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I wondering if someone can help me configure my displaylink usb adapter to work with my macbook pro.

So far all it does is display the green screen but if i try to configure the xorg.conf file it turns everthing off and I have to boot to a command line and edit the xorg.conf back to the default.

I have followed all of directions but nothing works i am in need of help. Below is my default xorg.conf file.

  • I have the macbook docked with an apple cinema display 20" running off the mini displayport

  • Another apple cinema display 20" is connected to the displaylink usb adapter.

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 270.29  (buildd@allspice)  Fri Feb 25 14:42:07 UTC 2011
# commented out by update-manager, HAL is now used and auto-detects devices
# Keyboard settings are now read from /etc/default/console-setup
#Section "InputDevice"
#
#    # generated from default
#    Identifier     "Mouse0"
#    Driver         "mouse"
#    Option         "Protocol" "auto"
#    Option         "Device" "/dev/psaux"
#    Option         "Emulate3Buttons" "no"
#    Option         "ZAxisMapping" "4 5"
#EndSection
# commented out by update-manager, HAL is now used and auto-detects devices
# Keyboard settings are now read from /etc/default/console-setup
#Section "InputDevice"
#
#    # generated from default
#    Identifier     "Keyboard0"
#    Driver         "kbd"
#EndSection

Section "Monitor"
  Identifier     "Monitor0"
  VendorName     "Unknown"
  ModelName      "Apple CinemaDisplay"
  HorizSync       30.0 - 75.0
  VertRefresh     60.0
  Option         "DPMS"
EndSection

Section "Monitor"
  Identifier     "Monitor1"
  VendorName     "Unknown"
  ModelName      "Apple CinemaDisplay"
  HorizSync       30.0 - 75.0
  VertRefresh     60.0
  Option         "DPMS"
  # HorizSync source: edid, VertRefresh source: edid
EndSection

Section "Screen"
  Identifier     "Screen0"
  Device         "Device0"
  Monitor        "Monitor0"
  DefaultDepth    24
  Option         "TwinView" "0"
  Option         "TwinViewXineramaInfoOrder" "DFP-1"
  Option         "metamodes" "DFP-1: nvidia-auto-select +0+0"
  # Removed Option "TwinView" "0"
  # Removed Option "metamodes" "DFP-0: nvidia-auto-select +0+0"
  # Removed Option "TwinView" "1"
  # Removed Option "metamodes" "DFP-0: nvidia-auto-select +0+0, DFP-1: nvidia-auto-select +0+0"
  SubSection "Display"
      Depth       24
  EndSubSection
EndSection

Section "Screen"
  Identifier     "Screen1"
  Device         "Device1"
  Monitor        "Monitor1"
  DefaultDepth    24
  Option         "TwinView" "0"
  Option         "metamodes" "DFP-1: nvidia-auto-select +0+0"
  SubSection "Display"
      Depth       24
  EndSubSection
EndSection

Section "ServerLayout"
  Identifier     "Layout0"
  Screen      0  "Screen0" 0 0
  Option         "Xinerama" "0"
  # commented out by update-manager, HAL is now used and auto-detects devices
  # Keyboard settings are now read from /etc/default/console-setup
  #    InputDevice    "Keyboard0" "CoreKeyboard"
  # commented out by update-manager, HAL is now used and auto-detects devices
  # Keyboard settings are now read from /etc/default/console-setup
  #    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "Device"
  Identifier     "Device0"
  Driver         "nvidia"
  VendorName     "NVIDIA Corporation"
  BoardName      "GeForce 9400M"
  Option  "NoLogo"    "True"
EndSection

Section "Device"
  Identifier     "Device1"
  Driver         "nvidia"
  VendorName     "NVIDIA Corporation"
  BoardName      "GeForce 9400M"
  BusID          "PCI:2:0:0"
  Screen          1
EndSection
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closed as too localized by Luis Alvarado Mar 14 '13 at 16:05

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