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    #1

    "Analog input cannot display this video mode" in full screen

    I'm running Kubuntu Feisty on a Dell Dimension 4700 with a ATI Radeon X300 card and the fgrlx driver from the repos at 1280x1024. The monitor is (I think) a Dell 1704FPV. Recently, I messed around with fglrx from ATI.com, and then uninstalled that and reinstalled fglrx from the repos. Before, I couldn't get into 1280x1024 (max was 1024x76, but now I can. So that's what I'm in now. Unfortunately, anytime an app goes into full screen (like a game in WINE or VDrift), the screen goes black and displays:

    Analog input cannot display this video mode

    Dell claims "This means that the monitor cannot synchronize with the signal that it is receiving from the computer. Either the signal is too high or too low for the monitor to use. See Specifications for the Horizontal and Vertical frequency ranges addressable by this monitor. Recommended mode is 1280 X 1024 @ 60Hz."

    But dpkg-reconfigure xserver-xorg had it at 60Hz (as did KControl). So, what's going on?
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    #2
    xorg.conf

    # /etc/X11/xorg.conf (xorg X Window System server configuration file)
    #
    # This file was generated by dexconf, the Debian X Configuration tool, using
    # values from the debconf database.
    #
    # Edit this file with caution, and see the xorg.conf(5) manual page.
    # (Type "man xorg.conf" at the shell prompt.)
    #
    # This file is automatically updated on xserver-xorg package upgrades *only*
    # if it has not been modified since the last upgrade of the xserver-xorg
    # package.
    #
    # If you have edited this file but would like it to be automatically updated
    # again, run the following command:
    # sudo dpkg-reconfigure -phigh xserver-xorg

    Section "Files"
    FontPath "/usr/share/fonts/X11/misc"
    FontPath "/usr/share/fonts/X11/cyrillic"
    FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
    FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
    FontPath "/usr/share/fonts/X11/Type1"
    FontPath "/usr/share/fonts/X11/100dpi"
    FontPath "/usr/share/fonts/X11/75dpi"
    # path to defoma fonts
    FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
    EndSection

    Section "Module"
    Load "bitmap"
    Load "dbe"
    Load "ddc"
    Load "dri"
    Load "extmod"
    Load "freetype"
    Load "glx"
    Load "int10"
    Load "record"
    Load "v4l"
    Load "vbe"
    EndSection

    Section "InputDevice"
    Identifier "Generic Keyboard"
    Driver "kbd"
    Option "CoreKeyboard"
    Option "XkbRules" "xorg"
    Option "XkbModel" "pc104"
    Option "XkbLayout" "us"
    Option "XkbOptions" "altwin:meta_win"
    EndSection

    Section "InputDevice"
    Identifier "Configured Mouse"
    Driver "mouse"
    Option "CorePointer"
    Option "Device" "/dev/input/mice"
    Option "Protocol" "ImPS/2"
    Option "ZAxisMapping" "4 5"
    Option "Emulate3Buttons" "true"
    EndSection

    Section "InputDevice"
    Driver "wacom"
    Identifier "stylus"
    Option "Device" "/dev/input/wacom"
    Option "Type" "stylus"
    Option "ForceDevice" "ISDV4" # Tablet PC ONLY
    EndSection

    Section "InputDevice"
    Driver "wacom"
    Identifier "eraser"
    Option "Device" "/dev/input/wacom"
    Option "Type" "eraser"
    Option "ForceDevice" "ISDV4" # Tablet PC ONLY
    EndSection

    Section "InputDevice"
    Driver "wacom"
    Identifier "cursor"
    Option "Device" "/dev/input/wacom"
    Option "Type" "cursor"
    Option "ForceDevice" "ISDV4" # Tablet PC ONLY
    EndSection

    Section "Device"
    Identifier "ATI RADEON X300"
    Driver "fglrx"
    BusID "PCI:1:0:0"
    EndSection

    Section "Extensions"
    Option "Composite" "0"
    EndSection

    Section "Monitor"
    Identifier "Generic Monitor"
    Option "DPMS"
    HorizSync 30-65
    VertRefresh 50-75
    EndSection

    Section "Screen"
    Identifier "Default Screen"
    Device "ATI RADEON X300"
    Monitor "Generic Monitor"
    DefaultDepth 24
    SubSection "Display"
    Depth 1
    Modes "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection "Display"
    Depth 4
    Modes "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection "Display"
    Depth 8
    Modes "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection "Display"
    Depth 15
    Modes "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection "Display"
    Depth 16
    Modes "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection "Display"
    Depth 24
    Modes "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
    EndSection

    Section "ServerLayout"
    Identifier "Default Layout"
    Screen "Default Screen"
    InputDevice "Generic Keyboard"
    InputDevice "Configured Mouse"
    InputDevice "stylus" "SendCoreEvents"
    InputDevice "cursor" "SendCoreEvents"
    InputDevice "eraser" "SendCoreEvents"
    EndSection

    Section "DRI"
    Mode 0666
    EndSection
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      #3
      Re: "Analog input cannot display this video mode" in full screen

      I don't enough about ATI drivers to help much, but are you sure this section:

      Code:
      Section "Monitor"
  Identifier  "Generic Monitor"
  Option   "DPMS"
  HorizSync  30-65
  VertRefresh  50-75
EndSection
      is showing sync and refresh rates that your monitor can handle? If any of those ranges go beyond the limits of your monitor, then that's going to be trouble. When you're going to full-screen mode with a graphic, it's going to stress the top end of both horizontal and vertical refresh, especially at the higher resolutions. :P
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