L450/L450D

USB device

In addition to the information in this section, please also refer to the documentation supplied with your USB device.

Problem

Procedure

USB device does notRemove the USB device from the computer and
workthen 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.

 

 

Additional memory module

Please also refer to Chapter 8, Optional Devices, for further information on installing and removing memory modules.

Problem

If there is a memory malfunction, the Power indicator will repeatedly flash (on for 0.5 seconds, off for

0.5seconds) 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.

Procedure

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.

User’s Manual

9-15