#1: Flush the DNS Cache if Having Problems Accessing a Site
How to flush the DNS Resolver Cache if temporary problems are preventing accessing a particular website.

#2: Solve Wireless Networking Problems by Obtaining the DNS and IP Addresses
Trouble connecting to the Internet at different locations? Your computer may be configured with a static IP address.

#3: Change the Order of Preferred Networks
Change the order in which Windows XP will attempt to automatically connect to preferred wireless networks.

#4: Prevent Automatically Connecting to a Wireless Network
Prevent Windows XP from automatically connecting to a particular wireless network when it senses it is in range.

#5: Disable NetBIOS over TCP/IP
Close down ports in Windows XP you may not need open if NetBIOS is not required for your network.

#6: Show Taskbar Icon When Connected to a Network
If Windows XP does not show an icon in the Taskbar when you are connected to a network, this tweak should solve the problem.

<- Go back to Windows XP