A:AnswerIf it fits and not charging, then the charge port on your computer is either malfunctioning, loose or dead. Solution is to go to Best Buy or somewhere to open up your dell and put in a new charge port.
A:AnswerI had to take my ASUS laptop into the store to be sure this cord would fit, as my other ASUS laptop (TP500L) was different and took a different cord. I suggest you might do the same.
A:AnswerI know little about computers but I just brought my computer to the Best Buy nearby and the guy working there tried it on my computer so I was sure it worked.
Hope that helps you