Xfinity Router Blinking Blue: 9 Methods To Easily Fix It

Different light indicators on your Xfinity router can convey different messages, and often it can be hard to understand the issue they’re pointing to.

As far as the issue of the Xfinity router blinking blue is concerned, there are several possible scenarios that you should look into.

However, the good news is that each and every one of these problems can be tackled easily, and most of the methods do not require any professional assistance.

Keep on reading as we go through the possible issues a blinking blue light could indicate, as well as the most effective solutions.

Why is my Xfinity router blinking blue?

When it comes to a Comcast Xfinity gateway device, it is safe to say that your life will be much easier once you learn exactly what each of the light indicators means.

In addition to the color, what makes a huge difference is the pattern, as a steady light and a blinking light usually do not have the same meaning.

Let’s start with the most important, basic light indicators you will find on your Xfinity WiFi router. First and foremost, no light means no activity, and there will be no light of any color if your router is turned off.

Once you notice a white light on the router, the device is now turned on and you can establish an internet connection.

However, if the white light on the Xfinity router persists and it doesn’t transition to any other color, this usually means that you haven’t activated the router properly.

In this case, it is best to contact Xfinity support for further guidance, or simply go back to the user manual and make sure you’ve completed each and every activation step.

A red light, on the other hand, usually means that there are some connectivity issues as your Xfinity router is unable to connect to the internet.

If there is an orange light on the Xfinity modem or router, chances are that there is an Xfinity systems firmware update going on, and you should wait for a couple of minutes.

However, a persistent orange light could also signify a service outage or other problems concerning your internet provider.

It is also possible to notice a green light activity on the router, which often means there is a service outage – especially if the light is blinking green.

Aside from the Xfinity router blinking green, there are other color combinations that could be pointing to internet connection problems, and one of them is a blinking blue light.

While a steady blue light usually signifies the attempt of the router to connect to another wireless device, a flashing blue light can have a completely different role in Xfinity router troubleshooting.

Let’s see what potential problems you should look into if your Xfinity box is flashing blue.

1. WPS mode

The first possibility, which is also the least problematic, is that your WiFi router is flashing blue because it has entered the WPS (Wi-Fi Protected Setup) mode.

What this means is that the WPS mode has been activated by pressing the button, and your Xfinity router is trying to establish an internet connection to another wireless device.

Once the connection has been established, the blinking blue light should go away. However, if there are connectivity problems, the blinking blue light could persist.

In case the connection wasn’t possible and the blue light is still there, this could lead to another problem concerning your device status.

2. Poor signal

One of the possible reasons behind an unsuccessful connection between the Xfinity router and another wireless device is a poor signal, and the blue flashing light could indicate this.

In case the router is too far away from the wireless device in question, this distance could be the main issue.

3. Splitter issue

Are you using a splitter to divide your connection? In this case, it is possible that your splitter device is either faulty or not functioning properly.

A damaged or dysfunctional splitter will definitely affect your internet connection, as well as the functioning of the Xfinity router.

4. Service outage

Often, the problem is on the end of the Xfinity systems, and it has nothing to do with your firmware, splitter, or the distance between the devices.

Luckily, this scenario isn’t something that will require a lot of investigating, as you can simply contact Xfinity support or your local provider and get the necessary info.

5. Wrong setup

If your Xfinity router is blinking blue and you can’t seem to figure out what the problem might be, it may be time to check the user manual and make sure that all the connections were properly installed.

For instance, it is possible that you haven’t plugged a certain cable into the corresponding outlet, or that you’ve overlooked a certain aspect of the setup process.

Even what may seem like marginal mistakes could compromise the entire system, so make sure to follow each step carefully.

6. Damaged/faulty firmware

Whether you’ve received a brand new Xfinity device, or you’ve had it for years, it is possible that a certain component of the device is damaged.

It could be a single loose wire or a damaged cable that is compromising the internet connectivity or blocking the connection to your wireless devices.

7. Blockages

Depending on how often you clean your Xfinity device, and where you keep it, it is possible that there are physical blockages seriously affecting the functioning of the system.

Even something seemingly unimportant, like built-up dirt and particles, could be breaking up the connection.

How to fix an Xfinity router blinking blue

The first step to establishing a stable internet connection and fixing your Xfinity router is definitely to get to the bottom of the issue.

However, if you haven’t been able to detect the problem causing the router to flash blue, there are still methods you can use to further troubleshoot the device and detect the root issue.

Let’s go over the best methods you can use to solve the blinking blue light issue, whether you’ve discovered the problem or it still remains unknown.

1. Test the WPS mode

If the blinking blue light on your Xfinity router starts when you’re trying to connect to another device, this is perfectly normal, and it should go off the moment the connection is secured.

However, if the blinking light activity continues even after the connection has been established, or you’re unable to connect at all, it is necessary to look into other possibilities.

In this case, you can either contact customer service right away or go over some of the methods in this guide and see if any of them makes the problem go away.

2. Relocate the router

Is your Xfinity router located too far from the wireless device you’re trying to connect to?

Depending on your Xfinity package and the router specifications, there are limits when it comes to the distance and the connectivity capability to other devices.

Therefore, in this case, you might need to get closer to the router or relocate it according to your needs.

3. Check the splitter

In case you’re using a splitter, this is one of the first troubleshooting steps you should follow when trying to understand the message behind the blinking blue light.

Oftentimes, the blue light means that the splitter is either damaged or not functioning properly.

You can test this possibility by connecting the device directly to the router, without using the splitter.

If the blue light goes away, this means that the splitter isn’t functioning properly even if you see no physical damage.

4. Contact customer support

In case of a service outage, there is nothing you can do on your end to establish a connection or fix the issue.

However, it is helpful to get the latest information on your device status, which can easily be acquired by contacting Xfinity customer support.

The information on a service outage should also be available on the Comcast website, as well as the Xfinity app. All you need to do to access this information is to log in using your Comcast user information.

5. Check the connections

If none of the methods we’ve mentioned so far seem to be successful, there could be something wrong with the way you’ve set up the Xfinity device.

You want to make sure you’ve connected all the elements properly, and there are no mismatched wires/cables and outlets.

All the necessary setup steps can be found in the Xfinity user manual, but you can also contact customer support to get a detailed guidance.

6. Check for any defects

As you’re checking the device for any mismatched connections, make sure to keep an eye out for any physical defects – even the smallest ones.

Any loose wires or damaged cables should be repaired or replaced, not only to ensure a stable internet connection but for your safety, as well.

It is possible to detect damaged components even with brand new devices, as manufacturing defects can happen.

In this case, make sure to return the damaged Xfinity router and request a refund or a replacement.

7. Remove blockages

Yes, even accumulated dust and debris are considered a physical blockage, which is why it is necessary to clean your device regularly, using a lint-free cloth and rubbing alcohol.

If your router is located too close to the wall or another object, this could be compromising its functioning, as well.

You also want to keep the router on a flat surface, making sure all the components are positioned properly.

8. Restart the router

Sometimes, fixing an Xfinity router isn’t as complicated as it may seem, and all the problems and minor bugs seem to go away with a simple restart.

You can restart the router manually, by disconnecting the device from the power source, waiting a few minutes, and then reconnect it again.

If you’re using the Xfinity app, simply open the app and find the Internet menu. Select Restart this device if you’re using iOS, or Trobleshoot>Start troubleshooting>Restart Device if you’re an Android user.

9. Factory reset

The last option, if none of the methods have proven successful, is to perform a factory reset of your router, which will eliminate any adjustments you’ve made to the Xfinity device settings.

To do this manually, find the Reset button on the back of the router, and hold it for about 30 seconds until all the light indicators are turned off.

A factory reset can also be done via the Admin dashboard on the Comcast website. Log in using your credentials which will open the router settings menu.

Click on Troubleshooting>Reset/Restore gateway>Restore Factory Settings. Allow the router to restart, then check if the blue light is off.

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