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User’s Manual 9-17
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
If there is a memory
malfunction, the power
LED flashes (on for
0.5 seconds, off for
0.5 seconds) in the
following ways;
If there is only an error
in Slot A: repeatedly
flashes orange twice,
then green.
If there is only an error
in Slot B: repeatedly
flashes orange, then
green twice.
If there is an error in
Slot A and in Slot B:
repeatedly flashes
orange twice, then
green twice
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
Sound system in Chapter 4, Operating Basics.
If problems persist, contact your dealer.