Netgear WNDR4000 User Manual download pdf (Page 92)

92 | Chapter 8. Troubleshooting

N750 Wireless Dual Band Gigabit Router WNDR4000 User Manual

• Make sure that your browser has Java, JavaScript, or ActiveX enabled. If you are using

Internet Explorer, click Refresh to be 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. The factory default login name

is admin, and the password is password. Make sure that Caps Lock is off when you

enter this information.

Cannot Access the Internet

If you can access your router but you are unable to access the Internet, first determine

whether the router can obtain an IP address from your Internet Service Provider (ISP).

Unless your ISP provides a fixed IP address, your router must request an IP address from the

ISP. You can determine whether the request was successful using the Router Status screen.

To check the WAN IP address:

1. Start your browser, and select an external site such as http://www.netgear.com.

2. Access the main menu of the router’s configuration at http://www.routerlogin.net.

3. Select Maintenance > Router Status.

4. Check that an IP address is shown for the Internet port. If 0.0.0.0 is shown, your router has

not obtained an IP address from your ISP.

If your router cannot obtain an IP address from the ISP, you might need to force your cable or

DSL modem to recognize your new router by restarting your network, as described in

Sequence to Restart Your Network on page 89.

If your router is still unable to obtain an IP address from the ISP, the problem might be one of

the following:

• Your Internet service provider (ISP) might require a login program.

Ask your ISP whether they require PPP over Ethernet (PPPoE) or some other type of

• If your ISP requires a login, the login name and password might be set incorrectly.

• Your ISP might check for your computer’s host name.

Assign the computer host name of your ISP account as the account name in the Basic

Settings screen.

• Your ISP allows only one Ethernet MAC address to connect to Internet and might check

for your computer’s MAC address. In this case, do one of the following:

- Inform your ISP that you have bought a new network device, and ask them to use the

router’s MAC address.

- Configure your router to clone your computer’s MAC address.

If your router can obtain an IP address, but your computer is unable to load any Web pages

from the Internet:

• Your computer might not recognize any DNS server addresses.

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Netgear WNDR4000 User Manual Page 92