EXFO FTB-500 - Manual (Page 305)

Troubleshooting
FTB-500 297
Solving Common Problems
...continued) The 3G USB
modem key is connected,
but you are not able to
access the Internet.
A problem occurred during
the installation of the
AirCard Watcher
application.

From ToolBox, select the
System Settings tab,
then tap Control Panel.

Tap Hardware and
Sound > Device
Manager.

If the 3G USB modem
key appears as an
“Unknown Device”,
remove the Sierra
AirCard Watcher
application (Control
Panel > Programs >
Uninstall a program),
and then restart your
unit.

Return to the Device
Manager.

Select the USB modem
key form the list of
devices.

From the Action menu,
select Update Driver
Software and let
Windows search for the
driver.
Once the installation is
complete, the USB modem
key should be working
properly.
Problem Possible Cause Solution