Toshiba manual 165

Troubleshooting

Problem	Procedure
	Check within the Windows Device Manager
	application to ensure the sound device is
	enabled and that the device is properly working.
	For further information, please refer to
	"Troubleshooting in Windows" section of
	Windows Help and Support.
Annoying sound is	In this instance you may be experiencing
heard	feedback from either the internal microphone or
	an external microphone connected to the
	computer - please refer to Sound System in
	Chapter 4, Operating Basics for further
	information.
	Volume cannot be adjusted during Windows start
	up or shut down.
	If you are still unable to resolve the problem,
	contact your reseller, dealer or service provider.

External monitor

Please also refer to Chapter 3, Hardware, Utilities and Options, and to the documentation supplied with your monitor for further information.

Problem	Procedure
Monitor does not turn	After confirming that the monitor's power switch
on	is on, you should check the connections to make
	sure that the power cord/adaptor is firmly
	connected to the monitor and to a working power
	outlet.
No display	Try adjusting the contrast and brightness controls
	on the external monitor.
	Press the FN + F5 hot key in order to change the
	display priority and ensure that it is not set for the
	internal display only.
	Check to see if the external monitor is connected.
	When the external monitor is set as the primary
	display device in extended desktop mode, it will
	not display when the computer wakes up from
	Sleep Mode if the external monitor has been
	disconnected while in Sleep Mode.
	To keep this from happening, do not disconnect
	the external monitor while the computer is in
	Sleep or Hibernation Mode.
	Remember to turn off the computer before
	disconnecting the external monitor.

User’s Manual 8-16