1.in ur router settings change the channel to 1 or 11. the default is 6(sometimes it will say default even though its actually on 6) phones are tuned into channel 6 and cause interference with other wireless devices.
2. make sure ur "Internet Protocol Version 4 (TCP/IPv4)" is set on automatic in your connection properties (change it later to match ur new router after u get connected)
3. make sure u know whether you have a dynamic connection(DSL or Cable), static(special sercvice with special modem) or others, and set it to the one that u have.
4. go to ur router and set factory defaults
5. reset your router by pressing the reset button in the back
6. unplug your modem(only power), then router(only power) wait 7 min or so then plug in your modem wait 2min(seriously wait 2 min) then plug in your router
7. reset network settings in windows
its most likely #1, and #2 if u configured those settings from a previous router. try all of them.
painguy1
Since you have DSL I assume you have to log on with a username and password in order to access the internet, is this correct? If so, you cant use dhcp, your going to need a static ip in order to use the router. Its been so long since I've had DSL things may have changed since then. Setting your internet protocol will work just for your modem, but once you hook up your router, it is assigning your ip address, not the modem. So, while you just have the modem hooked up and not the router, go into your command prompt and type in ipconfig/all. What your looking for here is your DNS servers, you should have 2 of them. Right them down. Now configure your ip address to a static connection. You can use any ip address, I suggest something like 192.168.0.100 since you have a dlink. Your default gateway will be 192.168.0.1 which is the same as your router ip address. Then put in your dns server addresses. After thats done you will need to go into your router and set it to static as well. I suggest keeping 192,168.0.1 as the router ip address. If you have any problems you may need to contact d-link or your internet provider and have them walk you through it. Dont let your dsl carrier tell you that since it works straight out the modem that they cant help because it BS. They have an obligation to assist customers. 
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