Troubleshooting connection problems can be a test because there are so numerous possible causes. First, try these steps:


Open Network Diagnostics by right-clicking the network symbol in the notice area, as well as after that clicking Diagnose and repair.


Make certain that all wires are attached (such as, make certain your modem is attached to a functioning phone jack or cable connection, whichever openly or throughout a router).


If you're demanding to attach to another PC, make certain that PC is on also that you have enabled file with printer sharing on your network. For more information, see Networking home computers operation different versions of Windows.


If your PC has a wireless network adapter, Windows will automatically identify wireless networks that are close by. To see a list of wireless networks that Windows has detected, click the Start key, and after that click Connect to. If Windows does not identify a network that you believe is in range of your PC, open Help and Support and search for "Troubleshoot problems finding wireless networks."


If the trouble began after you set up new software, check your connection settings to perceive if they have been altered.

1.
Open Network Connections by clicking the Start key, clicking Control Panel, clicking Network and Internet, clicking Network and Sharing Center, and after those clicking Manage network connections.

2.
And Right-click on the connection and after that clicks Properties. If you are provoked for an administrator password or verification, type the code word or offer verification.

Make sure your router. Because of the new-fangled networking features in Windows Vista, some older network routers are not completely well-matched with Windows Vista and can cause troubles. You can check your router to observe whether it is fully well-matched with Windows Vista by running the Internet Connectivity assessment Tool. Or, for a list of routers that are well-matched with Windows Vista, go to the Windows Logo'd Products List website.