dell screen problem on fc4
 

I have a problem with fc4.
i installed it on my laptop and now if i am not connected to the docking station i don't see nothing.(the prob it not fn-f8)
on fc3 when i installed the dirver for the 915 intel video card it repair it but now it don't work.
Did someone have the same problem?

Regards.

what's the dell model?

latitude 610d
the graphic card i thinks is intel 915.