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Memory expansion
Refer also to Chapter 8,
memory modules.
Problem
The computer hangs up Make sure the memory module installed in the
Sound system
Refer also to documentation for your audio devices.
Problem
No sound is heard
Monitor
Refer also to Chapter 8,
documentation.
Problem
Monitor does not turn on Make sure that the external monitor's power
No display
User's Manual
Optional
Devices, for information on installing
Procedure
expansion slot is compatible with the computer.
If an incompatible module has been installed,
follow the steps below.
1. Turn off the power.
2. Disconnect the AC adaptor and all peripheral
devices.
3. Remove the battery pack.
4. Remove the memory module.
5. Replace the battery pack and/or connect the
AC adaptor.
6. Turn on the power.
If problems persist, contact your dealer.
Procedure
Check the software volume settings.
Make sure the headphone connection is secure.
If problems persist, contact your dealer.
Optional
Devices, and to your monitor's
Procedure
switch is on. Confirm that the external monitor's
power cable is plugged into a working power
outlet.
Try adjusting the contrast and brightness controls
on the external monitor.
Press hot keys Fn + F5 to change the display
priority and make sure it is not set for the internal
display.
Troubleshooting
9-11
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