Connect with us


6 Common Comcast Xfinity Problems & Fixes



Don’t let frustrating Comcast Xfinity problems keep you from watching your favorite shows or streaming music. Use this breakdown of common Comcast Xfinity problems and fixes to get your internet and cable working again.

Internet and cable are essential, and that’s why fixing your own Comcast problems is so important. Comcast only has so many field agents working at a time. It could take days for them to send someone out to fix your issue. If you fix your problem, there’s no wait time.

The fastest Comcast Internet plan is not cheap. ljh images /

Here’s how to fix common Comcast Xfinity problems. ljh images /

And, when Comcast problems occur, you want them fixed immediately. Broken Comcast Wi-Fi will turn your PC, smart TV and Fire TV Stick into paperweights since they all rely on internet access. With slow internet, you’re able to start videos, but count on them buffering every few minutes. Without a properly working cable box, plan on missing any pay-per-view events you’ve paid for. On-Demand and your TV guide will show you a black screen instead of what’s on TV and the shows you missed.

Address your Comcast Xfinity problems with these 6 fixes. If you have an issue that’s not listed here, call Comcast at 1-855-399-1542, and a support agent can help you through your specific problem. You can also open a chat with a support agent at if that’s more convenient for you.

Comcast Xfinity Internet Problems

Use these tips and tricks to fix Comcast internet problems that cause your web browser to display a No Internet Connection error message.

How to Fix Slow Comcast Xfinity Internet

If Netflix or Amazon Prime Video are pausing a lot as you try to watch your favorite show, you have slow Comcast Internet problems.

Start by getting an idea of just how slow your internet speeds are. Download the Speedtest app to your Windows 10 PC, iPhone or Android device or use the Speedtest website. Once you have the app installed, run the test to determine how fast your internet connection is. Video services need 3 Mbps or more to run smoothly.

Read: 14 Common Netflix Problems & Fixes

Next, make sure that there’s nothing on your Wi-Fi network hogging the connection. Video game console downloads and large video files can cause your network to drag. Stop any downloads on your PC or video game console.

Unplug your Comcast gateway from your power outlet. Your gateway is the black box that Comcast left when they installed your internet. Wait 5 minutes, then connect the gateway back to power. Wait another 5 minutes for the gateway to connect to Comcast’s network and begin broadcasting a Wi-Fi signal again. Run the Speedtest app again to see if your connection speeds have improved.

If your speeds haven’t improved yet, reset your Comcast Gateway. Stick a safety-pin in the Reset button on the back of the device. Wait another 5 minutes for the reset to finish and run the Speedtest app on your device again.

Read: 8 Xbox Live Problems & Fixes

If your speeds are the same after the reset, it’s time to contact Comcast. At 1-855-399-1542 or Tell them you have slow internet and ask them what speeds you are paying for. Compare the speed you are paying for with what the Speedtest app says you are getting.

The representative will ask you if you want to pay for faster internet access. Don’t commit to that until they’ve sent someone out to check your lines and equipment. If the issue started suddenly, you don’t need to pay them more money.

How to Fix Comcast Xfinity Modem Problems

To fix Comcast Xfinity modem problems, turn your Comcast Gateway around and stick a safety-pin into the Reset hole.

Wait for the Comcast Gateway to reset. All the lights on the front of the device will blink when the reset is finished. Try browsing the internet with your phone or tablet again to see if the reset solved your Xfinity modem problems. If they aren’t fixed, call 1-855-399-1542 or your local Comcast office. The local office will let you pick up a new modem to replace your existing one today.

Read: How to Make Your Internet Faster: Speed Up Your Wi-Fi

How to Fix Comcast Xfinity Wi-Fi Problems

Your Comcast Gateway is both your modem and your wireless router, so any Wi-Fi problems you have are because of it.

First, make sure the gateway is broadcasting a Wi-Fi signal. The two Wireless LAN lights on the front of the router glow if it is.

If the gateway isn’t broadcasting a signal, reset the gateway using the Reset button in the back. Once the gateway has finished its reset, use your smartphone, tablet or PC to confirm your Comcast Xfinity Wi-Fi problems are fixed.

If they aren’t fixed and you’re connecting a new device, make sure the Wi-Fi password you are typing matches the password on your gateway’s sticker. Every letter or number needs to match. Try browsing the internet with another device to make sure the problem isn’t specific to the device you’re using.

Read: How to Find Your Wi-Fi Password

Call 1-855-399-1542 or your local Comcast office for a replacement. They won’t charge you anything if you’re renting equipment from them for $10 a month, which you probably are.

How to Fix Comcast Xfinity Cable Problems

Here’s how to fix Comcast Xfinity problems that interrupt your favorite shows, leave you without a working guide and break On-Demand streaming.

Read: 8 Best Live TV Apps: No Cable, No Problem

How to Fix Comcast Xfinity Cable Box Problems

Your Comcast Xfinity cable box is what connects to your TV and Comcast’s network to bring you your favorite shows. If it’s not working well, you can’t watch TV.

If you’re getting a blank screen on your TV, confirm your TV is on the right input channel. Look for that input number above the HDMI port your cable box is using. So, if the label says HDMI 1, turn your television to HDMI 1.

Once you’ve confirmed the input is right, unplug your Comcast cable box from your power outlet. Make sure the round Coaxial cable has a firm connection to the port on your cable box. After 5 minutes, connect the cable box back to power.

Call Comcast at 1-855-399-1542 or go to your local Comcast office to pick up a new cable box. Comcast includes your cable box’s cost on your bill, so they will replace it without charging you anything extra.

How to Fix Comcast Xfinity Cable Remote Problems

If you’re having Comcast cable remote problems, don’t worry. First, make sure you’re pointing the remote directly at your cable box. Objects can block the signal your remote sends. Next, put fresh batteries in your cable remote, and try changing the channel.

Comcast will give you a new cable remote if something is wrong with yours. Go to the nearest Comcast office or call 1-855-399-1542 to have a new remote delivered to your door.

How to Fix Comcast Xfinity On-Demand Problems

Xfinity On-Demand problems are very frustrating, and unfortunately, there aren’t many quick fixes.

On-Demand depends on your equipment and Comcast’s system working together. If Comcast’s system is having issues, your On-Demand streams don’t work. Call the company at 1-855-399-1542 or talk to a chat agent at to confirm there’s an outage in your area.

If there’s no outage in your area, check all your cables. Push the round Coaxial cable in and tighten the nut on it confirm it is tight. Next, check to see if your internet is also not working.

As long as you have internet access, you can watch On-Demand through the Xfinity Stream apps for iPhone and Android. Use these apps to workaround the On-Demand issues on your cable box.

Read: How to Cut the Cord and Ditch Cable in 2018

How to Get Faster Comcast Xfinity Support

Use chat support to get help with your Comcast Xfinity problems.

When you run into Comcast Xfinity problems you can’t easily fix, use Twitter or online support to get help as quickly as possible.

Text chats are easy. If your account is active, work with support through messages at to solve your problem. Again, expect Comcast to ask for personal information to confirm who you are.

Send a message to ComcastCares if you have a Twitter account. An agent will ask you to clarify your problem and confirm your identity. Comcast Cares elevates your issue to phone support if they can’t fix it.


1 Comment

1 Comment

  1. Magne Lie

    10/03/2021 at 7:13 pm

    my new cable box only has cannels 1000 thru 1500 No normal cable channels

Leave a Reply

Your email address will not be published.

As an Amazon Associate I earn from qualifying purchases.