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Problem Description
When the USB
Modem has been
plugged in, computer
cannot find the visual
disc of the USB
Modem.
Message sent failed.
Possible Causes
2．You are in the place
where no GSM/GPRS/
EDGE/WCDMA/HSDPA
network covered , such
as underground parking
lot, tunnel etc.
1. The installation
programs of the USB
Modem haven't been
installed properly.
2. The modem isn't
inserted well.
3. The SIM/USIM card
isn't inserted well, such
as inserted in reverse.
1. The SMS center
number isn't correct.
2. The network is busy
and other reasons.
50
Problem Solving
2. Change to the places
where there is good
signal.
1. Run the installation
program first, then insert
the modem. If you use
the WinXP operating
system, install the
drivers according to the
Windows indication
information to operate.
2. Restart the computer,
or insert the modem
again.
3. Insert the SIM/USIM
card correctly again.
Make sure the metal
contact side should be
inserted inside
1. After consulted with
service provider,
configure the right
number in Message
settings.
2. Try later.
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