ThinkPad X20, X21, X22 X24 Hardware Maintenance Manual
First Edition March
Chapter 1. Introduction
Contents
Chapter 2. General descriptions
Chapter 3. ThinkPad X20, X21, X22, X23
Chapter 4. Notices
FRU replacement strategy
Important service information
Before replacing parts
Chapter 1. Introduction
How to read POST error messages
Hard disk drive replacement strategy
How to use 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
10 ThinkPad X20, X21, X22, X23
Safety Notice
Safety Notice
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
v Use new nylon-coated screws when you replace FRUs
v Only certified trained personnel should service the computer
Chapter 2. General descriptions
Read this first
The following are not covered under warranty
Chapter 2. General descriptions
v I9990303 errors can be caused by exposure to strong
magnetic fields
Service Web site
Related service information
Product recovery program
Restoring the Pre-installed Software
To create Service Partition SP
Using Recovery CD
Install preloaded system from CD
“ENTER”
To use the Recovery Repair diskette
Creating a Recovery Repair diskette
Passwords
Page
How to remove the hard-disk password
Power management
v The CPU stops
v The LCD is powered off v The hard disk drive is powered off
To enter standby mode, do any of the following v Press Fn + F4
v If the AC adapter is plugged in
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
Detecting system information with PC-Doctor
Power system checkout
Hardware Info
Utility
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 2000 recovery CDs
Windows 98 recovery CDs
Windows XP Pro recovery CDs
Windows XP Home recovery CDs
Product overview
Specifications
v Specifications v Status indicators v Fn key combinations
This section presents the following product-unique information
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
Screw notices
FRU replacement notices
90 degrees more Cross section
v Plastic to plastic
180 degrees more Cross section
Retaining serial numbers
Restoring the serial number of the system unit
v Torque driver
Identification
Retaining the UUID
Removing and replacing a FRU
1010 Battery pack
Step
1020 DIMM
Screw quantity
Torque
60 ThinkPad X20, X21, X22, X23
1030 Backup battery
v Battery pack v DIMM
Attention Do not drop the hard disk drive or apply
1040 Hard disk drive
62 ThinkPad X20, X21, X22, X23
For X20
1050 Keyboard
64 ThinkPad X20, X21, X22, X23
When installing When installing the keyboard, do as follows
A B C D E
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
v Battery pack v Keyboard assembly
1060 KBD Control Panel Assemble
frame A B C D E
Chapter 3. ThinkPad X20, X21, X22, X23, X24
68 ThinkPad X20, X21, X22, X23
2. Press the KBD Control Panel until its snaps fit
For X22, X23
1070 Mini PCI adapter
For X20
Antenna RF Connector removal
1080 CDC adapter
For X22, X23
08K7159
For X23
1090 BDC adapter
⋅ 6mm, Nylock-coated
1100 Fan assembly
For X20
Chapter 3. ThinkPad X20, X21, X22, X23, X24
For X22
10mm
1110 Wirelesslan assembly for X22 X24
For X20
1120 LCD assembly
ThinkPad
76 ThinkPad X20, X21, X22, X23
ThinkPad
Chapter 3. ThinkPad X20, X21, X22, X23, X24
For X22, X23
Step
78 ThinkPad X20, X21, X22, X23
Screw quantity
Torque
For X20
1130 Case Keyboard deck
80 ThinkPad X20, X21, X22, X23
For X22, X23
Case Keyboard deck up then remove it
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Case Keyboard deck up then remove it
Step
Screw quantity
For X20
1140 Speaker
Chapter 3. ThinkPad X20, X21, X22, X23, X24
When installing Make sure that you fasten the connector firmly
For X22, X23
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
v Battery pack v Keyboard assembly v Wirelesslan assembly
1190 LCD USB cover 1200 Front bezel
v LCD assembly
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Step
92 ThinkPad X20, X21, X22, X23
Screw quantity
Torque
XGA for X20
1210 LCD panel
94 ThinkPad X20, X21, X22, X23
SVGA for X20
Step
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Screw quantity
Torque
96 ThinkPad X20, X21, X22, X23
XGA for X22, X23
Step
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Screw quantity
Torque
Front view for
Locations Front view for X20
System status indicators Power switch
Battery and standby mode status indicators USB port Hard Disk Drive
Front view for X23
100 ThinkPad X20, X21, X22, X23
ThinkPad Button TrackPoint pointing stick TrackPoint Buttons
Rear view for X22, X23
Rear view for X20
PC Card eject button Security keyhole Power jack
Universal serial bus USB connector External-monitor connector
Universal serial bus USB connector Line-in jack LAN connector
Power jack External-monitor connector
Modem connector
PC card slot PC Card eject button IrDA port Security keyhole
Battery Pack Battery Pack latches Docking connector Memory cover
Bottom view
LCD latches
Chapter 3. ThinkPad X20, X21, X22, X23, X24
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
FRU No
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Description
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System
For X20
Chapter 3. ThinkPad X20, X21, X22, X23, X24
1820
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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
For X22, X23
Keyboard
For X20
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Base Cover FRU
Chapter 3. ThinkPad X20, X21, X22, X23, X24
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Recovery CDs for X21 Series
Windows 98 recovery CDs
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Windows 2000 recovery CDs
Windows 2000/Windows NT recovery CDs
Windows Me recovery CDs
Recovery CDs for X22 Series
Windows 98 recovery CDs
Windows 2000 recovery CDs
Chapter 3. ThinkPad X20, X21, X22, X23, X24
Windows XP Pro recovery CDs
Windows XP Home recovery CDs
Windows 2000 recovery CDs
Recovery CDs for X23 Series
Windows XP Pro recovery CDs
128 ThinkPad X20, X21, X22, X23
Windows 2000 recovery CDs
Recovery CDs for X24 Series
Windows XP Home recovery CDs
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Windows XP Pro recovery CDs
For X20
Miscellaneous parts
Windows XP Home recovery CDs
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For X22
For X20
Options FRU list
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For X22, X23
Power code system
Common parts list X20, X21, X22, X23
For 2-pin power cords
For 3-pin power cordsX20
AC adapterX22, X23, X24 IBM power cords for a
For 3-pin power cordsX22, X23
specific country are usually available only in that region
136 ThinkPad X20, X21, X22, X23
Trademarks
Chapter 4. Notices