While you wait for answers, we may have found some information which could help you.
Click here for Key Dell Inspironaudio device drivers for Dell Latitude E6400?
how to fix dell inspiron 1545 date and time?
Dell latitude c400 intermitent lines on screen?
The Dell adapter can't be recognized?
How to fix dell Inspiron 5040 laptop windows 7?
My laptop is showing it is not connected to the network, but it is?