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9-18 User’s Manual
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.
External devices
connected to the
compatible ports do not
work when connected
to a compatible port.
Some external devices may not work when
connected to a compatible port when the “USB
Sleep and Charge function” is [Enabled] in the
HW Setup.
Reconnect the external device after turning ON
the computer.
If the external device still doest not work, connect
device to an USB port that does not have the
USB Sleep and Charge function-compatible icon
( ) or change the “USB Sleep and Charge
function” setting to [Disabled] in the HW Setup.
The “USB WakeUp
function” does not work.
When “USB Sleep and Charge function” is set to
[Enabled] in the HW Setup, the “USB WakeUp
function” does not work for ports that support the
USB Sleep and Charge function.
In that case, use an USB port that does not have
the USB Sleep and Charge function-compatible
icon ( ) or change the “USB Sleep and Charge
function” setting to [Disabled] in the HW Setup.
Problem Procedure
Problem Procedure
The computer hangs up Make sure the memory module installed in the
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.