While you wait for answers, we may have found some information which could help you.
Click here for Latitude D600 Powerhow to fix dell inspiron 1545 date and time?
device driver downloads for Dell Latitude E6400 PCI Port & PCI Controller?
how to repair my blank screen?
My Dell Inspirion Windows 10 laptop has no network socket?
How to fix dell Inspiron 5040 laptop windows 7?
Dell latitude c400 intermitent lines on screen?