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User’s Manual 9-15
L450/L450D
USB device
In addition to the information in this section, please also refer to the
documentation supplied with your USB device.
Additional memory module
Please also refer to Chapter 8, Optional Devices, for further information on
installing and removing memory modules.
Problem Procedure
USB device does not
work
Remove the USB device from the computer and
then reconnect it to a free port in order to ensure
it is firmly attached.
Ensure that any required USB device drivers are
properly installed - to achieve this you should
refer to both the device documentation and the
operating system documentation.
If you are using an operating system that does
not support USB, you are still able to use a USB
mouse and/or USB keyboard by setting the USB
KB/Mouse Emulation option within the
TOSHIBA HW Setup utility to Enabled.
If you are still unable to resolve the problem,
contact your reseller, dealer or service provider.
Problem Procedure
If there is a memory
malfunction, the
Power indicator will
repeatedly flash (on
for 0.5 seconds, off for
0.5 seconds) in the
following patterns:
If there is an error in
only slot A or no
memory module is
inserted in Slot A:
amber twice, then
green once.
If there is an error in
Slot B: amber once,
then green twice.
If there are errors in
both Slot A and Slot B:
amber twice, then
green twice.
In the event of Power indicator flashes when the
computer is turned on you should initially ensure
that the installed memory module(s) are
compatible with the computer. If you determine
that an incompatible module has been installed,
you should follow the steps as detailed below:
1. Turn off the computer.
2. Disconnect the AC adaptor and all peripheral
devices.
3. Remove the battery pack.
4. Remove the incompatible memory module.
5. Install the battery and/or connect the AC
adaptor.
6. Turn on the computer.
If you are still unable to resolve the problem,
contact your reseller, dealer or service provider.