Okay, so I used the first method of renaming the gnome-settings-daemon.desktop and got to the login screen.
Then I used the recovery console and typed in the command:
gconftool-2 --type=bool --set /apps/gnome_settings_daemon/xrandr/turn_on_external_monitors_at_startup false
Then I exited the recovery console and continues to login to Gnome as usual.
Okay, so I used the first method of renaming the gnome-settings- daemon. desktop and got to the login screen.
Then I used the recovery console and typed in the command: settings_ daemon/ xrandr/ turn_on_ external_ monitors_ at_startup false
gconftool-2 --type=bool --set /apps/gnome_
Then I exited the recovery console and continues to login to Gnome as usual.
It all worked as you described... Thanks.