86
Appendix A: Troubleshooting
Common Problems and Solutions
Wireless-G Router for Mobile Broadband
The following instructions assume you are running Windows XP with the default interface. If you are using
the Classic interface (where the icons and menus look like previous Windows versions), please follow the
instructions for Windows 2000.
1. Click
Start
and
Control Panel
.
2. Click the
Network and Internet Connections
icon and then the
Network Connections
icon.
3. Right-click the
Local Area Connection
that is associated with the Ethernet adapter you are using,
and select the
Properties
option.
4. In the This connection uses the following items box, highlight
Internet Protocol (TCP/IP)
. Click the
Properties
button.
5. Enter a unique IP address that is not used by any other computer on the network connected to the
Router.
6. Enter the Subnet Mask,
255.255.255.0
.
7. Enter the Default Gateway,
192.168.1.1
(Router’s default IP address).
8. Toward the bottom of the window, select
Use the following DNS server addresses
, and enter the
Preferred DNS server and Alternative DNS server (provided by your ISP). Contact your ISP or go on its
website to find the information.
9. Click the
OK
button in the Internet Protocol (TCP/IP) Properties window. Click the
OK
button in the
Local Area Connection Properties window.
3. I want to test my Internet connection.
A
Check your TCP/IP settings.
For Windows 98SE, Me, 2000, and XP:
•
Refer to Windows Help for details. Make sure Obtain IP address automatically is selected in the settings.
B
Open a command prompt.
For Windows 98SE and Me:
•
Click
Start
and
Run
. In the
Open
field, type
command
. Press the
Enter
key or click the
OK
button.
For Windows 2000 and XP:
•
Click
Star
t and
Run
. In the
Open
field, type
cmd
. Press the
Enter
key or click the
OK
button. In the
command prompt, type
ping 192.168.1.1
and press the
Enter
key.
•
If you get a reply, the computer is communicating with the Router.
•
If you do NOT get a reply, please check the cable, and make sure Obtain an IP address automatically is
selected in the TCP/IP settings for your Ethernet adapter.
C
In the command prompt, type
ping
followed by your Internet or WAN IP address and press the
Enter
key.
The Internet or WAN IP Address can be found on the Status screen of the Router’s web-based utility. For
example, if your Internet or WAN IP address is 1.2.3.4, you would enter
ping 1.2.3.4
and press the
Enter
key.
•
If you get a reply, the computer is connected to the Router.
•
If you do NOT get a reply, try the ping command from a different computer to verify that your original
computer is not the cause of the problem.
D
In the command prompt, type
ping www.yahoo.com
and press the
Enter
key.
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