Problems getting on Internet with Dell e5500 laptop?

Some students have had an issue with connecting to a wireless connection with the Dell Latitude e5500 laptop. One of the issues might be that you accidentally shut off the wireless on the laptop by switching the wireless switch to off. Here is the error you would probably be getting if the button was turned off:

The switch is located on the front of the laptop:

In the picture the wireless connection is turned on, but if it was switched off you would see Red. Make sure the switch is pushed all the way to the right so no Red is showing, like the picture above.