Troubleshooting
158
Troubleshooting
Network not
displayed
SIM card not installed correctly
Ensure that the SIM card is inserted correctly
(see page 34).
Contacts between SIM card and
phone are dirty
Gently clean the contacts of the SIM card and
phone.
Network signal is weak
Move clear of any obstructions that may block
the signal.
SIM card is damaged
Contact your service provider to obtain a
replacement SIM card.
Cannot make a
voice or video call
You are outside of your network
service area
Connect to a different network if this is
supported by your service provider
(see page 138).
A video call can only be made in an
area with UMTS/3G coverage.
Ensure that the icon indicating that you are in
an area with UMTS/3G coverage is displayed.
Phone or SIM card is locked
Unlock the phone or SIM card (see page 130).
Call Barring
is active
Deactivate
Call Barring
(see page 134).
Cannot answer a
voice or video call
A video call can only be received in
an area with UMTS/3G coverage.
Ensure that the icon indicating that you are in
an area with UMTS/3G coverage is displayed.
Call Forwarding
is active
Deactivate
Call Forwarding
(see page 135).
Call Barring
is active
Deactivate
Call Barring
(see page 134).
No ringing for an
incoming call
Phone is set to not ring for incoming
calls
Edit the ringtone settings (see page 133).
Problem
Possible cause
Possible solution
Summary of Contents for PORTEGE G810
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