ThinkPad X20, X21, X22 X24 Hardware Maintenance Manual
First Edition March
Chapter 3. ThinkPad X20, X21, X22, X23
Contents
Chapter 1. Introduction
Chapter 2. General descriptions
Chapter 4. Notices
Chapter 1. Introduction
Important service information
FRU replacement strategy
Before replacing parts
Hard disk drive replacement strategy
How to use error messages
How to read POST error messages
Safety Notice
Safety notices multilingual translations
4 ThinkPad X20, X21, X22, X23
Safety Notice
Safety Notice
Las baterías contienen pequeñas cantidades de
Safety Notice
Safety Notice
8 ThinkPad X20, X21, X22, X23
Safety Notice
Safety Notice
Safety Notice
Safety Notice
10 ThinkPad X20, X21, X22, X23
Safety Notice
General safety
Safety information
Electrical safety
Safety inspection guide
Handling electrostatic discharge-sensitive devices
Grounding requirements
Laser compliance statement
18 ThinkPad X20, X21, X22, X23
Laser radiation
Chapter 1. Introduction
DANGER
Read this first
v Only certified trained personnel should service the computer
v Use new nylon-coated screws when you replace FRUs
Chapter 2. General descriptions
The following are not covered under warranty
v I9990303 errors can be caused by exposure to strong
magnetic fields
Chapter 2. General descriptions
Restoring the Pre-installed Software
Related service information
Service Web site
Product recovery program
“ENTER”
Using Recovery CD
To create Service Partition SP
Install preloaded system from CD
Creating a Recovery Repair diskette
Passwords
To use the Recovery Repair diskette
Page
How to remove the hard-disk password
Power management
v If the AC adapter is plugged in
v The LCD is powered off v The hard disk drive is powered off
v The CPU stops
To enter standby mode, do any of the following v Press Fn + F4
Power switch mode Hibernation
Hibernation mode Note for Windows NT
Chapter 2. General descriptions
Checkout guide
Testing the computer
Diagnostics
4. Run the applicable function test
Utility
Power system checkout
Detecting system information with PC-Doctor
Hardware Info
v ″Checking the AC adapter″ v ″Checking operational charging″
Checking the backup battery Do the following
2. Turn the computer upside down
Chapter 3. ThinkPad X20, X21, X22, X23
For X22, X23
Windows XP Home recovery CDs
Windows 98 recovery CDs
Windows 2000 recovery CDs
Windows XP Pro recovery CDs
This section presents the following product-unique information
Specifications
Product overview
v Specifications v Status indicators v Fn key combinations
Chapter 3. ThinkPad X20, X21, X22, X23, X24
44 ThinkPad X20, X21, X22, X23
Status indicators
Applicable test
46 ThinkPad X20, X21, X22, X23
Fn key combinations
Numeric error codes
Symptom-to-FRU index
Chapter 3. ThinkPad X20, X21, X22, X23, X24
50 ThinkPad X20, X21, X22, X23
Error messages
No beep symptoms
Beep symptoms
Intermittent problems
LCD-related symptoms
Undetermined problems
v Plastic to plastic
FRU replacement notices
Screw notices
90 degrees more Cross section
v Torque driver
Retaining serial numbers
180 degrees more Cross section
Restoring the serial number of the system unit
Identification
Retaining the UUID
Removing and replacing a FRU
1010 Battery pack
Torque
1020 DIMM
Step
Screw quantity
1030 Backup battery
v Battery pack v DIMM
60 ThinkPad X20, X21, X22, X23
Attention Do not drop the hard disk drive or apply
1040 Hard disk drive
62 ThinkPad X20, X21, X22, X23
For X20
1050 Keyboard
When installing When installing the keyboard, do as follows
A B C D E
64 ThinkPad X20, X21, X22, X23
Chapter 3. ThinkPad X20, X21, X22, X23, X24
For X22, X23
66 ThinkPad X20, X21, X22, X23
When installing When installing the keyboard, do as follows
Chapter 3. ThinkPad X20, X21, X22, X23, X24
1060 KBD Control Panel Assemble
v Battery pack v Keyboard assembly
frame A B C D E
68 ThinkPad X20, X21, X22, X23
2. Press the KBD Control Panel until its snaps fit
1070 Mini PCI adapter
For X20
For X22, X23
08K7159
1080 CDC adapter
Antenna RF Connector removal
For X22, X23
For X23
1090 BDC adapter
1100 Fan assembly
For X20
⋅ 6mm, Nylock-coated
Chapter 3. ThinkPad X20, X21, X22, X23, X24
For X22
10mm
1110 Wirelesslan assembly for X22 X24
For X20
1120 LCD assembly
76 ThinkPad X20, X21, X22, X23
ThinkPad
ThinkPad
Chapter 3. ThinkPad X20, X21, X22, X23, X24
For X22, X23
Torque
78 ThinkPad X20, X21, X22, X23
Step
Screw quantity
For X20
1130 Case Keyboard deck
For X22, X23
Case Keyboard deck up then remove it
80 ThinkPad X20, X21, X22, X23
Screw quantity
Case Keyboard deck up then remove it
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Step
For X20
1140 Speaker
When installing Make sure that you fasten the connector firmly
For X22, X23
Chapter 3. ThinkPad X20, X21, X22, X23, X24
For X20
1150 PC Card slot assembly
For X22, X23
1160 IRDA Port
86 ThinkPad X20, X21, X22, X23
For X22, X23
For X20
1170 RJ11, RJ45
88 ThinkPad X20, X21, X22, X23
For X22, X23
For X20
1180 System board
90 ThinkPad X20, X21, X22, X23
For X22
Chapter 3. ThinkPad X20, X21, X22, X23, X24
1190 LCD USB cover 1200 Front bezel
v Battery pack v Keyboard assembly v Wirelesslan assembly
v LCD assembly
Torque
92 ThinkPad X20, X21, X22, X23
Step
Screw quantity
XGA for X20
1210 LCD panel
94 ThinkPad X20, X21, X22, X23
SVGA for X20
Torque
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Step
Screw quantity
96 ThinkPad X20, X21, X22, X23
XGA for X22, X23
Torque
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Step
Screw quantity
Battery and standby mode status indicators USB port Hard Disk Drive
Locations Front view for X20
Front view for
System status indicators Power switch
Front view for X23
100 ThinkPad X20, X21, X22, X23
ThinkPad Button TrackPoint pointing stick TrackPoint Buttons
Universal serial bus USB connector External-monitor connector
Rear view for X20
Rear view for X22, X23
PC Card eject button Security keyhole Power jack
PC card slot PC Card eject button IrDA port Security keyhole
Power jack External-monitor connector
Universal serial bus USB connector Line-in jack LAN connector
Modem connector
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Bottom view
Battery Pack Battery Pack latches Docking connector Memory cover
LCD latches
X21 series model matrix
Parts List X20 series model matrix
X23 series model matrix
X22 series model matrix
106 ThinkPad X20, X21, X22, X23
X24 series model matrix
12.1-inch XGA TFT X20
LCD FRU
108 ThinkPad X20, X21, X22, X23
12.1-inch SVGA TFT
Chapter 3. ThinkPad X20, X21, X22, X23, X24
110 ThinkPad X20, X21, X22, X23
12.1-inch XGA TFT X22, X23
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Description
FRU No
System
For X20
112 ThinkPad X20, X21, X22, X23
Chapter 3. ThinkPad X20, X21, X22, X23, X24
1820
114 ThinkPad X20, X21, X22, X23
Chapter 3. ThinkPad X20, X21, X22, X23, X24
116 ThinkPad X20, X21, X22, X23
Chapter 3. ThinkPad X20, X21, X22, X23, X24
1820
118 ThinkPad X20, X21, X22, X23
Chapter 3. ThinkPad X20, X21, X22, X23, X24
1820
120 ThinkPad X20, X21, X22, X23
Keyboard
For X20
For X22, X23
122 ThinkPad X20, X21, X22, X23
Base Cover FRU
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Recovery CDs for X21 Series
Windows 98 recovery CDs
124 ThinkPad X20, X21, X22, X23
Windows 2000 recovery CDs
Windows 2000/Windows NT recovery CDs
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Windows 2000 recovery CDs
Recovery CDs for X22 Series
Windows Me recovery CDs
Windows 98 recovery CDs
Windows XP Pro recovery CDs
Windows XP Home recovery CDs
Chapter 3. ThinkPad X20, X21, X22, X23, X24
128 ThinkPad X20, X21, X22, X23
Recovery CDs for X23 Series
Windows 2000 recovery CDs
Windows XP Pro recovery CDs
Recovery CDs for X24 Series
Windows XP Home recovery CDs
Windows 2000 recovery CDs
130 ThinkPad X20, X21, X22, X23
Windows XP Pro recovery CDs
Miscellaneous parts
Windows XP Home recovery CDs
For X20
132 ThinkPad X20, X21, X22, X23
For X22
For X20
Options FRU list
134 ThinkPad X20, X21, X22, X23
For X22, X23
For 3-pin power cordsX20
Common parts list X20, X21, X22, X23
Power code system
For 2-pin power cords
136 ThinkPad X20, X21, X22, X23
For 3-pin power cordsX22, X23
AC adapterX22, X23, X24 IBM power cords for a
specific country are usually available only in that region
Trademarks
Chapter 4. Notices