Rebooting Your Cable Modem: Arris Modems
Shut down and turn off any computers connected to the cable modem.
Go to the back of the cable modem and unplug the Cat 5 cables from the back.
Unplug the power cord from the back of the cable modem. After about 30 seconds, plug the power cord back into its proper socket.
After you have plugged the power cord back in let your modem reboot, this could take from 2 minutes up to about 5 minutes. You will know your modem is finished rebooting when the following lights stop flashing and go solid: Power, DS, US,Online.
Plug back in the Cat 5 cables and restart all computers connected to the modem. Check for an Internet connection.
Figure 1: Unplugging Cat 5 cables
Figure 2: Unplugging Power Cord
Figure 3: Proper Light Configuration