How do I fix my Arris CM820?

How do I fix my Arris CM820?

How do I troubleshoot Internet connection issues with my CM820?…Power Reset

1. Shutdown the computer.
2. Unplug the cable modem from the AC wall outlet and wait one minute.
3. Plug the cable modem into the wall outlet.
4. Wait until the Power, Receive, Send, and Online LEDs are solid.
5. Restart the computer.

What is the Arris CM820?

The Touchstone DOCSIS 3.0 8×4 Cable Modem CM820 delivers ultra-high speed data access to cable service subscribers’ homes and businesses. With the CM820, cable operators can offer data services at speeds greater than 300Mbps to their subscribers to compete against VDSL and fiber to the home threats.

Are Arris modems reliable?

The ARRIS SURFboard SBG6900AC is known for its overall reliability, and it has a two-year warranty to back it up in case something does go wrong. Besides being reliable, this modem/router is decently fast. It uses DOCSIS 3.0 technology (like most modems) and has 16 x 4 channels.

Does Arris CM820 have WiFi?

The unit does not have built in 802.11ac (WiFi). you will need a separate device (wireless router) that will plug into the device via Ethernet cable.

Why is my Arris router not working?

Check that the power cord is properly plugged into the wall outlet and rear panel of the modem. Check that the electrical outlet is working. If electrical connection is OK and modem reset does not work, contact Customer Support. Check the coaxial cable connection at the modem and wall outlet.

What lights should be on spectrum modem?

Spectrum Modem Online Light Blinking

Modem Label	LED Light Behavior	Action To Take
	On	Reset modem, Tighten all cable connections, Reboot router
ASDL	Green Solid	Nil
	Green Blinking	Reboot modem, Check cables, Reboot router
LAN	Off or Green Solid	Reboot modem and router

How do I setup my Arris CM820 modem?

To Install CM820

1. Connect one end of the coaxial cable to the cable outlet or splitter.
2. Connect the other end of the coaxial cable to the cable connector on the CM820.
3. Plug the power cord into the power connector on the CM820.
4. Plug the power cord into the electrical outlet.

How do I update my Arris modem firmware?

Upload the Downloaded Firmware to the Router

1. From the Setup page on the router interface, select Status.
2. Choose Router Upgrade from the drop-down menu.
3. Select Browse and navigate to the file you just downloaded.
4. Select Upgrade and confirm.
5. The file will be uploaded and installed.

Can I upgrade my spectrum modem?

To get the most out of your Spectrum Internet service, you can request a replacement modem online. We’ll provide you with a replacement modem and a Self-Installation Kit to guide you through the installation process.

What type of modem does spectrum use?

	Spectrum Internet (60 Mbps)	Spectrum Ultra (400 Mbps)
Cable Modems	CM500	CM700
Gateways	C6220	C7000

How do I reset my Arris CM820 modem?

Press the reset button and plug the power in; hold the reset for 10 more seconds, then release.

How do I know if my Arris modem is bad?

However, if your modem is bad or is on the way to going bad, here is what you can expect:

1. The modem won’t turn on.
2. You can’t connect to the internet at all.
3. Internet connection drops in and out randomly.
4. Internet speed is inconsistent or is consistently slower than it used to be.