While you wait for answers, we may have found some information which could help you.
Click here for Screen Black WorksDell latitude c400 intermitent lines on screen?
how to fix dell inspiron 1545 date and time?
how to repair my blank screen?
Right Click pad on my Lap top does not work, can this be fixed?
audio device drivers for Dell Latitude E6400?
My laptop is showing it is not connected to the network, but it is?