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ThinkPad A21E MT 2628
IBM ThinkPad A21E MT 2628 Manuals
Manuals and User Guides for IBM ThinkPad A21E MT 2628. We have
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IBM ThinkPad A21E MT 2628 manual available for free PDF download: Hardware Maintenance Manual
IBM ThinkPad A21E MT 2628 Hardware Maintenance Manual (106 pages)
Hardware Maintenance Manual
Brand:
IBM
| Category:
Laptop
| Size: 1 MB
Table of Contents
Table of Contents
3
Introduction
5
Important Service Information
5
Strategy for Replacing Frus
5
How to Use Error Messages
6
Diskette Compatibility Matrix
6
Safety Notices: Multilingual Translations
7
Safety Information
16
General Safety
16
Electrical Safety
17
Safety Inspection Guide
18
Handling Electrostatic Discharge-Sensitive Devices
19
Grounding Requirements
20
Laser Compliance Statement
20
General Descriptions
23
Read this First
23
What to Do First
23
Related Service Information
25
Service Web Site
25
Using Recovery CD
25
Passwords
26
How to Remove the Power-On Password
27
How to Remove the Hard-Disk Password
27
Power Management
28
Hibernation Mode
29
Checkout Guide
31
Testing the Computer
31
Detecting System Information with PC-Doctor
33
Power System Checkout
33
Checking the Ac Adapter
34
Checking Operational Charging
34
Checking the Battery Pack
35
Checking the Backup Battery
36
Thinkpad A21E
37
Product Overview
39
Specifications
39
Status Indicators
40
Thinkpad A21E
41
FRU Tests
42
Fn Key Combinations
44
Numeric Error Codes
45
Symptom-To-FRU Index
45
Error Messages
48
Beep Symptoms
49
No Beep Symptoms
49
LCD-Related Symptoms
50
Intermittent Problems
50
Undetermined Problems
51
FRU Replacement Notices
51
Screw Notices
51
Retaining Serial Numbers
52
Restoring the Serial Number of the System Unit
53
Retaining the UUID
53
Removing and Replacing a FRU
54
1010 Battery Pack
55
1020 DIMM
56
1030 Mini PCI Adapter
57
1040 Backup Battery
59
1050 Hard-Disk Drive
60
1060 Ultrabay 2000 Device
62
1070 Keyboard
64
1080 Keyboard CRU Insulator
67
1090 Hinge Cover
68
1100 Keyboard Bezel and Speaker
69
1110 Speaker Cable
71
1120 Sub Card
72
1130 PC Card Slot Assembly
74
1140 Fan Assembly
75
1150 Diskette Drive
77
1160 Upper Shield
78
1170 System Board
79
2010 LCD Assembly
81
2020 Front Bezel
83
2030 Inverter Card
85
12.1-In. Panel
85
14.1-In. and 15.0-In. Panels
86
2040 LCD Panel
87
12.1-In. Panel
87
14.1-In. and 15.0-In. Panels
89
Locations
91
Front View
91
Rear View
92
Bottom View
93
Parts List
94
Lcd Fru
97
12.1-In. SVGA TFT
97
14.1-In. XGA TFT
97
In. XGA TFT (LG)
98
Keyboard
99
Miscellaneous Parts
100
Optional Frus
102
Common Parts List
103
Tools
103
Power Cords (System)
103
Notices
104
Trademarks
104
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