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IBM ThinkPad X20 X21 X22 X23 X24

Tags : IBMThinkPadX20X21X22X23X24 
IBM ThinkPad X20 X21 X22 X23 X24 Hardware Maintenance Manual

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Description

IBM ThinkPad X20 X21 X22 X23 X24 Hardware Maintenance Manual
First Edition (March 2002) - 141 pages

Contents
Chapter 1. Introduction 1
Importantserviceinformation. 1
FRU replacement strategy 1
Hard disk drive replacement strategy . 2
How to use error messages 2
How to read POST error messages2
Safety notices: multilingual translations3
Safetyinformation12
General safety12
Electricalsafety . 13
Safety inspection guide . 14
Handling electrostatic discharge-sensitive devices 15
Grounding requirements. 16
Laser compliance statement. 17
Laser radiation. 18
Chapter 2. General descriptions . 21
Read this first . 21
Relatedserviceinformation . 24
ServiceWebsite . 24
Product recovery program 24
Using Recovery CD 25
Creating a Recovery Repair diskette . 26
Passwords. 26
Power management 28
Checkout guide 32
Testing the computer34
Detecting system information with PC-Doctor. 35
Power system checkout . 38
Chapter 3. ThinkPad X20, X21, X22, X23, X24 . 39
Product overview 42
Specifications 42
Statusindicators . 45
Fn key combinations 47
Symptom-to-FRU index 48
Numeric error codes 48
Error messages . 50
Beep symptoms . 51
LCD-related symptoms . 52
Intermittentproblems52
Undetermined problems . 53
FRU replacement notices . 54
Screwnotices54
Retaining serial numbers. 55
Removing and replacing a FRU57
1010 Battery pack. 58
1020 DIMM 59
1030 Backup battery 60
1040 Hard disk drive61
1050 Keyboard . 63
1060 KBD Control Panel Assemble . 67
1070 Mini PCI adapter . 69
1080 CDC adapter 70
1090 BDC adapter 71
1100 Fan assembly 72
1110 Wirelesslan assembly for X22, X23, X24 74
1120 LCD assembly 75
1130 Case Keyboard deck 79
1140 Speaker 82
1150 PC Card slot assembly . 84
1160IRDAPort . 85
1170 RJ11, RJ45 . 87
1180 System board 89
1190 LCD USB cover91
1200 Front bezel . 92
1210 LCD panel . 93
Locations 98
Front view for X20, X21 . 98
FrontviewforX22 98
Front view for X23, X24 . 99
Rear view for X20, X21. 101
Rear view for X22, X23, X24 . 101
Bottomview 103
PartsList 104
X20 series model matrix 104
X21 series model matrix 104
X22 series model matrix 105
X23 series model matrix 105
X24 series model matrix 106
LCDFRU. 107
System . 112
Keyboard. 121
Base Cover FRU 122
Recovery CDs for X21 Series. 124
Recovery CDs for X22 Series. 126
Recovery CDs for X23 Series. 128
Recovery CDs for X24 Series. 129
Miscellaneous parts131
OptionsFRUlist. 133
Common parts list (X20, X21, X22, X23, X24) 135
Chapter 4. Notices. 137
Trademarks . 137



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