How to Setup Comcast

By Maya Austen

Before setting up a Comcast digital video recorder (DVR) box to your television or installing your Comcast high speed Internet hardware to your computer, ensure you have a working Comcast cable outlet from the wall. Once this is verified or the procedure is completed by the Comcast technician, set up the Comcast box and Internet hardware on your own if you'd like. Both processes are fairly simple to do and can be completed in a matter of minutes with little difficulty.

Things You'll Need

  • 2 to 3 75-ohm coaxial cable
  • RCA audio cables
  • S-Video cable or
  • Composite video cable
  • Cable modem
  • Ethernet cable
  • USB to Ethernet adapter (optional)
  • USB cable (optional)

Connect DVR to TV

Step 1

Connect the coaxial cable coming from the wall into the RF "In" port on the two-way splitter. Screw one end of an independent coaxial cable into one of the two-way splitter's RF "Out" ports. Screw the other end of the cable into the RF in port labeled "Cable In" on the back of the Comcast box.

Step 2

Use an S-video cable to connect the "S-Video Out" port on the back of the Comcast box to the "S-Video In" port on the TV set. If the TV set is not equipped with an "S-Video In" port, use a composite video cable, the yellow audio-visual (AV) cable to connect the yellow AV "Out" jack on the back of the Comcast box to the yellow AV "In" jack on the TV set.

Step 3

Plug one end of each of the RCA audio cords, the white and red AV cables, into the white and red AV "Out" jacks on the back of the Comcast box. Plug the other end of each cable into the white and red AV "In" jacks on the TV set.

Step 4

Connect the power cord to the power port on the back of the Comcast box. Plug the cord into a wall outlet

Step 5

Turn on the Comcast box and TV set. Switch the TV to channel three.

Step 6

Use the "Input" button on the TV remote to change its video input channel to coincide with the input port used to receive the Comcast TV signal.

High-Speed Internet Hardware Setup

Step 1

Hookup the RF port on the cable modem to the available RF "Out" port on the two-way splitter using a coaxial cable.

Step 2

Connect the Ethernet cable into the Ethernet port on the cable modem. Connect the other end of the cable to the computer's Ethernet port and then go to step four. If you don't have an Ethernet port on your computer, follow the directions in step three.

Step 3

Plug in the other end of the Ethernet cable to the Ethernet port on a USB to Ethernet adapter if your computer is not equipped with an Ethernet port, but is equipped with USB port. Use an USB cable to connect the USB port on the adapter to a USB port on the computer. Insert the CD that came with the adapter into the computer's CD ROM drive. The adapter's installation wizard should automatically launch. Follow the wizard's prompts to install the drivers needed for the adapter.

Step 4

Set the Comcast Internet CD into the computer's CD ROM drive. The installation wizard should automatically launch. Follow the wizard's prompts to install Comcast Internet software.

Tips & Warnings

  • If the TV set you're hooking up the Comcast box to is not equipped with AV "In" jacks, use a coaxial cable to connect the RF Out port on the back of the cable box to the TV's RF "In" port instead of performing steps two and three in the first section.