Panasonic U500D user manual Sound system, External Monitor, Modem

Troubleshooting

Sound system

Refer also to documentation for your audio devices.

Problem	Procedure
No sound is heard	Check the software volume settings.
	Make sure the headphone connection is secure.
	If problems persist, contact your dealer.

External 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
	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.
		You can also use the ATX command.

You place a call, but a connection can’t be made

Make sure the settings are correct in your communications application.

After making a call	Make sure the tone or pulse selection in your
you can’t hear a ring	communications application is set correctly.
	You can also use the ATD command.

User’s Manual 9-17