Before you connect your modem, make sure that the ISP has programmed the modem with your account information. Sometimes, you may need to call the ISP after you plug the modem in at your home.

A DSL or dial-up modem connected to your multi-line phone system allows for fast and easy Internet access.

Similarly, your wireless router needs to be connected to a modem. The PC light will remain on and steady when this connection is established.

Windows comes pre-configured for Internet access via Ethernet. If your computer includes an Ethernet adapter as many do, connecting your computer to the Internet is as simple as connecting a cable.

CDMA phone (If you have a GSM phone, see GSM USB modem for OS X on the Mac. Windows users, first configure your phone as a modem, then use a separate dial-up ISP or paid GPRS connection.) ...

If your modem comes with a built-in wireless router, you won't need to connect a router to the modem. You can use the steps below to set up the wireless network in the same way.