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I have problem connecting laptop to the net using a belkin wireless router. I was able to connect to the net, but suddenly after I used the laptop in my uni's wireless connection, i am now unable to connect.
The connection shows excellent connectivity though but says that system cannot acquire a new IP address. I have checked the SSID and its fine..
I can connect to all other unprotected networks in my area, but am not able to connect to my own net connection... I have tried unchecking the options in IE under LAN connections as well as shutting windows firewall off (using xp). Pls help..
 

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Usually Wi-Fi connection problems are the result of configuration errors, incompatible firmware, or interference with another router. It's easy to fix firmware issues-all you need to do is download the latest firmware for your wireless router manufacturer's web site. If you've installed the firmware update and still can't connect, your next step is to temporarily disable WEP or WPA. If you can connect to the router when security is disabled, check all your WEP settings. You need to use exactly the same key on your router and any machines that connect to it wirelessly. Also make sure the Authentication Type on each of the PCs matches the setting on the router. Troubleshooting interference issues is more complex. First, you should move your router off of the default channel. Most routers shipped today are set at channel 6 be default, and the sheer traffic can create a lot of interference. You should also uncheck the field that says, "Automatically connect to non-preferred networks"-there is no advantage to the feature and it can cause your computer to behave erratically if you're in the proximity of the other networks. If you're still having problems connecting, there may be a hardware problem on your laptop. Check Device Manager and make sure there isn't an exclamation point beside your Wi-Fi card. You should also try connection to another router that you know works properly. Finally, try connecting to your network using the same settings, but a different brand of Wi-Fi card.
If all else fails, contact your router manufacturer's tech support line. You may actually have a faulty router.
 
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