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Thread: 11.4 - Higher display resolution?

  1. #1
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    Default 11.4 - Higher display resolution?

    I have newly installed 11.4 on a COMPAQ EVO D510 SFF with a NVIDIA GeForce 6200 and a Viewsonic G90fb CRT monitor. The monitor and the graphics card should be capable of 1600x1200 @77Hz but the maximum I can achieve is 1024x768 @ 50Hz. I have the NVIDIA 270.41.06 driver installed.

    The NVIDIA X Server interface does not seem to have any place to set or change the resolution capabilities of the attached monitor nor does it seem to recognize it specifically so I suspect that I am constrained by some sort of default.

    I had been discussing this in the thread 11.4 new install, only get cursor on black screen and it was suggested to me that I post here since I may have a better chance of catching the attention of a graphics card guru or two.

    Thanks in advance for any suggestions you might offer!

  2. #2
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    Default Re: 11.4 - Higher display resolution?

    This will almost be certainly due to your old CRT monitor not (or incorrectly) reporting its EDID info. (The driver then falls back to one of the safe vesa display modes).

    A good place to start is to upload the output of

    Code:
    cat /var/log/Xorg.0.log
    to SUSE Paste

    Post the link to it here. That will give us the additional info we need to confirm what the exact problem is.

    BTW, there are numerous threads on this topic reported in these forums if you search using the keywords 'nvidia', 'resolution', 'edid' and similar.

  3. #3
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    Default Re: 11.4 - Higher display resolution?

    Maybe you could try creating a minimal /etc/X11/xorg.conf like this

    Code:
    Section "Monitor"
    Identifier "Monitor0"
    HorizSync 45.0 - 100.0
    VertRefresh 50.0 - 80.0
    EndSection
    
    Section "Device"
    Identifier "Device0"
    Driver "nvidia"
    EndSection
    
    Section "Screen"
    Identifier "Screen0"
    Device "Device0"
    Monitor "Monitor0"
    DefaultDepth 24
    SubSection "Display"
    Depth 24
    Modes "1600x1200"
    EndSubSection
    EndSection
    If using KDE, you can edit/create xorg.conf with

    Code:
    kdesu kwrite /etc/X11/xorg.conf
    For Gnome

    Code:
    gnomesu gedit /etc/X11/xorg.conf
    See how that goes...

  4. #4
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    Default Re: 11.4 - Higher display resolution?

    This is nothing new I just want to copy the information over from the other
    thread (link to log file)

    georgeinacton wrote:

    >
    > for oldcpu: 'SUSE Paste' (http://www.susepaste.org/56290195)
    >

    I would guess this is your problem (from your posted file)
    Code:
    [    32.114] (WW) NVIDIA(GPU-0): The EDID read for display device CRT-1 is
    invalid:
    [    32.114] (WW) NVIDIA(GPU-0):     unrecognized EDID Header.
    Let's see what comes out in your other thread (post this susepaste link also
    in the other thread).
    I have to quit at this point and wish you success :-)


    --
    PC: oS 11.3 64 bit | Intel Core2 Quad Q8300@2.50GHz | KDE 4.6.3 | GeForce
    9600 GT | 4GB Ram
    Eee PC 1201n: oS 11.4 64 bit | Intel Atom 330@1.60GHz | KDE 4.6.0 | nVidia
    ION | 3GB Ram

  5. #5
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    Default Re: 11.4 - Higher display resolution?

    Hello deano and thank you.

    When I try kdesu kwrite /etc/X11/xorg.conf in a terminal window after giving the root pw, I get the message:

    "/root/.kde4/share/config/kdedre" not writeable.
    Please contact your system administrator.


    What can I try?

  6. #6
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    Default Re: 11.4 - Higher display resolution?

    Thanks Martin. I was expecting Xorg.0.log output containing those lines (based on symptoms reported).

  7. #7
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    Default Re: 11.4 - Higher display resolution?

    Quote Originally Posted by georgeinacton View Post
    When I try kdesu kwrite /etc/X11/xorg.conf in a terminal window after giving the root pw, I get the message:

    "/root/.kde4/share/config/kdedre" not writeable.
    Please contact your system administrator.


    What can I try?
    If it is /etc/X11/xorg.conf you are supposed to edit or create (and I'm not saying it is) then as a regular KDE user open (or create) the file with:
    Code:
    kdesu kwrite /etc/X11/xorg.conf
    and enter root password when prompted.

  8. #8
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    Default Re: 11.4 - Higher display resolution?

    Looks like you may have logged to your GUI as root. Don't do that, it can cause problems. Alway become root in a GUI with su kdesu gnomesu etc commands.

  9. #9
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    Default Re: 11.4 - Higher display resolution?

    Quote Originally Posted by oldcpu View Post
    If it is /etc/X11/xorg.conf you are supposed to edit or create (and I'm not saying it is) then as a regular KDE user open (or create) the file with:
    Code:
    kdesu kwrite /etc/X11/xorg.conf
    and enter root password when prompted.
    oldcpu - I did as you suggested and it worked in that I now have a file at /etc/X11/xorg.conf with the contents that deano suggested.

    A reboot but no change in resolution. In the Configure Desktop tool, Display and Monitor selection, no resolution higher than 1024x768 is available.

    Any other suggestions?

    Thank you.

  10. #10
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    Default Re: 11.4 - Higher display resolution?

    Just a guess. Maybe it can be persuaded with the addition of a custom mode-line:
    Code:
     cvt 1600 1200 77
    # 1600x1200 76.87 Hz (CVT) hsync: 96.62 kHz; pclk: 210.25 MHz
    Modeline "1600x1200_77.00"  210.25  1600 1720 1888 2176  1200 1203 1207 1257 -hsync +vsync
    This approach was used successfully here.

    So your xorg.conf would now look like

    Code:
    Section "Monitor"
    Identifier "Monitor0"
    HorizSync 45.0 - 100.0
    VertRefresh 50.0 - 80.0
    Modeline "1600x1200"  210.25  1600 1720 1888 2176  1200 1203 1207 1257 -hsyns +vsync
    EndSection
    
    Section "Device"
    Identifier "Device0"
    Driver "nvidia"
    EndSection
    
    Section "Screen"
    Identifier "Screen0"
    Device "Device0"
    DefaultDepth 24
    Monitor "Monitor0"
    Option  "metamodes" "1600x1200"
    SubSection "Display"
    Depth 24
    Viewport    0 0
    EndSubSection
    EndSection

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