Dta box xfinity

Balance the box and TV volume: Access the TV Adapter's or TV Box's main menu. Select Setup. Select Audio Setup. For the Set volume to optimal stereo option, select Yes to automatically adjust the volume to the optimal level for stereo output. Note: If you select No, your current volume settings will be retained.

If you have lost or damaged your Xfinity TV box, the cost to replace it depends on the type of TV box you have and if you choose to purchase the box or rent it. If you choose to purchase the box, the cost generally ranges from $59.99 to $179. 99. If you choose to rent the box, the cost is usually about $11.75 per month, plus applicable taxes ...Comcast New HDTV micro Pace DC60xu DTA (uDTA) unboxing and setup video. Comcast has added a new mini DTA's (Digital Transport Adapter) that can also push HD ... Help and support with your Xfinity Remote, select your remote control type and get the support you need to enjoy your Xfinity TV! Put the DTA in the other room with the dvr. If all the channels work there, it's a line issue. If they don't, it's a box issue. You should be able to get the channels you were getting with just tv hooked up. If the account is missing the "check" for the dta to have say above ch 20 or so, they you get a subscribe message.To connect your SD TV Adapter to your HDTV and continue receiving broadcast HD channels, you'll need a splitter, five coaxial cables, and an A/B switch (available for purchase at your local retailer). Note: If you have an HD TV Adapter (not available in all areas), you will not need an A/B switch. Connect one end of a coaxial cable to the cable ...What is a DTA box from Comcast? Digital Transport Adapter is the acronym for Digital Transport Adapter. They're also referred to as "digital adapters" by Comcast. It's a low-cost digital cable device that allows you to watch all limited Basic and Expanded Service channels (usually the first 99 channels) that were migrated from analog to ...

Box Stuck on 1 Channel. This has happened before and I do not remember how it was resolved. I am so frustrated as I have been on LONG TERM hold (an hour and more than once) waiting for Comcast to talk to me but they never picked up and I need to hang up. My TV is only getting one channel and it is the one channel I never watch!Buy UpBright 5V AC/DC Adapter Compatible with Comcast Xfinity DC50Xu DC60Xu DC50X Digital Transport TV Cable Box DTA Challenger EPS-1 PS-1.35-515C AcBel WA9008 WA8078 WA9003 3666546B technicolor DCI105COM: ... Bought several for the inevitable burn-out of Comcast's DTA power adapters they send with their boxes. Had to use two within a month of ...Older boxes did not use or support HDCP so there were no issues using a splitter. Maybe 4 to 8 years ago Comcast implemented boxes using HDCP version 1.4, so a splitter that supports HDCP 1.4 was required. I used a $12, HDCP 1.4 compliant splitter from Amazon for a while until the cable box failed and was replaced by Comcast in December 2020.4K UHD and 4K UHD/HDR content viewing requires an Xfinity X1 XG1v4 or Xi6 TV Box, or an XiOne streaming TV Box for Xfinity Flex. You can find the model number of your X1 TV Box by going to About in the X1 Settings menu. You can also check the sticker located on the bottom panel of the TV Box. XG1v4 model numbers are AX014ANM or AX014ANC.Hello @user_02cb6e, thank you for reaching out for help with your data plan.Aside from seeing your total monthly usage. with Xfinity xFi, you can set up user profiles and assign devices to specific users. If you follow this link: Managing Profiles with Xfinity xFi - Xfinity Support, you can see how to create, manage, and assign devices to …As Comcast has moved towards IP simulcasting of all channels, the requirement to have a traditional cable box "gateway" (XG1 or XG2 series) for the Xi5/Xi6 client boxes to use for live TV has changed.Note: If none of the device codes operate the TV, refer to the online Remote Code Lookup tool. Related Articles. Pair and program your Xfinity Voice Remote ...

X1 TV Box equipment types. If you have multiple Xfinity X1 TV Boxes in your home, you most likely have a DVR and one or more non-DVR TV Boxes. This article lists the different models of TV Boxes that you may have, including the XG1, XG2, XG1v3, XG1v4, RNG150N, and XiD. Notes:Solution: Make sure the remote control is aimed at the TV Adapter (or IR signal receiver) and TV and is not farther than 15-feet away. Note: If you have connected the IR signal …Ensure the TV Box video output is connected to a TV through an HDMI or component cable connection. Turn the TV power off. Turn the TV Box power off. Wait one second and then turn the power back on for both devices. If you are still experiencing problems, please contact us. Learn how to troubleshoot a non-X1 TV Box.Sep 3, 2020 ... Why do I get charged the same amount every month for a TV Adapter that just gets the regular TV channels (Adapter) when for the same amount ...Ensure the TV Box video output is connected to a TV through an HDMI or component cable connection. Turn the TV power off. Turn the TV Box power off. Wait one second and then turn the power back on for both devices. If you are still experiencing problems, please contact us. Learn how to troubleshoot a non-X1 TV Box.

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If you have lost or damaged your Xfinity TV box, the cost to replace it depends on the type of TV box you have and if you choose to purchase the box or rent it. If you choose to purchase the box, the cost generally ranges from $59.99 to $179. 99. If you choose to rent the box, the cost is usually about $11.75 per month, plus applicable taxes ...24.6K Messages. 4 years ago. @joerf3 wrote: Hello, I've been having a sporadic problem for the last several months with my Xfinity TV service and my Vizio TV - Model # E55-D0. About every 7 - 14 days., when I turn on my Xfinity box and TV, I'll get a black screen with a "No Signal" message (all other times, the TV works fine).A digital converter (sometimes known as a digital set-top box or digital receiver) processes digital-quality signals and offers access to On Demand programming, Pay-Per-View content, the on-screen channel guide, and over 50 commercial-free music channels as well as all channel tiers, including premium channels such as HBO/Cinemax, Showtime and Starz/Encore.But I don't think I need an additional X1 Box. Thank you. the DTA (HD or SD) is now more than the x1 companion set top boxes (most plans/markets $5/month). you can also use a modern Roku device via your own wireless Xfinity service at no monthly charge at all. 0. 0.Step 2: Submit your application online. Signing up is easy and fast from your mobile device. Go to internetessentials.com or es.internetessentials.com, or call 1-855-8-INTERNET (1-855-846-8376). Complete the application online. Available in seven languages: English, Spanish, Arabic, Cantonese, Mandarin, Russian, and Somali.View channel information. To access the guide grid, press the Guide button on the remote control. Navigate to the desired channel within the guide. Use the left arrow to highlight the channel name, number, logo and press the OK button on the remote. Choose Watch to watch the channel. Choose Record to set up a manual recording.

Mar 27, 2020 · I am on the waiting list for comcast to call me back. ... 0. 0 Great deals on Comcast Digital Adapter. It's a great time to upgrade your home theater system with the largest selection at eBay.com. Fast & Free shipping on many items! ... COMCAST DC50X RECEIVER TV CABLE BOX DIGITAL TRANSPORT ADAPTER DTA TELEVISION G22. $12.00. $6.65 shipping. or Best Offer. Comcast DC50X Xfinity Cable Digital Transport ...In this video I show you how to change the menu language and voice control button language on the Xfinity Flex TV Box. I show you how to do this step by step...In the older models with NTSC tuner, you can use channel 3 to tune in. Comcast DTA and Maganavox 515 are connected using a 75 ohm coaxial cable. Now for the newer model like Magnavox 865/867, you need to use a HDMI cable connected from Comcast DTA HDMI output to HDMI input of the above converter. Then you need the yellow/red/white composite RCA ...I have a new LG OLED with Magic Remote. I would like to use the Magic remote to control my X1 box.Xfinity Voice Remote. You can control almost all aspects of your TV with the Xfinity Voice Remote. For a quick list of phrases you can use with your remote, see our voice command tips. X1 apps on your TV. Open Netflix, Amazon Prime Video, Hulu, NBC Universal's video service, Peacock, and much more — all through your TV using X1 apps ...Will my store-bought DTA box do the same thing as a Comcast DTA box? By locust78 in forum DVB / IPTV Replies: 7 Last Post: 25th Feb 2013, 18:26. CATV to S-Video? By MrLoyyy in forum DVB / IPTV Replies: 2 Last Post: 28th Dec 2011, 19:43. Is there a timed channel changer for the comcast dta boxes? ...Need help installing your new TV Adapter? Check out this informational video to learn what's included in your Getting Started kit, how to activate service, how to program your remote and more.TV box has NO POWER..I have tried everything and no light comes on...I have two tv boxes in my home and the other one is fine. ... I was sent a new DTA box and everything is working fine. Thanks for your help. 0. 0. U. ... I am an Official Xfinity Employee. Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.Picture doesn’t fill screen. Hi there. I have an issue where many of the channels on Xfinity Stream Beta App (on Samsung TV) don’t fill the screen. Most of them seem to be movie channels. I cannot adjust 4:3/16:9/Fit to Screen settings as the Xfinity App locks this and the option is therefore ghosted in my Picture menu.If you have lost or damaged your Xfinity TV box, the cost to replace it depends on the type of TV box you have and if you choose to purchase the box or rent it. If you choose to purchase the box, the cost generally ranges from $59.99 to $179. 99. If you choose to rent the box, the cost is usually about $11.75 per month, plus applicable taxes ...Be sure to get a receipt that lists the serial numbers of the equipment you are returning, which, as you said, is how Comcast knows who the equipment came from. They would want you to return cable boxes and modem/router devices and their power cords. You don't need to return Ethernet or coax cables, or remote controls, or amplifiers.

Official Solution. CCJessie1. +52 more. Retired Employee. •. 5.9K Messages. 2 months ago. @user_549gcn Welcome to the Xfinity Forum. For Comcast Business accounts, we ask that you please post your question on our Comcast Business Forum so the right team can assist.

Comcast box dc50xu audio direction. I didn`t set a password for my hipstreet flare but it asks for one. how do i reset it; the power and volume button pressed together doesn`t work? Factory reset option not found after presing volume up, home and power button? Comcast dta dc50xu green light blinking twiceA DTA is the simplest cable box they offer. No on demand, no apps, just a basic lineup of channels, and I don't believe it's addressable to authorize pay channels like HBO, showing, etc. I think they're the same price as an X1 secondary box (xid) so if you've got an X1 box, like the other post said, return it for an xid. You used to be able to ...Xfinity Community Forum. TV. Non-X1 Service. DTA box not working. cdtatro. Regular Visitor • 2 Messages. Thursday, April 9th, 2020 5:00 AM. Closed. DTA box not working ...Turn on your TV. Press and hold the SETUP button for five seconds. The LED indicator will turn from red to green. Press the CH button repeatedly to search through the manufacturer codes until the TV turns off. Once the TV turns off, press the SETUP button. The status LED light on the remote should flash green twice.I have a new LG OLED with Magic Remote. I would like to use the Magic remote to control my X1 box.Video Display. To access Device Settings: Press the xfinity button on your remote. Use the left arrow or right arrow button to highlight Settings (the gear icon). Press OK. Note: If your remote doesn't have an OK button, press the raised button in the center of the directional pad. Use the down arrow button to highlight Device Settings. Press OK.The Wireless TV Box can be placed anywhere it can maintain a wireless connection to your wireless gateway or WiFi Boost Pods. When activating the X1 Wireless TV Box for the first time, make sure you're pointing the Xfinity Voice Remote at the front of the X1 Wireless TV Box and are less than ten feet away from it during the activation set up ...Jun 13, 2023 · 79 Messages. There IS NO CLOCK on the DTA box. This IS NOT the set top box and the Set Top Box that was installed a couple of years ago by the Comcast technician who responded to another DTA that would not display any picture, the technician replaced the one that was not working with one that has both coax and HDMI output. The DTA I am having ...

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1-16 of 24 results for "comcast dta box" Results. Check each product page for other buying options. Overall Pick. ... DIGITAL TRANSPORTER ADAPTER DTA REMOTE COMCAST XFINITY RECEIVER DC50X by Comcast Xfinity. Radio Frequency. 4.1 out of 5 stars. 97. $12.67 $ 12. 67. FREE delivery Thu, Mar 28 .Standard Xfinity set-top box: $8.50/mo. If you go for Xfinity’s most basic TV plan (with 10+ channels), Xfinity passes you over for the X1 treatment and offers only a high-definition cable TV box. The TV box costs $7.50 to $8.50 per month (depending on where you live), and you can add 150 hours of cloud storage for $10.00 per month.Also, make sure your set-top box or DTA is powered on and in plain sight. TV Power: Turns your TV on/off. All Power: One button to turn the TV, AVR and DTA or set-top box on/off. Vol +/–: Controls the volume on the DTA or set-top box. After your remote is programmed, these keys control the TV or AVR’s volume. CH ^/v: Selects the next higher ...Web xfinity hd dta guide. I am being charged $5.99 per month for each dta. Web Xfinity Hd Dta Guide. Just got the new dta boxes but no guide =( any update or eta for the. Check out this informational video to learn what's included in your. Web view and download comcast dta user manual online. Live Xfinity Tv App Apple Guide Stream Devices Tap ...Do you know any way to actually speak to a person or any other method to activate? @CCAndrew answered you already. I received in the mail a new X1 box and when I went to use it I got a message saying "the video signal has been interrupted" status code 222Does the box need to be activated?Make sure the 5ghz and 2.4 ghz bands are named differently. Some devices will have issues connecting to the wifi if the bands are not separated. All new comcast modems comes with the bands combined into 1 SSID. 0. 2.TV on or off (it will not turn off your DTA, which is always on). INFO: Displays the current channel number and station call letters. SET: Programa tu control remoto para controlar tu televisor. Luz indicadora: Luz roja que parpadea durante las secuencias de programación y al oprimir cualquier tecla.This video will show you how to set up a new Xfinity-Comcast X1 (XiD-P) Cable Box.OEM Xfinity/Comcast DTA Box Remote Control - Digital Transport Adapter - RC2392101/03B RC2392101/01B . Visit the Anderic Store. 4.2 out of 5 stars 64 | Search this page . $12.95 $ 12. 95. Get Fast, Free Shipping with Amazon Prime. FREE Returns . Return this item for free.control your digital set-top box or DTA (Digital Transport Adapter). To control your TV functions (Power, VOL+, VOL - and Mute), follow the steps below: HERE'S HOW: 1. Install the batteries. 2. Find the manufacturer's code for your TV (see other side). 3. Turn on your TV and digital set-top box or DTA (Digital Transport Adapter). 4. ….

5V AC/DC Adapter Compatible with Comcast Xfinity DC50Xu DC60Xu DC50X Digital Transport TV Cable Box DTA Challenger EPS-1 PS-1.35-515C AcBel WA9008 WA8078 WA9003 3666546B technicolor DCI105COM 4.5 out of 5 starsHD DVR Service: If your Off-Market TV Box is DVR-capable and you'd like DVR service, and your Xfinity TV subscription doesn't include DVR service, charges for DVR Service* and HD Technology* will apply. Note: Comcast DVR service is only available to HD customers. Service to Additional TVs: To the extent that you use your Off-Market TV Box …I am an Official Xfinity Employee. Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership. We ask that you post publicly so people with similar questions may benefit from the conversation. Was your question answered? Please, mark a reply as the Accepted Answer.Cartagena (Spanish pronunciation: [kaɾtaˈxena]) is a Spanish city and a major naval station on the Mediterranean coast, south-eastern Iberia.As of January 2018, it has a population of 218,943 inhabitants. This makes Cartagena Murcia's second-largest municipality and Spain's sixth-largest city that is not a provincial-capital. The wider urban or metropolitan area of Cartagena, known as Campo ...Each Xfinity X1 TV Box has visible, forward-facing lights that behave differently depending on the status of the device. Learn what these lights mean on various X1 TV Box models. Note: Only RNG150 and XG1 TV Boxes have LED displays. Other X1 TV Box models (Xi3, Xi4, XiD, and XG2) only have one power light.This item: AC Power Supply for Comcast Xfinity DCI105COM1 Digital Adapter Cable TV Box DTA . $7.99 $ 7. 99. Get it Nov 8 - 13. In Stock. Ships from and sold by GreatComputerParts. + XFinity Comcast XR15 Voice Control Remote for X1 Xi6 Xi5 XG2 (Backlight) $8.78 $ 8. 78. Get it as soon as Friday, Nov 10. TV Adapter enhancement FAQs. Comcast is enhancing our TV Adapter service so you can view most of the channels in your current Xfinity TV package up to and including the Digital Starter * or Xfinity TV Extra tier of service (excluding premium channels and Xfinity On Demand). This enhancement will be available at no additional monthly charge. With TV turned on: 1. press A+D (until Red led turns Green) 2. enter 991 (led flashes Green) 3. press & release "Channel Up" until TV turns off. (this took me many presses) 4. press the Center (OK) button to lock-in the code (This step was missing from a lot of posts!) 5.Updates for Xfinity cable boxes are usually automatic. Expect to receive one periodically. For Xfinity X1 TV Boxes, they happen on a daily basis at a set hour. These updates help ensure that your cable box performs at the most optimal level. So if this is the light pattern you’re seeing, it’s best to wait it out. Dta box xfinity, In the older models with NTSC tuner, you can use channel 3 to tune in. Comcast DTA and Maganavox 515 are connected using a 75 ohm coaxial cable. Now for the newer model like Magnavox 865/867, you need to use a HDMI cable connected from Comcast DTA HDMI output to HDMI input of the above converter. Then you need the yellow/red/white composite RCA ..., I reset the box daily, but the problem returns, normally within 24 hours. I've found that putting the box to sleep through the settings menu has the same affect. I've yet to find a way to make the solution permanent. I just switched to Comcast and love the service in general but this daily reset is going to shorten our relationship., Are you looking for an Xfinity store near you? Xfinity is a leading provider of internet, television, and phone services. With over 1,000 stores across the United States, finding a..., Remote Help. Press the INFO button. Select Remote Help and press 5 or ENTER. This shows you how to use your remote to move around the On-Screen Guide. Use the 2 button to move up, the 6 button to move right, the 8 button to move down, the 4 button to move left and 5 or ENTER to select. Pressing LAST goes back to the earlier menu., What exactly is a Comcast DTA box? Cable companies that are switching to all-digital cable systems use a digital transport/terminal adapter (or DTA). They usually have an RF input for receiving service and a modulated output on Channel 3 or 4, which allows the tuner to change channels by setting a TV to channel 3 or 4. What exactly is a DTA ..., Xfinity Instant TV is a cable TV streaming service that lets you watch live TV from broadcast and popular cable networks on your compatible smart TV, computer, tablet, smartphone or Roku Streaming Player. Enjoy local and national live sports, news and the most popular shows as they air. Add premium channels and channel packs to make sure …, To use it, connect the IR extender to the IR In input on the back of the TV Box or TV Adapter. Put the other end of the IR extender somewhere that allows a direct line of sight between it and the remote. If you have an Xfinity X1 main TV Box or Player, you can use the XR2/XR5 remote control with Aim Anywhere control (RF capability) even if they ..., The DTA executes not offer any advanced features such as OnDemand or Pay-per-view. Standard DTAs are intended for legacy counterpart TV sets, than such they only character an RF coaxial output that forwards a view signal on channel 3 or 4 (switchable), in this regard it is like a VCR button the old analog cable boxes used in the '80s and '90s., Please note that the location of the options within the menus varies by TV Box. Using your Xfinity remote, press the Xfinity or Menu button twice to access the Main Menu. If needed, you can also press the Xfinity or Menu button once to access the Quick Menu, then use the left and right arrows to select the Main Menu tile., 4 years ago. @TS101815 wrote: I have. I have also tried attaching the coax and HDMI as I had to prior television and it doesn't seem to be making any difference. It is clearly making a connection because using the tv remote I can turn the cable box on and off. It is just not connecting to the programming at all., Picture doesn't fill screen. Hi there. I have an issue where many of the channels on Xfinity Stream Beta App (on Samsung TV) don't fill the screen. Most of them seem to be movie channels. I cannot adjust 4:3/16:9/Fit to Screen settings as the Xfinity App locks this and the option is therefore ghosted in my Picture menu., Digital Starter customers will need a TV Box or compatible digital device to receive all available features. ... DTA for 1 year. Limited Basic customers that ..., Nov 21, 2020 ... The xfinity chat was infuriating. My cable box won't turn on. I tried troubleshooting but it says a signal can not be reached., Comcast Corp (NASDAQ:CMCSA) CEO Brian Roberts is known for lining up a huge deal every five years.  The company's last si... Indices Commodities Currencies ..., Just the cable card technology alone in the HD stb cost comcast more than the entire HD DTA. · actions · 2015-Aug-14 11:40 pm · Forums → US ISPs cable → Comcast XFINITY TV, Official Solution. CCJessie1. +52 more. Retired Employee. •. 5.9K Messages. 2 months ago. @user_549gcn Welcome to the Xfinity Forum. For Comcast Business accounts, we ask that you please post your question on our Comcast Business Forum so the right team can assist., Xfinity comcast dta hd receiver power adapter cysd15-050150 5v 1.5 aThe best 12 xfinity cable box hdmi input Xfinity original dta digital tv tuner converter box remote control lotComcast x1 xfinity cable dvr guide tv menu back geekwire user cloud better looks roped some., Also read the operating instructions that are supplied with your remote control. PXD10ANI USER GUIDE. 11. fTERMS AND CONDITIONS FOR USE OF SOFTWARE (“TERMS”) THE PRODUCT TO WHICH THESE TERMS RELATE (THE “PRODUCT”) INCORPORATES SOFTWARE WHICH IS OWNED BY PACE. plc (“PACE”) OR ITS THIRD PARTY LICENSORS (THE “SOFTWARE”)., Auto-Tuning Channels. To access Preferences: Using the remote press the xfinity button. Highlight Settings (the gear icon) and press OK. Highlight Preferences and press OK. Highlight General and press OK. Press the down arrow on the remote and highlight Prefer Best Available Resolution. Then press OK to toggle the feature on or off., Forum discussion: I have a question about usage of the Comcast DTA. Comcast has been going all digital in this area. I have only 1 TV (with a DVR) and, therefore no use for either of the 2 DTAs I ..., Hopefully someone can help me understand an issue on my account. When going over my account this weekend, I noticed on my equipment page I was being…, Buy Pace DC50Xu Digital Transport Adapter DTA Cable Box Complete Kit (Mini Receiver, Remote Control, Power Adapter, IR Emitter, 3 FT Coaxial Cable): ... UpBright 5V AC/DC Adapter Compatible with Comcast Xfinity DC50Xu DC60Xu DC50X Digital Transport TV Cable Box DTA Challenger EPS-1 PS-1.35-515C AcBel WA9008 …, Xfinity Community Forum. TV. Non-X1 Service. Status Code 340. clsn91. New Poster • 1 Message. Thursday, March 26th, 2020 5:00 PM. Closed. Status Code 340. Trying to set up a TV Box that we havent used since we got the service, and we are getting that error, system and device refresh no avail., The Comcast Digital Adapter remote control is pre-programmed at the fac-tory to operate the Digital Adapter. The Comcast Digital Adapter remote also contains a universal TV library to allow you to control the Power and Volume of your TV. 1. Turn on the TV NOTE: Please read steps 2 to 4 com-pletely before proceeding. Highlight or, This remote control is designed to operate the XFINITY DTA Digital TV Converter Box and is compatible with select models. It has a wireless range of 5-10 meters and features wireless connectivity. The remote is black/gray in color and has a length of 5 inches, width of 2 inches, and a height of 1 inch. The Xfinity 3067ABC2-R remote control is a unit made in China and is sold as a single unit., Use the navigation arrows on the remote to select Setup. Press the OK button on your remote to open the Setup menu. In the Setup menu, locate the option for Closed Captioning Setup. On some TV Boxes, this is labeled Subtitle Setup and may be on the second page of the Setup menu. Press the down arrow until the second menu screen appears., It starts recording from the moment you hit record. Awful. Why take away ANY features from legacy. Also, in guide, with legacy you could enter another channel while in guide and it would go to that channel in guide. NOT IN X1. Comcast needs to find some people with common sense and maintain the best features and then add some new ones., When you "pair" to make rf work, ir is still usable. I have confirmed this by using my universal remote to control it with ir after pairing. So, Rf with the xfinity remote works, and ir from my universal remote both work, the end. The challenge is finding the place for your ir bug to go and adjusting the intensity., Here are some things you can check. Verify that the S/PDIF cable (coaxial or optical) is firmly connected to the TV Box and the home theater receiver. Verify that the home theater receiver is set to a surround sound audio mode (Dolby Digital, Dolby Pro Logic II®, Dolby Pro Logic®). Verify that the receiver is properly configured to work with ..., TV Adapter self installation overview video. Need help installing your new TV Adapter? Check out this informational video to learn what's included in your Getting Started kit, how to activate service, how to program your remote and more. Additional resources. For additional information on TV Adapters, you can visit: TV Boxes and TV Adapters., A lot of the time, activation of cable boxes is "plug and play" where once you connect it and follow the on-screen prompts, it should self-activate. The Xfinity app is a great tool that can be used to self-activate your equipment as well, but we understand if it's not a preferable option for you., I am on the waiting list for comcast to call me back. ... 0. 0, If there is no picture or no sound on HD channels. Verify that you subscribe to the channel you're trying to watch. Check that the TV Box is on. Confirm you're tuned to an HD channel. Double-check all connections and make sure you're using HDMI or component cables. See if you're able to view other HD channels. If none of these suggestions help ...