
The demand on the market for spectrum modems and routers are growing day by day due to its high quality build and efficiency of the product grabbed in the eyes of the spectrum users and also reliable and cooperative services provided by the spectrum support to their trusted users.
Apart from the positive side of the spectrum there are also some confusing state issues faced by the spectrum users, sometimes which makes it difficult to rectify the problem on their own.
So you don’t need to get stumbled upon your query on why the ‘Spectrum Modem Online Light Blinking White and Blue’.
In this article we’ll guide you on troubleshooting the issue and knowing how this issue occurred on your modem and what are the ways to fix the issue in no time.
So why to wait?
Also Read: Spectrum Router Blinking Blue: How to Fix It?
Why Spectrum Modem Online Light Blinking White And Blue?
When you power on the spectrum modem, it usually takes 5 minute to boot up properly and during booting the spectrum modem online light starts flashing white and blue, which indicates discovering for the internet network connection, once it discover the proper network connection and internet, the blinking white and blue light turns into solid blue.
But if you observe white and blue light on modem after spending more than 5 minutes, then there can be problems with either coaxial cable, loose connection, or internet connection.
Several issues can be noticed with coaxial cable, it may be not tightened properly or coaxial cable damaged at the back of the modem.
Even the internet link down issue from the Internet service provider (ISP) due to some technical problem, can also relate to flashing white and blue light on the modem.
Also do checkout the video on How to troubleshoot spectrum Internet.
Ways To Fix Spectrum Modem Online Light Blinking White and Blue

So now you know the reason for blinking white and blue light in the spectrum modem, now let’s dive into the solution for the problem one by one.
1. Check the modem cable connection

If you find any issue related to the internet network down then the first and foremost step you need to perform is to check the cable connection to the spectrum modem.
- Coax cable and other cables: check the coax wall outlet, if there is any damage to the coax cable coming from inside the wall and also check the coax cable from modem to wall outlet. If you find any damage to the cable then replace it with the new one.
Also make sure al the cable connections like Lan and power cable connections are
securely tightened at both the ends and also checked for any damage.
2. Give a restart to your modem
After checking all the cables, still the issue of blinking white and blue lights persists, then try to restart your spectrum modem. How to reboot the modem? Let’s check it out below.
- Remove the power cord from the modem and wait for 5 minute, if it is overheated let it cool down.
- Then after a few minutes again plug in the power cable and power on the modem and wait for 2 minute let it search for the internet network. Once it catches the internet, the Led light will turn into solid blue and you can access the internet and your problem of Spectrum Modem Online Light Blinking White and Blue will be solved.
3. Use My Spectrum App and Forums
You check the status of your modem on a simple application called My Spectrum app, you can view the status devices connected to your modem, you can also do the troubleshooting of your modem, like giving a soft restart to your modem.
Visit spectrum community forum site to get the answers for your specific queries on spectrum devices.
4. Contact Spectrum Support

Sometimes there can be issues from the spectrum end, try to communicate with the spectrum support team regarding any service outage in your area. It has been observed, usually there can be ongoing service maintenance on base transceiver station (BTS) end.
That may disrupt your modem internet connection, contact the technical support team and ask for the time duration on the link up process.
What Do The Lights On Spectrum Modem Indicates?
The following points explains what the colors mean:
- Solid Blue Status: After power on, the spectrum modem turns into solid blue blinking lights, this indicates that the modem is operating on high speed internet connection. This is know for DOC SIS 3.1 Bonded State.
- Solid White Light Status : The solid white light shows that the modem is functioning on standard internet speed, which means that you’ll observe a difference in download speed. This is known as the DOC SIS 3.1 Bonded State.
- Blinking White And Blue Light: The flashing blue and white light on the spectrum modem indicates that the modem is searching for the internet connection.
- No light Status: This means the spectrum is having power issues or no internet network access to the spectrum modem.
Also Read: Laptop Power Button Flashing
FAQs
How do I know if spectrum modem is connected to the internet?
You need to download an application called My Spectrum app on your mobile and check the internet status.
Sign in with your credentials into spectrum account and select the ‘services’ your device will be listed along with the status.
It will show either ‘connected’, ‘unavailable’ or ‘connection issue’.
If you see a “Connection Issue” status, select Restart Equipment?
And check for the internet connection on My Spectrum App.
What does blinking white light on a spectrum router mean?
The blinking white light on a spectrum router means that the router is establishing the internet connection, once it’s done then the LED light will turn into Solid Blue.
How do I fix a blue flashing light on my Spectrum router?
- Restart the spectrum router.
- Check the coaxial connection cable for any damage or loose cable connection.
- Check the power outage.
- Check with the ISP for the link.
- Reset the router for default settings and reconfigure it later.
Conclusion
We hope that you have found the solution for your problem from the above fixes. The spectrum modem online light blinking white and blue may have caused confusing state to many spectrum users but we have tried our best to remove your query of why spectrum blinking with certain led lights.
If you observe the white and blue lights on the spectrum modem then immediately take an action on coaxial cable, faulty router modem or an internet service outage in your area.
On the other hand, you can always visit our website computertopic for any network related issues and find solutions for your specific network issues.