Toshiba m4-103 User Guide

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TECRA M4
9-16
Troubleshooting
Memory expansion
Refer also to Chapter 8, 
, for information on installing 
memory modules.
Sound System
Refer also to documentation for your audio devices.
Problem
Procedure
Beep sounds.
(Two beeps, a dash 
and a dot, for a 
defective memory 
module in slot A. 
Three beeps, a dash 
and two dots for slot B.
When both beeps 
sound, both memories 
in slot A and B are 
defective.)
Make sure the memory module installed in the 
memory slot is compatible with the computer.
If an incompatible module has been installed, 
follow the steps below.
1. Turn off the computer.
2. Disconnect the AC adaptor and all peripheral 
devices.
3. Remove the battery pack.
4. Remove the memory module.
5. Install the battery and/or connect the AC 
adaptor.
6. Turn on the power.
If problems persist, contact your dealer.
Problem
Procedure
No sound is heard
Adjust the volume control dial.
Check the software volume settings.
Make sure the headphone connection is secure. 
If problems persist, contact your dealer.
Check Windows Device Manager. Make sure the 
sound function is enabled and that settings for I/
O address, Interrupt level and DMA are correct 
for your software and do not conflict with other 
hardware devices that you may have connected 
to the computer.
Annoying sound
is heard
You may be experiencing feedback. Refer to 
 in Chapter 4, Operating 
Basics.
If problems persist, contact your dealer.