Because users depend on network resources to use critical applications such as e-mail, you must be able to diagnose common network problems quickly. Windows 7 can diagnose many common problems automatically and includes tools that you can use to test other conditions manually. This chapter teaches you how to configure network settings on computers running Windows 7 and how to troubleshoot problems when they arise.

Wireless networks are becoming increasingly common, and most mobile computers regularly connect to one or more wireless networks. Many traveling users connect to dozens of wireless networks—some at the office, some in their homes, and some at public wireless hotspots in coffee shops or airports.