Lenovo ThinkPad 380ED TP 380Z User's Reference that was provided with the syst - Page 132

Troubleshooting Charts

Problem

Action

All or some keys on the

keyboard do not work.

If the problem occurred immediately after the computer returned from

suspend mode, enter the power-on password if it is set.

If an external keyboard is connected, the numeric keypad on your computer

cannot work.

This is not a defect.

If an external numeric keypad or a mouse is connected:

1. Power off the computer.

2. Remove the external numeric keypad or the mouse.

3. Power on the computer and try using the keyboard again.

If the keyboard problem is solved, check the connection of the external

numeric keypad, external keyboard, or mouse.

If you still have a problem, have the computer serviced.

The cursor drifts when the

computer is powered on

or after it resumes normal

operation.

The cursor might drift when you are not using the TrackPoint during normal

operation.

This is a normal characteristic of the TrackPoint and is not a defect.

Cursor drifting might occur for several seconds under the following conditions:

When the computer is powered on.

When the computer resumes normal operation.

When the TrackPoint is pressed for a long time.

When the temperature changes.

The cursor does not work

for a while after the

settings in the “TrackPoint

Properties” window have

been changed.

This is a normal characteristic of the cursor.

Wait several seconds until the

cursor returns to the normal state.

The mouse or pointing

device does not work.

Make sure that the mouse or pointing-device cable is securely connected to

the computer.

Try using the TrackPoint.

If the TrackPoint works, the error might be due to

the mouse.

If your mouse is incompatible with the IBM PS/2 mouse, disable the

TrackPoint using the ThinkPad Configuration program.

Note:

See the manual supplied with the mouse for more information.

The mouse buttons don't

work.

Change the mouse driver to

Standard PS/2 Port Mouse

, and then reinstall

PS/2 TrackPoint

.

See “Advanced” in the

Online User's Guide

for how to install

the driver.

A number appears when

you type a letter.

The numeric lock function is on.

To disable it, press and hold

Shift

; then press

NumLk

.

All or some keys on the

external numeric keypad

do not work.

Make sure that the external numeric keypad is correctly connected to the

computer.

116

IBM ThinkPad 380Z User's Reference

Title: C79EPMST CreationDate: 06/22/98 12:00:09

Section	Page
Functional Highlights	4
About This Book	11
Safety Information	13
Laser Compliance Statement	15
Chapter 1. Getting familiar with your computer	17
Identifying the Hardware Features	18
System-Status Indicators	23
Functions of Your Computer	25
Keyboard Functions	25
CD-ROM Drive	32
ThinkPad Utility Programs	35
Online User's Guide	47
Backing Up Your System	48
ThinkPad Customization CD	48
Recovery CD	48
Diskette Factory	48
ConfigSafe	49
ThinkPad Web Site or Bulletin Board	49
Replacing the Battery Pack	50
Chapter 2. Extending the features of your computer	53
Customizing the TrackPoint	54
Increasing Memory	57
Installing the DIMM	58
Removing the DIMM	61
Upgrading the Hard Disk Drive	63
Attaching an External Mouse, Keypad, and Keyboard	68
Attaching an External Mouse or Numeric Keypad	68
Attaching an External Keyboard and Mouse	70
Disabling the TrackPoint	72
Attaching an External Monitor	73
Installing a PC Card	77
Removing the PC Card	80
Installing the PC Card Modem	81
Using a Port Replicator	83
Enabling the CardBus Sockets (for Windows 98)	85
Chapter 3. Protecting your computer	87
Using Passwords	88
Entering a Password	89
Setting a Password	90
Changing or Removing a Password	94
Using the Personalization Editor	100
Entering Your Personal Data	100
Deleting the Personalization Window	103
Using Locks	104
Using the Security Screw	105
Chapter 4. Solving computer problems	107
Frequently Asked Questions	108
Considerations	116
Using Power Management	121
Using a PC Card	121
A USB Connector Consideration	122
A CardWizard Consideration	122
Using a Second CardBus Card	122
Using an External Condenser Microphone	122
Using the NetMeeting Software	123
Troubleshooting Guide	124
Troubleshooting Charts	125
Error Codes or Messages	126
No Error Codes or Messages	131
Input Problems	131
Suspend or Hibernation Problems	133
LCD Problems	135
An Indicator Problem	135
Battery Problems	136
CD-ROM Drive Problems	136
Infrared Communication Problems	137
A Universal Serial Bus (USB) Problem	138
PC Card Problems	139
A Printer Problem	142
External Monitor Problems	142
Port Replicator Problems	144
Other Option Problems	146
Software Problems	147
Other Problems	148
Testing Your Computer	149
Recovering Lost or Damaged Software	151
Using the Diskette Factory	151
Using the ThinkPad Customization CD	151
Using the Recovery CD	153
Chapter 5. Getting Service	155
Information on Your Computer	156
Option List	156
Identification Numbers	156
Problem Recording Sheet	157
Customer Support and Service	158
Help by ThinkPad Web Site	158
Help by Telephone	158
ThinkPad EasyServ	159
Getting Help around the World	159
Fax Information	160
Electronic Support Services	160
Purchasing Additional Services	163
Enhanced PC Support Line	163
Client Support Line	163
Network and Server Support Line	164
Ordering Support Line Services	165
Warranty and Repair Services	166
Obtaining IBM Operating System Updates	167
Getting Update Diskettes	167
Ordering Publications	167
Appendix A. Features and Specifications	169
Features	169
Specifications	171
IBM Power Cords	172
Appendix B. Handling Tips	175
Appendix C. Product Warranty and Notices	179
Notices	181
Year 2000 Readiness and Instructions	181
Trademarks	182
Electronic Emission Notices	183
Glossary	185

Lenovo ThinkPad 380ED TP 380Z User's Reference that was provided with the syst - Page 132

Problem, Action, Standard PS/2 Port Mouse, PS/2 TrackPoint, Shift, NumLk, the mouse.

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