# Кусок файла xorg.conf необходимый для монитора lg, то что в лабе
# Ключевой момент который надо поменять(дописать) параметры HorizSync и VertRefresh 
Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       30.0 - 83.0
    VertRefresh     56.0 - 75.0
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
        Modes      "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
EndSection

=========================================================================================================

Бракованный (после недостаточного ремонта) LG монитор у кресла (cat4):

# xorg.conf (X.Org X Window System server configuration file)
# This file generated by Alex
Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       30.0 - 65.0
    VertRefresh     50.0 - 72.0
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
        Modes      "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
EndSection

================================================
То, что было в образе от 17.02.2011 

####


#Section "Monitor"
#	Identifier	"Configured Monitor"
#EndSection

#Section "Screen"
#	Identifier	"Default Screen"
#	Monitor		"Configured Monitor"
#	Device		"Configured Video Device"
#	DefaultDepth	24
#	Option	"AddARGBGLXVisuals"	"True"
#EndSection

#Section "Module"
#	Load	"glx"
#EndSection

#Section "InputDevice"
#	Identifier "Generic Keyboard"
#	Driver "kbd"
#	Option "CoreKeyboard"
#	Option "XkbModel" "pc105"
#	Option "XkbLayout" "us,ru(winkeys)"
#	Option "XkbOptions" "grp:alt_shift_toggle"
#EndSection

#Section "InputDevice"
#	Identifier	"Configured Mouse"
#	Driver		"mouse"
#	Option		"CorePointer"
#EndSection

#Section "ServerLayout"
#	Identifier	"Default Layout"
#	Screen		"Default Screen"
#EndSection

#Section "Device"
#	Identifier	"Configured Video Device"
#	Driver	"nvidia"
#	Option	"NoLogo"	"True"
#EndSection