19
Problem
Description
Possible
Causes
Problem
Solving
After restarting
the computer,
there is no
signal indicated.
1. You are in the place
where there is no
2G/3G/4G network
coverage. Such places
include underground
parking garages, tunnels,
and some remote rural
areas.
1. Change location to
find a good where
having signal.
2. The device is not
properly connected.
2. Close the device
safely as usual, pull out
the device and reinsert
the device again.
3. The SIM/USIM card isn't
inserted properly.
3. Remove and reinsert
the (U) SIM card
correctly.
4. The MODEM device is
positioned in such a way as
that adversely affects the
devices signal reception.
4. Adjust the
angle/position of the
MODEM device or its
proximity to other
electronic devices.
