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Connect the cable wall outlet to the Cable In/RF In connection with a coax cable.

Use the proper connection based on your TV. If you have an HDTV, connect one end of the HDMI cable to your HDTV and the other end to the HD to TV connection.

Take note which HDMI port you’re using, as you will reference it later.

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If you do not have an HDTV, connect the coax cable to your TV and the To TV/RF Out connection on the cable box.

Turn the TV on, tune to channel 3 and set the switch on the cable box to channel 3. If your screen remains black or is searching for a signal, tune the TV and cable box to channel 4.

Connect the power cord from your cable box to an electrical outlet.

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If you purchased your Prepaid Starter Kit in a retail store, please wait 48 hours after purchasing before attempting to activate your service at xfinityprepaid.net.

If you purchased your Prepaid Starter Kit online or by phone, when it arrives, please visit xfinityprepaid.net to activate.

Note: The service included with your Starter Kit expires 30 days from the time it is activated.

IMPORTANT: Upon connecting the digital adapter to your TV and the cable wall outlet, an on-screen message may appear directing you to contact Comcast at a toll free number. Please ignore this message and continue to follow the instructions in your Starter Kit to activate your service.

The Starter Kit includes the cable box, remote control, all necessary cables and 30 days of Xfinity Prepaid TV service. Additional service refills cost $30 for 7 days or $90 for 30 days for TV 450; $15 for 7 days or $45 for 30 days for TV 200. Be sure to check which plans are available in your neighborhood, as they vary based on location.

Yes. You own the Wireless Gateway, cords and cables when you purchase the Starter Kit.

There are a few easy ways you can refill your service:

• Credit, debit, or prepaid card online at xfinityprepaid.net
• On the mobile app
• Buy a refill with cash at a local retailer.

For your privacy, our Customer Care representatives can no longer accept refill payments over the phone.

To keep your service active without refilling manually, you can use a credit, debit or prepaid card to set up AutoRefill online at xfinityprepaid.net.

There are no long-term contracts with Xfinity Prepaid Service. And we don't require a credit check or ask for a Social Security number. Xfinity Prepaid Service is subject to the Terms and Conditions included in your Starter Kit and available on this website.

You can purchase your Xfinity Prepaid Internet Starter Kit online using credit, debit and prepaid cards. You can also purchase a Starter Kit and refills at a local retail location using cash.

Xfinity Prepaid Service can only be accessed through the cable box included in the Starter Kit.

Here are some quick things you can try to restore your connection:

Check Your Power and Connections
If your equipment or the cable box is plugged into power strips, make sure the power strips are on and that you have electricity to your equipment. Check your coax cable connections to ensure they are securely fastened to your cable wall outlet and the cable box.

Confirm Channel Is Set Correctly
Make sure that both the TV and the cable box are set to the same channel (both 3, or both 4). Try switching between 3 and 4 if TV remains black or is searching for signal.

Reset Your Cable Box
Unplug the power cord from your cable box or from the electrical outlet. After two minutes, plug the power cord back in. Wait for the cable box to regain connection (this may take up to five minutes). You will see the lights on your cable box come back on during this process. Wait until the online light is solid for longer than 30 seconds on the cable box.