Netgear N 750 User Manual

Troubleshooting27
Make sure that the network settings of the computer are correct: 
1.
Verify that your LAN-connected computers are configured to obtain an IP address 
automatically through DHCP. For help with this, see the documentation for your computer or 
“Related Documents” on page 39.
2.Verify whether the MAC address is needed. Some cable modem services require you to use 
the MAC address of the computer registered on the account. If this is the case, in the Router 
MAC Address section of the Basic...

Troubleshooting28
If the correct behavior does not occur, check for a remedy from the following table.
Table 3.  Troubleshooting the router’s LED behavior 
LED BehaviorRecommended Action
Power light is off. See “Connecting Your N750 Wireless Gigabit Router” on page 11), check the 
following:
• Make sure that the power cord is properly connected to your router and that 
the power adapter is properly connected to a functioning power outlet.
• Check that you are using the power adapter supplied by NETGEAR...

Troubleshooting29
For more information on WPS functionality and advanced features, see the online Reference 
Manual.
Troubleshooting Login Problems
If you are unable to log in to the N750 wireless gigabit router, check the following:
• If you are using an Ethernet-connected computer, check the Ethernet connection between the 
computer and the router as described in the previous section.
• Make sure that you are using the correct login information. The factory default login name is 
admin, and the...

Troubleshooting30
• 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 closing the 
browser and starting it again.
Checking the Internet Service Connection
If your router is unable to access the Internet, check that the Internet connection is working, and 
then check that the N750 wireless gigabit router can get an Internet address. 
Check that the Internet connection is working:...

Troubleshooting31
If your router is unable to obtain an IP address from the your service provider, the problem might 
be one of the following:
• Your service provider might require a login. Ask your service provider whether they require 
PPP over Ethernet (PPPoE) login.
• The service name, user name, and password might be set incorrectly. See “Troubleshooting 
PPPoE”.
• Your service provider might check for your computer’s host name.
Assign the computer host name of your ISP account to the N750 wireless...

Troubleshooting32
Troubleshooting Internet Browsing
If your N750 wireless gigabit router can obtain an IP address but your computer is unable to load 
any Web pages from the Internet, check the following.
• Your computer might not recognize any DNS server addresses. 
A DNS server is a host on the Internet that translates Internet names (such as www addresses) 
to numeric IP addresses. Typically your ISP provides the addresses of one or two DNS servers 
for your use. If you entered a DNS address when you...

Troubleshooting33
To ping the wireless router:
1.
From the Windows toolbar, click Start and select Run.
2.In the field provided, type Ping followed by the address of the router, as in this example:
ping www.routerlogin.net
or
ping 192.168.1.1
3.Click OK.
You should see a message like this one:
Pinging 192.168.1.1 with 32 bytes of data
If the path is working, you see this message:
Reply from 192.168.1.1: bytes=32 time=NN ms TTL=xxx
If the path is not working, you see this message:
Request timed out
If the...

Troubleshooting34
If the path is functioning correctly, replies as in the previous section are displayed. If you do not 
receive replies:
• Check that your PC has the IP address of your router listed as the default gateway. If the IP 
configuration of your PC is assigned by DHCP, this information is not visible in your PC’s 
Network Control Panel. Verify that the IP address of the router is listed as the TCP/IP default 
gateway.
• Check to see that the network address of your PC (the portion of the IP...

Technical Specifications35
Technical Specifications
Default Configuration Settings
This section provides factory default settings and technical specifications for the WNDR4000 
N750 Wireless Dual Band Gigabit Router .
Table 4.  Wireless Router Default Configuration Settings 
FeatureDefault Setting
Smart WizardEnabled
Router Login
Router Login URL http://www. routerlogin.net or 
http://www.routerlogin.com
Login name (case-sensitive) printed on 
product labeladmin
Login password (case-sensitive) printed...

Technical Specifications36
Firewall
Inbound (communications coming in from 
the Internet)Disabled (bars all unsolicited requests)
Outbound (communications going out to 
the Internet)Enabled (all)
Wireless
Wireless Communication Enabled
Name (2.4GHz b/g/n SSID) NETGEAR
Name (5Ghz a/n SSID) NETGEAR-5G
Security Disabled
Broadcast SSID Enabled
Country/Region United States in the US, otherwise varies by region
11N 5GHz Channel 153 for North America, and 
44 for most other countries
11N 2.4GHz Channel Auto...