How To Fix Insufficient Bandwidth On Comcast/Xfinity

Insufficient Bandwidth On Comcast/Xfinity

Do you have a problem with your TV’s bandwidth? While Comcast’s Xfinity is synonymous with fast internet, it is prone to bandwidth speeds. The projected package speeds may differ from your typical internet speeds. While calling the company is the most convenient way to resolve bandwidth issues, most connection issues are determined using the suggestions below. So, how do you fix Insufficient Bandwidth On Comcast/Xfinity issues? To begin, test the internet speeds on another device.

Restart the modem if the bandwidth is slower than what you paid for. Placing the modern in the center of your home helps to boost the Xfinity wifi signal to improve Insufficient Bandwidth On Comcast/Xfinity. Upgrade your equipment if the first two steps do not increase Comcast bandwidth.

How to Troubleshoot Xfinity/Comcast Bandwidth Issues

To fix Insufficient Bandwidth On Comcast/Xfinity, follow these procedures.

Step 1: Run the speeds through a different device

It would be ideal for testing the speeds from a different device to ensure that the router causes the bandwidth issue.

You can use a PC or a phone to see if the issue is shared by all devices connected to the same network.

  • Go to in your browser.
  • Carry out the speed test.

If the speed matches your Xfinity plan, it indicates that your internet requirements are more than what you are paying for. As a result, upgrading the program is the best method to fix the issue.

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Restart your router if the speed test shows a disparity between what you pay and what you get.

Step 2: Restart your router

Restarting the internet connection is a simple technique to cope with slower speeds. A restart will renew the relationship as well as debug your router.

Restart the router as follows:

  • Turn off the router.
  • After two minutes, reconnect the router.
  • Perform a speed test.

You will automatically receive faster speeds if a router bug causes the issue. However, if the bandwidth is still inadequate, contact Comcast customer service. Most clients in your area may be experiencing the same issue. Contacting customer care and requesting that your connection be reset is beneficial.

Step 3: Reposition your router in your home

The location of the router in your home influences the internet connection in various areas of your home. So, if you want faster and more stable connections to your devices, you need to move the router.

Placing the router in the center of your home helps to provide consistent connection speeds across all rooms. Also, make sure your router is in a well-lit area. Even if the router is in a central location, thick walls and other electric equipment might slow internet speeds.

Step 4: Make changes to your internet consumption

Even with incredible data speeds and various device support, changing our internet usage helps fix Comcast’s insufficient bandwidth difficulties.

Some of the changes that can help you improve your connections are as follows:

1. Begin with a wired connection

As an alternative to a wifi connection, most Smart TVs allow Ethernet cords. Concerning wireless connections, cable connections are faster and more stable. Furthermore, the lack of an interface between the router and the tv makes your connection faster and more dependable.

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2. Rearrange your gaming sessions

Gaming consumes bandwidth, especially if other people in the house are watching TV on the same connection. As a result, you should reschedule your gaming sessions for other internet users to enjoy consistent connections. You can also learn how to stream gaming sessions even if your internet connection is slow.

3. Disconnect some of your devices from your network connections

You can fix the bandwidth issue by removing some devices from your internet connection. Disconnecting some devices, such as PCs and phones, can enhance your internet connection.

Step 5: Upgrade your router

Hello, @Xfinity. I’ve been on hold for 15 minutes while waiting for my wifi to be repaired. I rebooted my modem five times in the last hour, checked all plugins, and attempted troubleshooting through the app. I’m furious.

May 4, 2020 — Maria Fraschilla, MA, BA, CPT, Mentally Ill (@MariaFraschilla)

If altering the location of your router (as well as your internet usage) in your home does not enhance bandwidth speeds, you are using obsolete technology. While the router is part of the cable infrastructure, third-party routers function properly on Comcast’s connections.

A new router will boost data speeds and increase connection range. A new router is also beneficial if you have many connections at home. Our extensive information on Xfinity modem combos is a fantastic place to start when looking for a new router.


While contacting Comcast Xfinity customer service is the most convenient approach to resolving bandwidth issues, you should consider other choices.

For example, rebooting the router or relocating it to your home resolves the Comcast insufficient bandwidth issue. Additionally, lowering your internet consumption and improving your equipment can aid in the resolution of connection issues.