I suggest changing title in "Ubuntu 12.04 always resets refresh rate to
60 hz after reboot",  I have nvidia latest 304.60 on lcd monitor  that
starts with proper resolution after adding lines in xorg.conf section
monitor and section screen but cannot start with my preferred refresh
rate of 75 hz always have to use nvidia-settings, I tried using xrandr
to force 75 hz  with the command xrandr -s 1440x900 -r 75 but it sais
Rate 75.0 Hz not available for this size, so it seems as if X completely
avoid taking into consideration refresh rate different than 60 hz, here
my xorg.conf

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      "HannStar Display Corp Hanns.G HB171"
    HorizSync       24.0 - 71.0
    VertRefresh     55.0 - 75.0
    Option         "DPMS"
    Modeline "1440x900_75.00"  136.75  1440 1536 1688 1936  900 903 909 942 
-hsync +vsync
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 8400 GS"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option  "metamodes" "1440x900_75.00"
    Option         "Stereo" "0"
    Option         "nvidiaXineramaInfoOrder" "CRT-1"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

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https://bugs.launchpad.net/bugs/949071

Title:
  CRT monitor refresh setting always resets to 60 after reboot

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