Netgear CM3000 User Manual - Page 24

Nighthawk CM3000 2.5 Gbps Cable Modem Cannot log in to the cable modem If you cannot access your cable modem from a computer that is connected to your cable modem or to a router that is connected your cable modem, check the following: • If your computer is connected to your cable modem with an Ethernet cable, check the connection. • Make sure that Java, JavaScript, or ActiveX is enabled in your browser. If you are using Internet Explorer, click the Refresh button to make sure that the Java applet is loaded. • Try quitting the browser and launching it again. • Make sure that you are using the correct login information. Your cable modem user name admin is lowercase (Caps Lock is off). • Make sure that your computer's IP address is on the same subnet as the cable modem. The IP address of your computer must be in the range of 192.168.100.2 to 192.168.100.254. If your cable modem does not save changes you made, do the following: • When entering configuration settings, be sure to click the Apply button before moving to another page, or your changes are lost. • Click the Refresh or Reload button in the web browser. It is possible that the changes occurred, but the web browser is caching the old configuration. Troubleshoot the cable internet connection If your cable modem cannot access the Internet but the Online LED lights white, make sure that the cable MAC address or device MAC address of your cable modem is registered with Internet service provider (see Activate Your Internet Service on page 11). Troubleshooting 24 User Manual