How to Check the Signal Strength on a Cable Modem

Techwalla may earn compensation through affiliate links in this story. Learn more about our affiliate and product review process here.

Your Internet signal strength is an important factor in determining the speed of your browser and how your computer handles the transmission speed of videos and sound. When you're having issues with your cable modem, many service providers will test your signal strength from their end, but you can do this on your own. When you check the signal strength on a cable modem, you can help your provider diagnose your problems much more quickly and get things working the way that they should.

Advertisement

Step 1

Open an Internet browser window.

Advertisement

Video of the Day

Step 2

Type http://192.168.100.1 into the address bar of the browser. This is the universal modem IP address.

Advertisement

Step 3

Scroll down the diagnostics page that you pops up until you reach the section that shows your cable modem's Downstream SNR, Downstream Power, Upstream SNR and Upstream Power.

Advertisement

Advertisement

Step 4

Write down the values for each of the signal strength values. You can use this information for technical support if necessary.

Video of the Day

Advertisement

Advertisement

references & resources