NETGEAR Guide to Resetting Your Modem and Troubleshooting CM400 Issues

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CM400 High Speed Cable Modem

5.In the Cable Information pane, click the Reboot button. A confirmation message displays.

6.Click the OK button.

The cable modem reboots.

Reset the Cable Modem to Factory Default Settings

To reset the cable modem to factory default settings, you can use either the Reset button on the back panel of the cable modem or the Factory Reset software button. However, if you changed the default password to access the cable modem and lost the password, you must use the Reset button on the back panel.

After you reset the cable modem to factory default settings, the user name is admin, the password is password. The LAN IP address is always 192.168.100.1. You cannot change this LAN IP address.

Use the Reset Button on the Back Panel

CAUTION:

This process erases all settings that you configured in the cable modem.

To reset the cable modem to factory default settings:

1. On the back of the cable modem, locate the Reset button.

Reset button

2.Using a straightened paper clip, press and hold the Reset button until the Upstream and Downstream LEDs light amber.

Manage and Monitor

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Contents CM400 High Speed Cable Modem Support ComplianceTrademarks Contents Hardware and Internet Setup Unpack Your Cable Modem Front PanelBack Panel LED descriptionsProduct Label Attach the Feet To attach the feet Cable Your Cable Modem  To cable your cable modem To set up your Internet connection Cable Internet Provider Contact InformationInstall.charter.com Manage and Monitor Log In to the Cable Modem Specify the Cable Connection Starting FrequencyView Cable Modem Initialization  To view the status of the cable modem initializationView Cable Modem Status  To view cable modem status View and CLear Event Logs  To view and clear the event logsChange the admin Password  To change the password for the user name adminReboot the Cable Modem  To reboot the cable modemReset the Cable Modem to Factory Default Settings  To reset the cable modem to factory default settingsUse the Factory Reset Software Button  To erase the settingsManage and Monitor Troubleshooting Use LEDs to Troubleshoot Cannot Log In to the Cable ModemTroubleshoot the Cable Internet Connection Technical Specifications Technical specifications