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Thread: Nvidia drivers dont support correct display resolution

  1. #1
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    Default Nvidia drivers dont support correct display resolution

    Hi! i am new to opensuse and have installed 11.2 KDE. It is simply perfect for my system.
    However after the initial setup the display resolution was set perfectly fine for my 18.5" LED monitor, default resolution was 1366x768, and everything looked good from desktop to fonts but the OSS drivers didn't support compositing so I decided to switch to nvidia drivers.
    I installed the driver as shown in openSUSE repositories page, for my 6600GT card. Now after rebooting everything is stretched,even the fonts look really ugly and fuzzy. I am unable to find any mode in Nvidia XServer settings that would correct the current ugly stretched display and I am unable to set 1366x768 manually as well, doing so my PC won't boot to KDM but rather sticks to console.

    Now it's for sure that my monitor and display card supports 1366x768 resolution but it's just that nvidia drivers/Nvidia XServer settings won't let me set that resolution.How can I set the resolution or even better if I can enable compositing using OSS drivers then that would be great an dm willing to switch back.

    Any help is appreciated

  2. #2
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    Default Re: Nvidia drivers dont support correct display resolution

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  3. #3
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    Default Re: Nvidia drivers dont support correct display resolution

    Hi kapz. Read the guide that caf referred you to. If you're still having problems after that, then post some more info.

    This command will tell us what the X-server discovered about your monitor's display mode capabilities

    Code:
    xrandr
    Sometimes there's a problem between the nvidia driver and the display's EDID. (There is a workaround if it turns out this is a problem).

    Can you tell us a bit more about your monitor? The brand and model might assist here. Is it connected via DVI cable? (If not, provide details about connection).

  4. #4
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    Default Re: Nvidia drivers dont support correct display resolution

    Hi thanks for all the help, I now removed proprietary driver and installed noveau or new nvidia OSS driver, so now it sets the default resolution to 1366x768 and as opposed to nv drivers KDE compositing at least lets me enable it with new oss driver, in nv the option to enable compositing is greyed out.

    problems:
    1. I love this resolution but the horizontal screen is cut on the right side of screen by approx 3-4 mm, is there a way I can set it to 1360x768 or a bit smaller than 1366?
    2. The compositing option is available however it says compositing is temporarily suspended and every time i resume it it instantly suspends it...help!

    @deano_ferrari: My monitor model is : ACER G195HQL
    output of xrandr:

    kapz@linux-lmv4:~> xrandr
    Screen 0: minimum 320 x 240, current 1366 x 768, maximum 1366 x 768
    default connected 1366x768+0+0 0mm x 0mm
    1366x768 60.0*
    1280x720 60.0
    1024x768 75.0 70.0 60.0
    832x624 75.0
    800x600 75.0 72.0 60.0 56.0
    700x525 60.0
    640x512 75.0 60.0
    640x480 75.0 73.0 67.0 60.0
    720x400 70.0
    576x432 75.0
    512x384 75.0 70.0 60.0
    416x312 75.0
    400x300 75.0 72.0 60.0 56.0
    320x240 75.0 73.0 60.0
    kapz@linux-lmv4:~>

  5. #5
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    Default Re: Nvidia drivers dont support correct display resolution

    I'm wondering what nVidia card you have and how you initially installed the propriety driver?
    I have installed openSUSE more times that I can remember and too the nVidia driver from the repo.
    I haven't had it fail yet in 11.2
    In previous version of openSUSE where there has been an issue installing that way, I have done it manually. In all, I have Never failed to install the driver.

    You will get the best performance from the propriety driver. I would try again.
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  6. #6
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    Default Re: Nvidia drivers dont support correct display resolution

    I'm not too familiar with the 3D acceleration capabilities of the nouveu driver. It is work in progress AFAIK.

    A nice Linux Magazine article on the nouveu driver for those who are interested:

    Set Your Desktop Free, With Nouveaus 3D | Linux Magazine

    For good graphics card performance, I think you will have to reinstall the nvidia driver again.

    Check out this Ubuntu thread concerning the use of a custom EDID to drive the display correctly.

    Another similar nv forums thread.

    I also refer you to this recent openSUSE thread (just read the posts concerning EDID):

    Yet another problem with xorg.conf - openSUSE Forums

  7. #7
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    Default Re: Nvidia drivers dont support correct display resolution

    @caf4926: Well I am using Nvidia GeForce 6200(sorry for early info on card).
    And just so as you know the proprietary driver behaves the same way in Arch and fedora as well, it was not until I tried openSUSE that I realized that there could be a better resolution for my wide screen monitor. Also I recently purchased this LED monitor and ever since I assumed that it looks like that(stretched) because it's wide and that there is no solution to it as NVIDIA drivers displayed all the standard resolutions up to 1400x1050 with no *x768 except 1024x768.

    I believe that the problem is related to incorrect EDID detection by Nvidia non oss driver/signals sent by monitor, as deano_ferrari suggests. Anyway I'll keep the thread open and see if I can get it to work under non oss driver.

    Thanks a lot for the pointers.

  8. #8
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    Default Re: Nvidia drivers dont support correct display resolution

    This should get you going with 1366x768

    Code:
    Section "Modes"
      Identifier   "Modes[0]"
    EndSection
    
    
    Section "Screen"
      DefaultDepth 24
      SubSection "Display"
        Depth      15
        Modes      "1366x768" "1360x768" "1280x768" "1280x720" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480" 
      EndSubSection
      SubSection "Display"
        Depth      16
        Modes      "1366x768" "1360x768" "1280x768" "1280x720" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480" 
      EndSubSection
      SubSection "Display"
        Depth      24
        Modes      "1366x768" "1360x768" "1280x768" "1280x720" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480" 
      EndSubSection
      SubSection "Display"
        Depth      8
        Modes      "1366x768" "1360x768" "1280x768" "1280x720" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480" 
      EndSubSection
      Device       "Device[0]"
      Identifier   "Screen[0]"
      Monitor      "Monitor[0]"
    EndSection

  9. #9
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    Default Re: Nvidia drivers dont support correct display resolution

    Hi kapz. Try resinstalling the nvidia driver as already suggested. Then create a basic xorg.conf with the nvidia-xconfig utility. See if brucecadieux's suggestion helps and report back.

    The xrandr results you posted were for the nouveu driver right? I'm more interested in what the output is when using the nvidia driver.

  10. #10
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    Default Re: Nvidia drivers dont support correct display resolution

    Hi deano_ferrari !

    Well I am lost now... reinstalled non oss nvidia drivers and ran nvidia-xconfig and rebooted, now the system boots to console and KDM does not show up, however if I rename or mv xorg.conf file the system boots fine but with OSS drivers I guess.

    I checked which modules are loaded by typing: lsmod | grep nv
    and it showed :

    kapz@kapxiX:~> lsmod | grep nv
    nvidia 9949348 0
    i2c_core 32628 2 nvidia,i2c_i801

    SO...:
    1. Proprietry nvidia driver wont load with or without xorg.conf file.
    2. When I boot with xorg.conf in place only at that time the propreitery driver loads up but stucks at console login and xrander does not run hence m unable to provide the output.
    3. The system boots fine w/o any xorg.conf file but it loads the OSS drivers as compositing is now disabled, but lsmod shows nvidia and not nv!

    Any ideas?

    Attached is my xorg.conf:

    PHP Code:
    # nvidia-xconfig: X configuration file generated by nvidia-xconfig
    # nvidia-xconfig:  version 1.0  (buildmeister@builder75)  Fri Mar 12 01:42:27 PST 2010

    Section "ServerLayout"
        
    Identifier     "Layout0"
        
    Screen      0  "Screen0"
        
    InputDevice    "Keyboard0" "CoreKeyboard"
        
    InputDevice    "Mouse0" "CorePointer"
    EndSection

    Section 
    "Files"
    EndSection

    Section 
    "InputDevice"
        
    # generated from data in "/etc/sysconfig/mouse"
        
    Identifier     "Mouse0"
        
    Driver         "mouse"
        
    Option         "Protocol" "IMPS/2"
        
    Option         "Device" "/dev/input/mice"
        
    Option         "Emulate3Buttons" "yes"
        
    Option         "ZAxisMapping" "4 5"
    EndSection

    Section 
    "InputDevice"
        
    # generated from default
        
    Identifier     "Keyboard0"
        
    Driver         "kbd"
    EndSection

    Section 
    "Monitor"
        
    Identifier     "Monitor0"
        
    VendorName     "Unknown"
        
    ModelName      "Unknown"
        
    HorizSync       28.0 33.0
        VertRefresh     43.0 
    72.0
        Option         
    "DPMS"
    EndSection

    Section 
    "Device"
        
    Identifier     "Device0"
        
    Driver         "nvidia"
        
    VendorName     "NVIDIA Corporation"
    EndSection

    Section 
    "Screen"
        
    Identifier     "Screen0"
        
    Device         "Device0"
        
    Monitor        "Monitor0"
        
    DefaultDepth    24
        SubSection     
    "Display"
            
    Depth       24
        EndSubSection
    EndSection 

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