Toshiba Portege R500 User Manual page 151

Problem
If you install a memory
module which is larger
than the maximum
capacity of the
computer, the Power
indicator will flash (on
for 0.5 seconds, off for
0.5 seconds) in the
following way;
If there is an error:
repeatedly flashes
orange three times,
then blue three times.
Sound system
In addition to the information in this section, please also refer to the
documentation supplied with your audio device.
Problem
No sound is heard
Annoying sound is
heard
User's Manual
Procedure
In all instances you should shut down the
computer and install a different memory module
which keeps the total system memory, inclusive
of the main board memory module, within
2,048MB.
If you are still unable to resolve the problem,
contact your reseller, dealer or service provider.
Procedure
Adjust the volume control dial.
Check the software volume settings.
Please check to see if Mute is turned to Off
Check to make sure the headphone connection
is secure.
Check within the Windows Device Manager
application to ensure the sound function is
enabled and that settings for elements such as
I/O port address, interrupt level and DMA
channel are correct for your software, and that
they do not conflict with any other hardware
devices connected to the computer.
For further information on these settings, please
refer to the documentation supplied with your
audio device.
In this instance you may be experiencing
feedback from either the internal microphone or
an external microphone connected to the
computer - please refer to
Chapter 4, Operating Basics for further
information.
If you are still unable to resolve the problem,
contact your reseller, dealer or service provider.
Troubleshooting
Sound System in
8-16