Lenovo ThinkPad A22p ThinkPad A2* Series Hardware Maintenance Manual (October - Page 45

ThinkPad A20m/p, A21m/p andA22m/p

Get Lenovo ThinkPad A22p PDF manuals and user guides View all Lenovo ThinkPad A22p manuals
Add to My Manuals
Save this manual to your list of manuals

Page 45 highlights

ThinkPad A20m/p, A21m/p and A22m/p Product overview 41 Specifications 41 Status indicators 44 FRU tests 46 Fn key combinations 48 Symptom-to-FRU index 49 Numeric error codes 49 Error messages 52 Beep symptoms 53 No beep symptoms 53 LCD-related symptoms 54 Intermittent problems 55 Undetermined problems 55 FRU replacement notices 56 Screw notices 56 Retaining serial numbers 57 Restoring the serial number of the system unit 57 Retaining the UUID 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 For A20m/p, A21m/p series 64 For A22m/p series 65 1040 Backup battery 66 1050 Hard-disk drive or RF ID adapter . . . . 67 1060 Ultrabay 2000 device 69 1070 Keyboard 71 1080 Keyboard CRU insulator 74 1090 Hinge cover and clear sheet icon . . . . 75 1100 Keyboard bezel and speaker 76 1110 Microphone and speaker cable . . . . . 78 For A20m/p and A21m/p series (microphone and speaker cable 78 For A22m/p series (speaker cable) . . . . . 79 1120 Sub card 80 1130 PC Card slot assembly 82 1140 Fan assembly 83 1150 Diskette drive 85 1160 Upper shield 87 1170 TV card 88 1180 CPU socket and CPU 89 1190 System board and RJ45/11 connector assembly 91 For A20m/p and A21m/p series 92 For A22m/p series 92 Thermal rubbers location 93 2010 LCD assembly 94 2020 Front bezel 96 © Copyright IBM Corp. 2001 39

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
ThinkPad A20m/p, A21m/p and
A22m/p
Product overview
.
.
.
.
.
.
.
.
.
.
.
.
41
Specifications
.
.
.
.
.
.
.
.
.
.
.
.
41
Status indicators
.
.
.
.
.
.
.
.
.
.
.
44
FRU tests
.
.
.
.
.
.
.
.
.
.
.
.
.
46
Fn key combinations
.
.
.
.
.
.
.
.
.
.
48
Symptom-to-FRU index
.
.
.
.
.
.
.
.
.
.
49
Numeric error codes
.
.
.
.
.
.
.
.
.
.
49
Error messages
.
.
.
.
.
.
.
.
.
.
.
52
Beep symptoms
.
.
.
.
.
.
.
.
.
.
.
53
No beep symptoms
.
.
.
.
.
.
.
.
.
.
53
LCD-related symptoms
.
.
.
.
.
.
.
.
.
54
Intermittent problems
.
.
.
.
.
.
.
.
.
.
55
Undetermined problems
.
.
.
.
.
.
.
.
.
55
FRU replacement notices
.
.
.
.
.
.
.
.
.
56
Screw notices
.
.
.
.
.
.
.
.
.
.
.
.
56
Retaining serial numbers
.
.
.
.
.
.
.
.
.
57
Restoring the serial number of the system unit
57
Retaining the UUID
.
.
.
.
.
.
.
.
.
57
Removing and replacing a FRU
.
.
.
.
.
.
.
.
59
1010 Battery pack
.
.
.
.
.
.
.
.
.
.
.
60
1020 DIMM
.
.
.
.
.
.
.
.
.
.
.
.
61
1030 Mini PCI adapter
.
.
.
.
.
.
.
.
.
63
For A20m/p, A21m/p series
.
.
.
.
.
.
.
64
For A22m/p series
.
.
.
.
.
.
.
.
.
65
1040 Backup battery
.
.
.
.
.
.
.
.
.
.
66
1050 Hard-disk drive or RF ID adapter
.
.
.
.
67
1060 Ultrabay 2000 device
.
.
.
.
.
.
.
.
69
1070 Keyboard
.
.
.
.
.
.
.
.
.
.
.
71
1080 Keyboard CRU insulator
.
.
.
.
.
.
.
74
1090 Hinge cover and clear sheet icon
.
.
.
.
75
1100 Keyboard bezel and speaker
.
.
.
.
.
.
76
1110 Microphone and speaker cable
.
.
.
.
.
78
For A20m/p and A21m/p series (microphone and
speaker cable)
.
.
.
.
.
.
.
.
.
.
78
For A22m/p series (speaker cable)
.
.
.
.
.
79
1120 Sub card
.
.
.
.
.
.
.
.
.
.
.
.
80
1130 PC Card slot assembly
.
.
.
.
.
.
.
82
1140 Fan assembly
.
.
.
.
.
.
.
.
.
.
83
1150 Diskette drive
.
.
.
.
.
.
.
.
.
.
85
1160 Upper shield
.
.
.
.
.
.
.
.
.
.
.
87
1170 TV card
.
.
.
.
.
.
.
.
.
.
.
.
88
1180 CPU socket and CPU
.
.
.
.
.
.
.
.
89
1190 System board and RJ45/11 connector
assembly
.
.
.
.
.
.
.
.
.
.
.
.
91
For A20m/p and A21m/p series
.
.
.
.
.
.
92
For A22m/p series
.
.
.
.
.
.
.
.
.
92
Thermal rubbers location
.
.
.
.
.
.
.
.
.
93
2010 LCD assembly
.
.
.
.
.
.
.
.
.
.
94
2020 Front bezel
.
.
.
.
.
.
.
.
.
.
.
96
© Copyright IBM Corp. 2001
39