While you wait for answers, we may have found some information which could help you.
Click here for Dell Pass Screendell inspiron 5040 plugged in not charging?
My Dell Inspirion Windows 10 laptop has no network socket?
how to repair my blank screen?
My laptop is showing it is not connected to the network, but it is?
Dell latitude c400 intermitent lines on screen?
device driver downloads for Dell Latitude E6400 PCI Port & PCI Controller?