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#21
You should also make sure that 192.168.1.1 is actually the gateway for that router. It can be changed once in the settings. I would recommend doing a factory reset on the router before continuing as the friend could very well have had specific settings.
You can check to see what the gateway address is in your network settings.
Start-> Control Panel-> Network and Sharing Center-> Change Adapter Settings-> Right click on the Wireless adapter and select "Status"-> Click on Details... button-> IPv4 Default Gateway
That is the address you should be putting into your address bar.
There are some other things you need to ensure as well. For instance, you won't be able to just plug it in and go for the most part. You need to power cycle the devices.
Unplug the power to your modem, unplug the power to your router and turn off your computer.
Plug the power to the modem in and wait for it's initialization to complete (Generally a solid DSL light). Then plug the power to the router in, and give it a moment to initialize. Turn on the computer.
If you give us the model number of the router someone here can give you instructions on resetting to factory defaults so it's as if you just bought it. :)