the problem i was having was that the refresh rate was off,also when i tried too set it too 1024x768 it would lock up the desktop.i tried other settings on it but still wouldnt work.it was saying my sony monitor was a 16" monitor when its a 19".i read other people got it setup right but it just wasnt working for me.here is my xorg.conf file details:
# xorg.conf (X.Org 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
# 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
Identifier "Generic Keyboard"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
Identifier "Configured Mouse"
Identifier "Configured Video Device"
Identifier "Configured Monitor"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
Identifier "Default Layout"
Screen "Default Screen"