While you wait for answers, we may have found some information which could help you.
Click here for Dell D600 Plugdell inspiron 5040 plugged in not charging?
DELL won't turn on?
device driver downloads for Dell Latitude E6400 PCI Port & PCI Controller?
My Dell Inspirion Windows 10 laptop has no network socket?
My laptop is showing it is not connected to the network, but it is?
audio device drivers for Dell Latitude E6400?