While you wait for answers, we may have found some information which could help you.
Click here for Laptop Charge ChargerDell latitude c400 intermitent lines on screen?
dell inspiron 5040 plugged in not charging?
DELL won't turn on?
Right Click pad on my Lap top does not work, can this be fixed?
how to repair my blank screen?
How to fix dell Inspiron 5040 laptop windows 7?