While you wait for answers, we may have found some information which could help you.
Click here for Laptop Dropped Brokenhow to repair my blank screen?
dell inspiron 5040 plugged in not charging?
device driver downloads for Dell Latitude E6400 PCI Port & PCI Controller?
The Dell adapter can't be recognized?
DELL won't turn on?
audio device drivers for Dell Latitude E6400?