We may have found other answers which could help you.
Click here for Help Appreciated Changehow to fix my g520 laptop?
audio device drivers for Dell Latitude E6400?
My laptop is showing it is not connected to the network, but it is?
dell inspiron 5040 plugged in not charging?
My Dell Inspirion Windows 10 laptop has no network socket?
Dell latitude c400 intermitent lines on screen?