While you wait for answers, we may have found some information which could help you.
Click here for Unlock Keyboard Laptopdell inspiron 5040 plugged in not charging?
DELL won't turn on?
device driver downloads for Dell Latitude E6400 PCI Port & PCI Controller?
The Dell adapter can't be recognized?
My laptop is showing it is not connected to the network, but it is?
how to fix dell inspiron 1545 date and time?