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T-Mobile TM-G5240 Wireless Router User Manual
Version 0.7 041807
73
Troubleshooting
Introduction
This section provides solutions to problems that can occur during the installation and
operation of the TM-G5240.
Note:
It is recommended that you use an Ethernet connection to configure the TM-G5240
wireless router.
I can’t connect to the Internet
Check the lights for the TM-G5240.
•
Power light
– solid green
•
Internet light
– blinking green
•
Port light (any port 1-4)
– blinking green for data activity or solid green for no activity
but has good connection
Confirm that all cables are connected correctly and securely.
•
The modem is connected to your high speed internet connection.
•
The modem is connected to the Internet port of the TM-G5240.
•
The computer is connected to one of the numbered ports (1-4) on the TM-G5240.
•
The TM-G5240’s power adapter is connected to an electrical outlet.
Power off all devices (unplug if needed) and power on each device in the following order:
•
Cable or DSL modem
•
TM-G5240
•
Computer
If you have a static IP address, make sure your computer’s Internet settings are set to
DHCP
for the initial setup. See
How do I assign static IP address
section in this manual.
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Page 77 / 95
T-Mobile TM-G5240 Wireless Router User Manual
Version 0.7 041807
74
When running the CD Install Wizard I can’t get past the cabling
steps
This means the computer you are running the CD with can not communicate with the
wireless router.
Try the following:
1. Check that your cables are correct based on the images in the CD Wizard and then
see the text in the troubleshooting issue
I can’t connect to the internet
.
2. Re-run the CD, ensure all lights are on for the router before moving past step 9.
I’m prompted for a username and password when opening my
Web browser
It is most likely that your DSL (PPPoE) software installed on your computer is requesting
this information. Since the TM-G5240 will now authenticate and connect you to your DSL
service, you must disable or uninstall any PPPoE software from your computer. PPPoE
software will not work behind your TM-G5240. Please contact your Internet Service
Provider for assistance.
I want to use a broadband modem with a USB connection
The TM-G5240 only works with a modem with an Ethernet connection. Most modems will
offer both USB and Ethernet. Disconnect the USB connection before starting the
installation procedure. If your modem has only a USB connection, contact your Internet
Service Provider for assistance.
The CD will not run when I insert it into the CD-ROM drive
The autorun function of your CD drive may be disabled. To manually launch the Setup
Wizard:
1. On your computer, click
Start > Run
.
2. At the Run box, type
d:/Installation_Wizard.exe
(d is the drive letter for your CD-
ROM drive).
3. Click
OK
to start the Setup Wizard.
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Page 78 / 95
T-Mobile TM-G5240 Wireless Router User Manual
Version 0.7 041807
75
I can’t wirelessly connect to the TM-G5240
•
Verify your wireless settings on your computer. Make sure the SSID and security
settings are the same as the TM-G5240.
•
Change the channel on the TM-G5240 to reduce interference. For best results, use
channels 1, 6, or 11.
•
Keep the TM-G5240 at least three feet away from electrical devices that generate
radio frequency noise (example, cordless phones, microwaves, computer monitors,
electric motors, UPS units).
Place the TM-G5240 in the most central location of the house. Do not place the TM-G5240 in a
closet, cabinet, or in the garage. See
Other Installation Considerations
section in this manual for
further information on the best placement of your TM-G5240.
My wireless connection keeps dropping
•
Try a different antenna orientation for the TM-G5240. Try to keep the antenna at least six
inches away from the wall or other objects.
•
If you are using 2.4GHz cordless phones, X-10 equipment or other home security
systems, ceiling fans, and lights, your wireless connection will degrade dramatically or
drop altogether. Try changing the channel on your TM-G5240 and on all the devices in
your network to avoid interference.
•
Keep your product away (at least 3-6 feet) from electrical devices that generate RF noise,
like microwaves, monitors, electric motors, and so on.
Telephone cable or coaxial cable will not work with TM-G5240
The TM-G5240 does not function as a modem. Dial-up Internet access will not work with
the TM-G5240. You must have a broadband modem supported by your Internet provider.
If you have broadband Internet and a Windows PC, run the CD included with the TM-
G5240.
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Page 79 / 95
T-Mobile TM-G5240 Wireless Router User Manual
Version 0.7 041807
76
I want to modify TM-G5240 settings
To modify settings, you must log on to the TM-G5240:
1. Open your Web browser and type the IP address of the TM-G5240 in the address
bar. The default IP address is
192.168.0.1
. You are prompted for your password.
2. Type your password. Default password is
admin
.
Reset to factory default setting
After you have tried other methods for troubleshooting your network, you may choose to
reset the TM-G5240 to the factory default settings. Perform the following to hard-reset the
TM-G5240 to factory default settings:
1. Ensure the router has power and the status lights are on.
2. Locate the
Reset
button on the back of the TM-G5240.
3. Use a paper clip, press and hold in the
Reset
button.
4. Hold for about 10 seconds, until the status lights flash off, then release.
5. When the status lights are all back on the router is fully reset.
After the TM-G5240 resets (may take a few minutes), it will be reset to the factory
default settings.
Reset button
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Page 80 / 95
T-Mobile TM-G5240 Wireless Router User Manual
Version 0.7 041807
77
How do I find the IP address
Windows 95, 98, and ME
1. On the computer’s taskbar, click
Start > Run.
The
Run Dialogue
box opens.
2. At the
Run Dialogue
box, type
winipcfg
in the window as shown then click
OK
.
The
IP Configuration
dialog box opens displaying your Ethernet Adapter
Information.
3. At the
IP Configuration
dialog box, select your adapter from the drop down menu.
NOTE:
If you do not see your adapter in the drop down menu, your adapter is not
properly installed.
4. After selecting your adapter, it will display your IP Address, subnet mask, and
default gateway.
5. Click
OK
to close the
IP Configuration
dialog box.
6. Check your IP address. Your computer must have an IP address in the same
range of the device you are attempting to configure.
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