7.3. Using the Network and Sharing Center
A user may not be able to access the Internet with Internet Explorer and may complain that "the Internet is down," but as a technician you know there are lots of pieces between the user's system and the Internet. One of those pieces is much more likely to be the problem rather than the entire Internet.
If a system is not communicating with other hosts, it's important to check the TCP/IP connectivity and configuration information. A primary tool you can use to start checking TCP/IP is the Network and Sharing Center, shown in Figure 7.10.
Figure 7.10. Network and Sharing Center
You can access the Network ...