User's Manual

GlobeTrotter
®
Express 441/2 User Guide
Version: v017ext Page: 21 of 28
10 TROUBLESHOOTING
If you are having trouble getting a reliable connection, please check with your network provider for advice on
network coverage in your area.
Other characteristics such as network cell handover, dead coverage spots, geographic or structural
obstructions, etc., may also affect the performance of the data transmission.
Symptom / possible causes Possible solution(s)
No LED lit. Check the GlobeTrotter
®
Express 441/2 is firmly
plugged into the Expresscard slot and pull out the
antenna.
No SIM inserted. Disconnect the GlobeTrotter
®
Express 441/2. Insert
the SIM and reconnect the GlobeTrotter
®
Express
441/2. (Make sure the SIM clicks in to place.)
SIM card was not present when inserting the
GlobeTrotter
®
Express 441/2.
Disconnect the device, insert the SIM and
reconnect.
The LED stays red. 1. Move the device to a location with better
coverage (e.g. window). Use the signal strength tool
to see the signal strength.
2. The device is set to manual registration and the
network it is assigned to is not detected. In the
application settings Network Selection set the
device to “Automatic” network selection.
The internet connection is slow and the LED keeps
changing color
1. The network is very busy. Try your connection
later.
2. Move the device to a location with better
coverage (e.g. window). Use the signal strength tool
to see the signal strength.
Drivers are not properly loaded. Device shows
yellow exclamation marks in the PC’s Device
Manager window (Windows
®
).
Close communication software that might be
accessing the device. Close all ports before
disconnecting the device from your computer.
Reinsert the device.
LED is showing a constant green or blue but does
not change to a breathing mode after an attempt to
connect to the Internet.
The APN is not correct. Check the settings with the
ones that you’ve obtained from your network
operator.
You are roaming and the network the GlobeTrotter
®
Express 441/2 is registered on does not allow data
links with your home operator.
Manually select another network that supports data
links with your home operator. (Ask your SIM
provider for a list of compatible networks in the
country you are traveling to.)
Your connection software doesn’t detect the device. 1. Possibly due to faulty driver installation. Remove
(Uninstall) previously installed connection software.
Also remove any other drivers for similar devices.
Re-install the software.
2. Disable or remove any other communication
program that might connect with the device.
Your connection is slow. You can only connect to
the Internet at GPRS or EDGE speeds
At your location only EDGE/GPRS is available.
Check the application is set to operate in
“Automatic” or “UMTS preferred” mode.