Cant conect to the internet with my belikin router

More information needed.
What is the model number of your router?
Who is your Internet service provider?
How many wired and wireless computers do you have?
Can you connect to the Internet through the modem?

Please give me some information about your problem.
I will suggest you a site which may help you install your router.

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Make sure that your computer is able to go online through the modem.
If your computer is not able to go online through the modem then you will need to call ISP first.
If your computer is able to go online through the modem
then you need to connect the computer to the router and the modem to the router.
open the set up page of the router and change the settings of the router according to the ISP.
Click Here for step by step by instructions

you will need to check the settings of the router. If you connect the computer directly to the modem, does it work ? If that works then your modem is working properly. Now connect the modem and the computer to the router. open the set up page of the router. Change the settings of the router manually according to the Internet service provider.
Once you have all the proper settings you will be able to go online using the router. Now change the wireless settings of the router. set up your wireless network. on your computer connect to the wireless network.

Click Here for step by step instructions

Router might not be set up with the modem. Your router broadcast wireless signal when it is powered on, so even if it is not connected to a modem(where you get your internet from)you will have a local connection. That's normal. You need to set up the router. Call linksys technical support, if they cannot help try http://technicalsupport.blog.friendster.com

I have a Mac Pro and a Belkin F5D 7230-4 Router. The Mac links to the WiFi but will not go on to the internet. The Router works fine with a wired PC and other wireless PCs. I have updated the Belkin with the latest Firmware but it does not help. I have tried powering down the Router and Modem

Gmac

Hi, have you got filters on all your phone lines, including  a sky box if using one?

By-pass the router and double check if the Internet connection through the modem is working.
If yes, reset and reconfigure the router.

I had a similar problem with a TP-Link wireless router. I unplugged the Ethernet cable from the router and plugged it back into the DSL modem and connected to the internet. Brought up a web browser and made sure I was on line. Then replugged the cable from modem to router and the to pc. Your computer will have pop-up messages that the connection has been unplugged then reconnected. I then was able to connect. Sometimes just unplugging things or rebooting will solve a lot of problems. Hopefully you can solve. Good Luck.

Hi wolf,

Did you plug the modem into the internet port? The modem give the router its internet, the router distributes the internet from there.

Here is the online documentation of the router if it helps any:
http://support.dell.com/support/edocs/network/R48972/en/index.htm