While you wait for answers, we may have found some information which could help you.
Click here for Green Lights Turn
how to repair my blank screen?
dell inspiron 5040 plugged in not charging?
The Dell adapter can't be recognized?
DELL won't turn on?
device driver downloads for Dell Latitude E6400 PCI Port & PCI Controller?
My laptop is showing it is not connected to the network, but it is?