Toshiba PORTEGE R35-C User Manual page 146

Problem
Annoying sound is
heard
External monitor
Also refer to
your monitor for further information.
Problem
Monitor does not
turn on
No display
User's Manual
Procedure
In this instance, you might be experiencing
feedback from either the internal microphone or an
external microphone connected to the computer.
Refer to
information.
Volume cannot be adjusted during Windows start
up or shut down.
If you are still unable to resolve the problem,
contact TOSHIBA Support.
Operating Basics, and to the documentation supplied with
Procedure
After confirming that the monitor's power switch is
on, check the connections to make sure that the
power cord/adaptor is firmly connected to the
monitor and to a working power outlet.
Try adjusting the contrast and brightness controls
on the external monitor.
Press the function 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 does
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.
When the display panel and an external monitor
are set to clone mode and they are turned off by
the timer, the display panel or the external monitor
might not display when turned on again.
If this occurs, press the function key to reset the
display panel and external monitor to clone mode.
Sound System and Video mode for further
6-14