XP DHCP Bug Fix & Tweak
Home wireless networking has gotten more user-friendly over the years. New computers paired with new modems and routers do virtually all the setup work for you, but you'll still encounter the occasional snag. One such frustration is the dreaded "Connected but with Limited Connectivity" error confronting Windows XP users.
IP Addresses
Most Internet service providers use dynamic IP addresses, meaning your connection's virtual location can change from moment to moment. To accommodate the switches, you must enable the dynamic host controller protocol, or DCHP, on both the computer and the router.
Update Windows XP
In Windows XP, DHCP is set to "enable" by default. Releases of the operating system prior to Service Pack 2, or SP2, had a bug that prevented the computer's DHCP from communicating with the router. Updating XP to SP2 generally solves the problem.
Troubleshooting
If you're still having issues after loading SP2, go to "Start," then "Control Panel." Choose "Network Connections," then right-click on the network adapter and select "Repair." If XP's built-in repair module fails, open your router's setup page and double-check that DHCP is enabled. Disconnect and reconnect all the network cables, restart both the computer and router, and you should be surfing in no time.
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