help! network cable not connected

network cable and wireless is 2 different connections. if your getting network cable not connected then check your ethernet wire. should be connected to your wireless router.

what type of compter do you have because other dell laptops internal wireless card can be found at the bottom of the computer and can be easily access, you might see a small cover with a screw labeled "C" for cards then they're two cables that is connected to the wireless card, a black one that goes to the aux connector and a whiTE one that goes to main connector, try reseating the cables