seem to manage to sync the horizontal and vertical rates so the screen stops flickering.

    Closest I've gotten so far is to use:
    Code:
    $ gtf 1280 1024 60
    to generate a Modeline, and then apply that to the screen by doing:
    Code:
    $ xrandr --newmode "1280x1024_60.00"  108.88  1280 1360 1496 1712  1024 1025 1028 1060  -HSync +Vsync
    $ xrandr --addmode VGA-0 "1280x1024_60.00"
    $ xrandr --output VGA-0 --mode "1280x1024_60.00"
    The screen still flickers, but not as badly as it used to. It's more like a slow "wobble" right now
    Still unusable, of course, but I'm getting closer (I think).

    Thanks again.

  9. #9
    Join Date
    Nov 2010
    Beans
    4

    Re: No xorg.conf found in /etc/X11 (Ubuntu 10.04)

    Hi all,

    I also need to create an xorg.conf file but only to set a couple of parameters and do not wish to mess with the rest. Can an xorg.conf file have only partial information, say for the touchpad only or would this block my computer?

    I'm actually using Ubuntu 10.10.

    Thanks,

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