Xfinity Internet Keeps Disconnecting (Easy Fixes)

Xfinity Internet Keeps Disconnecting

Have you experienced an issue where your Xfinity internet keeps disconnecting?

It can be incredibly frustrating when this occurs, especially if you’re reliant on the internet for work, streaming, or gaming.

The reasons why your internet keeps disconnecting can vary from signal issues, loose cables, and service outages so you need to have a clear process in place to first diagnose the cause and second, identify the best option to fix the issue.

In this article, we’re here to help you out by providing actionable steps to fix intermittent internet on an Xfinity router.

Luckily, most fixes are easy to implement and don’t require much technical knowledge.

It is only if there is a local internet outage that you are reliant on external expertise, as you will have to wait for a technician to fix the issue.

Read on to learn more about causes and fixes to disconnecting the internet on Xfinity routers.  

Why Does My Xfinity Internet Keep Disconnecting?

When your Xfinity internet is disconnected, it is mostly not an issue with the router device itself, but other reasons such as:

  • Interference with the signal.
  • Loose and faulty cables.
  • Distance of WiFi.
  • Outage with the service.

How to Stop Your Xfinity Internet from Cutting Out

Xfinity Internet Cutting Out Fixes

Below we outline 14 steps you can take to prevent your Xfinity internet from disconnecting. You can follow the steps in order to ensure you quickly find a solution.

1. Check the light on your router and modem

The different lights on your router show various problems. The LEDs on your router or modem will tell you if there is something wrong when your internet keeps disconnecting.

On Xfinity devices, the light types and corresponding status are:

  • Solid white – device is fully operational.
  • Blinking white – device has unstable internet.
  • Solid red – device has no internet connection.
  • Blinking blue – device is in WPS pairing mode.

2. Look for Xfinity service outage

If your entire local area does not have internet, then the lack of internet connection is not due to your router or modem.

Probably, Xfinity has an outage in your region and you can confirm this by signing in to your account on

If your area has an outage, Xfinity will give you an estimated time when they bring back the service.

3. Check for Interference

If the lights on your router and modem are fine and there is no service outage, then there may be something causing interference in your home.

These may include baby monitors, microwaves, landline wireless phones, Bluetooth devices, or fluorescent lights.

Your router’s 2.4 GHz channel is more prone to interference from the devices mentioned above, therefore, switch to 5 GHz if you can.

If not, you should move your router to a different location in your house. Or remove/reduce the device that is bringing the interference.

If this does not work, then you may need to check if your router needs a firmware update.

4. Update your router’s firmware

Updating your router’s firmware may be the solution to your disconnected Xfinity internet. Your router is controlled by software known as the firmware and like any software, it may have patches and updates.

The following are the steps to update your firmware:

  • Log into the admin page of your router.
  • Check for a tab known as ‘Update’, ‘Router Upgrade’, or ‘Firmware’.
  • Follow the steps to update the firmware.

If the modem and router are separate, remember that a firmware update can sometimes break their compatibility.

Therefore, if your modem is older, you may want to skip this step for now until you replace it with a Xfinity compatible modem.

However, if you have a Modem/router combo device, you will not have this issue.

5. Check your cables

If your Xfinity internet keeps cutting out, then your cables could be the issue. A loose coaxial cable, which connects the wall outlet and the modem, is the most common problem.

To fix a coaxial cable, you need to unscrew it from the modem. Then tightly screw it back in. Try a different cable if it is still loose, and if it does not work you should contact Xfinity.

Splitters are another cable problem as it takes one signal and divides it into two which causes issues with the internet connection. To fix this problem, you need to buy a new splitter from Xfinity.

Additionally, you should check the Ethernet cables to ensure that they are undamaged, clicked into the ports, and snug.

6. Check your router’s power settings

Your Xfinity router may have issues with some types of internet connections if it is set to ‘Power Saving Mode’.

Therefore, you should turn the Power Saving Mode off by logging into the admin page of your router. Then find a tab named ‘Power Management’ or ‘Power’ and turn it off.

When you are finished with these changes, you should reboot your router and modem. This will enable the changes to be applied and any connection issues will be fixed.

7. Move your router

If you are still having trouble connecting to the internet, the problem may be your router’s location. If your router is near a window, in a corner, or behind a TV, these can all lead to issues with your WiFi signal.

The general rule is you should place your router in the center of your house, as this will help make the signal as strong as possible.

Also, you can move the router to a different level. For example, if it is on the shelf, move it to the floor and if it is on the floor, move it to the shelf.

8. Dust off the router

If your router is still not connecting to the internet, maybe you should give it a good cleaning. When dust accumulates on the vents, there will be issues with airflow leading to overheating which the result in the router being damaged.

To clean your router, first, unplug it from the power supply. Dust off the vents using a can of compressed air and ensure that you do not touch any internal circuit boards. Once cleaned, plug the router back in and check if the issue is fixed.

9. Change your DNS server

Are you still having trouble connecting to your Xfinity internet? You can change your DNS, but you need to be careful as it is an advanced solution.

The purpose of a DNS server is to change website names to IP addresses, and if it is overloaded or not working correctly, your internet connection will have issues.

There are different options for DNS servers, but the Google DNS server is recommended.

To change it, you need to log into the admin page of your router and find a section called ‘WAN’, ‘Internet’, or ‘Network’ and click on it to get the option of changing your DNS server to

10. Change your router’s wireless mode or channel

The next thing that you can do to help restore the internet connection is to change the channel of your router. The channel is the frequency used by your router to communicate with the devices.

The connection will be slowed down or there will be interference if other devices use the same channel. Your router can also disconnect.

Changing your channel is easy and what you need to do is log into the admin page and find a tab named ‘Radio’, WiFi’, or ‘Wireless’. Look for the option of changing the channel and select a different channel.

Additionally, you can use a different wireless mode, meaning changing the protocol used by your router to pass information to your devices. 802.11ax (WiFi 6) and 802.11ac (WiFi 5) are the most common modes.

Your router’s internet connection may be restored if you change the setting to WiFi 6 from WiFi 5 as the previous one has better optimization and can handle more devices.

You can choose a different wireless mode in the ‘Wireless’ ‘Radio’ or ‘WiFi’ section of your admin web page.

After making these changes, reboot the router and modem. This should solve the problem and help you with your connection.

11. Remove connected devices

The next thing that you can do is disconnect all the devices connected to your router’s network including smart TVs, computers, smartphones, gaming consoles, etc.

Your router could be overloaded if it is connected to too many devices leading to issues with internet connection.

Therefore, check for any devices that are not in use and disconnect them and see if this solves the problem. Once finished, start reconnecting the devices one by one to find which one is causing the issue.

12. Restart or reset your router

Try resetting or restarting your router and modem or router/modem combo if the problem is still there. Sometimes, this is all you need to do to fix the problem. If it does not work, you should hard reset your router.

To do a hard reset, use a pin to press the reset button and hold it for about 10 seconds. Your router will be restored to default settings, meaning you have to redo all the settings and passwords again.

13. Contact Xfinity support

If you have done all the steps mentioned above and the internet is still disconnected, your option at this stage is to contact customer care support. You can speak to the by phone or online through their website.

An expert or technician will walk you through some of the solutions to fix the problem, but if you are not able to fix it yourself, they will come to your home and fix it for you.

If the problem cannot be fixed, they will give you recommendations on what to do, which could be buying a new modem or router.

14. Get a new modem or router

Have you done all the above methods, but the problem is still there?

Then it could be time to get a new modem or router. It is normal for modems and routers to stop working correctly after some time.

Xfinity has several options to select from, and you can buy one that is suitable for your needs.

You can either rent a router or modem from Xfinity or buy your own. For better performance and to avoid rental fees, we recommend choosing the option of buying your own Xfinity compatible router or modem.


How can I get an improved WiFi connection?

Although we are focused on improving Xfinity internet connections in this article, there are a variety of tips to improve your WiFi connection that works across different router brands. These are listed below.

  • Locate yourself and your device closer to where the router is located.
  • Ensure your internet devices have the latest software update.
  • Update the router firmware.
  • Regularly reset your router.
  • Turn additional devices connected to the router off as they take up bandwidth.
  • Limit activities such as video calls or streaming.
  • Upgrade your bandwidth plan.

What causes a regional internet outage?

If your whole community has no internet access it is likely due to an outage with the internet network ‘backbone’. Internet service providers have thousands of backbone networks spread nationwide.

The purpose of these networks is to provide an exchange path for various smaller networks to interconnect.

If the backbone has an outage, a whole building or community will suffer an outage.

What’s the difference between a router and a modem?

The modem is a device that brings internet to the home from the internet service provider, while the router provides a local network within your home.

The modem uses a public IP address and WAN network to translate ISP signals into ones your devices can communicate with.

The router meanwhile uses local IP addresses and a LAN network to connect your devices. The router emits an internet connection either through an ethernet cable or wireless WiFi signal.

Traditionally, the router and modem come as two separate devices. However, the latest technology brings the two functions of a modem and router into one device. An example of this multi-functional machine is the Xfinity Wireless Gateway.

Final Words

Hopefully, you’re now clear on the reasons why your Xfinity router has intermittent internet and some potential solutions to fix the issue.

We recommend following our 14 solutions to help you efficiently solve the issue.

Our suggested process starts with a review of the lights on the router and modem and ends with seeking a replacement router or modem as the process has identified the device to be faulty.

In the majority of cases, the disconnecting internet should be fixed by one of the solutions we propose.

It is always helpful to maintain a dialogue with the Xfinity support team to ensure that they are aware of the issue and can provide specific technical advice.

Daniele Besana

Daniele Besana

Daniele is a freelancer consultant with 15 years of experience in network security, customer support, Linux and Salsa. He worked for Juniper Networks in Netherlands, providing support and consultancy on security projects across Europe and Middle-East.

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