Fixing the screen resolution in Ubuntu when running in Microsoft Virtual PC is quite a task, but I did a small research and I found some ways around it.
Here is the fix, with a little help from my friends of course. Once you logon to Ubuntu GUI, go to Application, Accessories, Text Editor:
And copy the following code:
# 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 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”
EndSection
Section “InputDevice”
Identifier “Generic Keyboard”
Driver “kbd”
Option “CoreKeyboard”
Option “XkbRules” “xorg”
Option “XkbModel” “pc105″³
Option “XkbLayout” “us”
EndSection
Section “InputDevice”
Identifier “Configured Mouse”
Driver “mouse”
Option “CorePointer”
Option “Device” “/dev/input/mice”
Option “Protocol” “ImPS/2″³
Option “ZAxisMapping” “4 5″³
Option “Emulate3Buttons” “true”
EndSection
Section “InputDevice”
Driver “wacom”
Identifier “stylus”
Option “Device” “/dev/input/wacom”
Option “Type” “stylus”
Option “ForceDevice” “ISDV4″³ # Tablet PC ONLY
EndSection
Section “InputDevice”
Driver “wacom”
Identifier “eraser”
Option “Device” “/dev/input/wacom”
Option “Type” “eraser”
Option “ForceDevice” “ISDV4″³ # Tablet PC ONLY
EndSection
Section “InputDevice”
Driver “wacom”
Identifier “cursor”
Option “Device” “/dev/input/wacom”
Option “Type” “cursor”
Option “ForceDevice” “ISDV4″³ # Tablet PC ONLY
EndSection
Section “Device”
Identifier “Generic Video Card”
Driver “vesa”
BusID “PCI:0:8:0″³
EndSection
Section “Monitor”
Identifier “Generic Monitor”
Option “DPMS”
HorizSync 30-70
VertRefresh 50-160
EndSection
Section “Screen”
Identifier “Default Screen”
Device “Generic Video Card”
Monitor “Generic Monitor”
DefaultDepth 16
SubSection “Display”
Depth 16
Modes “1280×1024″³ “1024×768″³ “800×600″³
EndSubSection
EndSection
Section “ServerLayout”
Identifier “Default Layout”
Screen “Default Screen”
InputDevice “Generic Keyboard”
InputDevice “Configured Mouse”
# Uncomment if you have a wacom tablet
# InputDevice “stylus” “SendCoreEvents”
# InputDevice “cursor” “SendCoreEvents”
# InputDevice “eraser” “SendCoreEvents”
EndSection
Save the file as Xorg.conf in your profile folder. Close out of Text Editor, and open terminal by going to Applications, Accessories, Terminal. Do a backup of your current xorg.conf file just in case something goes wrong by typing the following command:
sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf.backup
Now replace the old xorg.conf file with new one we saved earlier by typing the following command on terminal:
sudo cp xorg.conf /etc/X11/xorg.conf
Restart your machine.Ubuntu should reboot just as it did before, but before asking you for the username and password it should display this window:
Click on configure. On the next screen click on Plug N, Play tab:
Select “Monitor 1280 X 1024″ from the list:
Click OK. For Resolution choose “1280 X 1024 @ 60Hz“ then select Test.
You should get a larger “˜gray’ window with option to keep the confguration. Select the option to keep it.Now the size of Ubuntu screen should be bigger, and the resolution better.







Whoa! you destroyed my xorg.conf file!!
I got no such window, i got a window asking to troubleshoot or start ubuntu in low graphics mode!
Now can you tell me how replace that backup of previous xorg file with the current xorg?