Toshiba Tecra M4 - Manual (Page 194)

TECRA M4 9-16
Troubleshooting
Memory expansion
Refer also to Chapter 8, Optional Devices , 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
Using the microphone in Chapter 4, Operating
Basics.
If problems persist, contact your dealer.