Framebuffer probs in Acer Aspire 4520

HOWTO: Fix framebuffer problems after installation of new kernel in Acer Aspire 4520
Failed to initialize the NVIDIA graphics 

xorg.conf

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder58)  Tue Oct 20 21:25:04 PDT 2009 Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection
Section "Files"
#    RgbPath         "/usr/X11R6/lib/X11/rgb"
EndSection
Section "Module"
   # Load           "freetype"
    Load           "dbe"
    Load           "extmod"
   # Load           "type1"
    Load           "glx"
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"
    Option         "XkbLayout" "us"
    Option         "XkbVariant" "intl"
    Option         "XkbOptions" "lv3:ralt_switch"
EndSection
Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       30.0 - 110.0
    VertRefresh     50.0 - 150.0
    Option         "DPMS"
EndSection
Section "Device"
    BusID          "PCI:0:18:0"
    Identifier     "Device 0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
EndSection
Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

linux drivers x64

# aptitude install nvidia-xconfig
# nvidia-xconfig

Actualmente el archivo que te configura es /etc/X11/XF86Config y no mas el xorg.conf.