User’s Manual 9-10
Troubleshooting
SIM card
Refer also to Chapter 8, Optional Devices.
External Monitor
Refer also to Chapter 8, Optional Devices, and to your monitor’s
documentation.
Problem Procedure
SIM card error occurs Remove the SIM card from the computer, make
sure to confirm that the card oriented correctly
and reinsert it in order to ensure it is firmly
connected.
Check the card’s documentation.
If problems persist, contact your dealer
Problem Procedure
Monitor does not turn on Make sure that the external monitor’s power
switch is on. Confirm that the external monitor’s
power cable is plugged into a working power
outlet.
No display Try adjusting the contrast and brightness controls
on the external monitor.
Press hot keys Fn + F3 to change the display
priority and make sure it is not set for the internal
display.
Display error occurs Check that the cable connecting the external
monitor to the computer is attached firmly.
If problems persist, contact your dealer.
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