What is your Intel graphics controller?
If you have difficulties finding your graphics controller, please complete the steps to identify your graphics controller at the link below:
Intel® Graphics Media Accelerator 4500MHD
It is the one inside the dell e6500.
Is there not a standardize method to force a monitor on? I am fully capable of dealing with either ensuring a monitor is connected or reverting to a single monitor configuration if the monitor is not going to be available.