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Thread: Increase monitor resolution

  1. #31
    Join Date
    May 2008
    Beans
    9

    Re: [SOLVED]Increase monitor resolution

    perfect!! Thank you soooo much!

  2. #32
    Join Date
    May 2010
    Location
    New Zealand
    Beans
    94
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: [SOLVED]Increase monitor resolution

    after step 5, the message:
    Code:
    xrandr: screen cannot be larger than 800x600 (desired size 1024x768)
    appears.
    I know that this is not the case as this computer has always used 1024x768 before now, it has just started having these problems in 10.04. my monitor is an old CRT type, so it should support all screen resolutions anyway. sometimes my computer starts up as it should with the 1024x768 option, while sometimes it does not.

    any help would be much appreciated as most web pages do not display correctly in 800x600 mode.
    Last edited by sundays211; June 28th, 2010 at 05:48 AM.

  3. #33
    Join Date
    Oct 2007
    Location
    Aleppo, Syria
    Beans
    89
    Distro
    Kubuntu

    Re: [SOLVED]Increase monitor resolution

    After closing some game my display resolution turned into 640x480 so I tried to modify xorg.conf to the following but I noticed that there are disappeared sides (at right & left) in my monitor and fonts appear small and ugly!!!

    How can I fix this issue?
    ----xorg.conf-----
    Code:
    # nvidia-settings: X configuration file generated by nvidia-settings
    # nvidia-settings:  version 260.19.06  (buildd@yellow)  Mon Oct  4 15:59:51 UTC 2010
    
    # nvidia-xconfig: X configuration file generated by nvidia-xconfig
    # nvidia-xconfig:  version 260.19.06  (buildmeister@builder101)  Mon Sep 13 04:59:45 PDT 2010
    
    Section "ServerLayout"
        Identifier     "Layout0"
        Screen      0  "Screen0" 0 0
        InputDevice    "Keyboard0" "CoreKeyboard"
        InputDevice    "Mouse0" "CorePointer"
        Option         "Xinerama" "0"
    EndSection
    
    Section "Files"
    EndSection
    
    Section "InputDevice"
    
        # generated from default
        Identifier     "Mouse0"
        Driver         "mouse"
        Option         "Protocol" "auto"
        Option         "Device" "/dev/psaux"
        Option         "Emulate3Buttons" "no"
        Option         "ZAxisMapping" "4 5"
    EndSection
    
    Section "InputDevice"
    
        # generated from default
        Identifier     "Keyboard0"
        Driver         "kbd"
    EndSection
    
    Section "Monitor"
        Identifier     "Monitor0"
    #    VendorName     "Unknown"
    #    ModelName      "CRT-0"
    #    HorizSync       28.0 - 33.0
    #    VertRefresh     43.0 - 72.0
    #    Option         "DPMS"
    
    #    Identifier      "External DVI"
        Modeline        "1360x768_60.00"   84.75  1360 1432 1568 1776  768 771 781 798 -hsync +vsync
        Option          "PreferredMode" "1360x768_60.00"
    
    EndSection
    
    Section "Device"
        Identifier     "Device0"
        Driver         "nvidia"
        VendorName     "NVIDIA Corporation"
        BoardName      "GeForce 9500 GT"
    EndSection
    
    Section "Screen"
    
    # Removed Option "metamodes" "nvidia-auto-select @1360x768 +0+0"
    # Removed Option "metamodes" "640x480 @1360x768 +0+0"
        Identifier     "Screen0"
        Device         "Device0"
        Monitor        "Monitor0"
        DefaultDepth    24
    #    Option         "TwinView" "0"
    #    Option         "TwinViewXineramaInfoOrder" "CRT-0"
    #    Option         "metamodes" "640x480 +0+0"
        SubSection     "Display"
            Depth       24
    	Modes   "1360x768_60.00" "1024x768" "640x480"
        EndSubSection
    EndSection

    PS
    I tried to change display resolution from display settings before modifying xorg.conf but I couldn't find any resolution bigger than 640x480 so I forced to change the resolution manually
    Another thing, I tried the tip mentioned above but it didn't work because I got the following error message:
    Code:
    mbnoimi@admino-mbnoimi ~ $ xrandr
    xrandr: Failed to get size of gamma for output default
    Screen 0: minimum 320 x 240, current 1360 x 768, maximum 1360 x 768
    default connected 1360x768+0+0 0mm x 0mm
       1360x768       50.0*    53.0  
       1024x768       51.0  
       640x480        52.0  
       800x600        54.0     55.0     56.0  
       680x384        57.0     58.0  
       512x384        59.0  
       400x300        60.0  
       320x240        61.0  
    mbnoimi@admino-mbnoimi ~ $ cvt 1360 768
    # 1360x768 59.80 Hz (CVT) hsync: 47.72 kHz; pclk: 84.75 MHz
    Modeline "1360x768_60.00"   84.75  1360 1432 1568 1776  768 771 781 798 -hsync +vsync
    mbnoimi@admino-mbnoimi ~ $ xrandr --newmode "1360x768_60.00"   84.75  1360 1432 1568 1776  768 771 781 798 -hsync +vsync
    xrandr: Failed to get size of gamma for output default

  4. #34
    Join Date
    Oct 2007
    Location
    Aleppo, Syria
    Beans
    89
    Distro
    Kubuntu

    Re: [SOLVED]Increase monitor resolution

    Any suggest guys

  5. #35
    Join Date
    Dec 2010
    Beans
    25

    Re: [SOLVED]Increase monitor resolution

    I installed Ubuntu 10.10 Meerkat. Then my screen resolution was 1024x768(19" screen)
    It was acceptable.
    Now, I updated my system using Update manager and after restarting and now it is 800x600.

    I read all the posts in this thread and tried them

    saimanoj@saimanoj-desktop:~$ xrandr
    xrandr: Failed to get size of gamma for output default
    Screen 0: minimum 640 x 480, current 800 x 600, maximum 800 x 600
    default connected 800x600+0+0 0mm x 0mm
    800x600 61.0*
    640x480 60.0

    I am using an Nvidia Graphics card

    saimanoj@saimanoj-desktop:~$ lspci|grep VGA
    01:00.0 VGA compatible controller: nVidia Corporation G96 [GeForce 9400 GT] (rev a1)

  6. #36
    Join Date
    Jan 2010
    Location
    Missouri US
    Beans
    22
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: [SOLVED]Increase monitor resolution

    Thanks for the post. I can finally run higher than 1024x768 on a 19" monitor. I have a question that arose when messing with the /etc/gdm/Init file that is a little off topic, maybe someone could help point me towards the answer. It looks like some settings for the initial login (gdm?) are here. Is that correct? If so can they be changed to make the login box look different? I have found ways to change the colors and picture, but I would like to make the box either transparent or just the input box displayed without the rest of the stuff. Thanks again.

  7. #37
    Join Date
    Feb 2011
    Beans
    1

    Re: [SOLVED]Increase monitor resolution

    Code:
    koetsu@Thor:~$ xrandr --newmode “2048x1152_60.00″  197.97  2048 2184 2408 2768  1152 1153 1156 1192  -HSync +Vsync
    
    koetsu@Thor:~$ xrandr --addmode LVDS1 2048x1152_60.00
    X Error of failed request:  BadMatch (invalid parameter attributes)
      Major opcode of failed request:  150 (RANDR)
      Minor opcode of failed request:  18 (RRAddOutputMode)
      Serial number of failed request:  33
      Current serial number in output stream:  34
    Im stuck here, please help me!

    I'm using ubuntu 10.10

  8. #38
    Join Date
    Jun 2007
    Location
    Cambridge, Mass., USA
    Beans
    33
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: [SOLVED]Increase monitor resolution

    Today I woke up and turned on my ubuntu desktop to find that my large screen resolution was no longer available.

    I've tried the various solutions in this thread but they did not help.

    - xrandr says today that the maximum resolution is 1024x768 (yesterday I had a much higher resolution, probably 1920x1200).
    - reinstalling gnome.session made no difference
    - attempting to install envyng-core using Synaptic Package Manager only leads me to believe that envyng-core does not exist (not found)
    - running dpkg-reconfigure xserver-xorg (with gdm stopped) did not help

    Yes, it's NVidia. Everything worked fine yesterday, I did not install or alter anything, and today the machine is different.
    Last edited by ahkond; April 11th, 2011 at 07:48 PM. Reason: further failed attempts

  9. #39
    Join Date
    May 2007
    Location
    England
    Beans
    198
    Distro
    Lubuntu

    Re: [SOLVED]Increase monitor resolution

    This is NOT SOLVED for most people here!!!!
    Ubuntu and Diabol/Canon- ical are as ***t as ever at dealing with unrecognised monitors. FFS solve this problem properly!

  10. #40
    Join Date
    Oct 2011
    Beans
    12

    Re: [SOLVED]Increase monitor resolution

    After inserting:

    Code:
    xrandr --newmode "1280x800_60.00"   83.50  1280 1352 1480 1680  800 803 809 831 -hsync +vsync
    on step 3 I get the following output:

    Code:
    xrandr: Failed to get size of gamma for output default
    Is there any way to fix this ?

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