Toshiba A40 Series - Manual (Page 207)

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T
ROUBLESHOOTING
Monitor
Refer also to Chapter 8, Optional Devices , and to your monitor’s documentation.
Problem Procedure
Monitor does not Make sure that the external monitor’s power
turn on 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 + F5 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.
Modem
Refer to Appendix C and D .
Problem Procedure
Communication Make sure the computer’s internal modem
software can’t settings are correct. Refer to Phone and Modem
initialize modem Properties in the Control Panel.
You can hear a dial If the call is going through a PBX machine, make
tone but can’t make sure the communication application’s tone dial
a call detection feature is disabled.
Hardware and system checklist