Lenovo ThinkPad A21e TP A21e, A22e Hardware Maintenance Manual (June 2001) - Page 41

ThinkPad A21e, A22e, i 1800

Get Lenovo ThinkPad A21e PDF manuals and user guides View all Lenovo ThinkPad A21e manuals
Add to My Manuals
Save this manual to your list of manuals

Page 41 highlights

ThinkPad A21e, A22e, i 1800 Product overview 39 Specifications 39 Status indicators 41 FRU Tests 43 Fn key combinations 44 Symptom-to-FRU index 46 Numeric error codes 46 Error messages 49 Beep symptoms 50 No beep symptoms 50 LCD-related symptoms 51 Intermittent problems 52 Undetermined problems 52 FRU replacement notices 53 Screw notices 53 Retaining serial numbers 54 Restoring the serial number of the system unit 54 Retaining the UUID 54 Removing and replacing a FRU 56 1010 Battery pack 57 1020 Backup battery 58 1030 Hard-disk drive 60 1040 DIMM 62 1050 Mini PCI adapter 63 1060 Ultrabay 2000 device 66 1070 Keyboard 67 1080 Keyboard CRU insulator 72 1090 Fan assembly 73 For models excepting MT2655-65x, 66x, 67x, B5x, B6x, B7x 73 For MT2655-65x, 66x, 67x, B5x, B6x, B7x . . 75 1100 CPU 77 1110 PC Card slot assembly 79 1120 Hinge cover 81 1130 Keyboard bezel 83 1140 Speaker 86 For A21e series 86 For A22e and i 1800 series 87 1150 Hard-disk bay 89 1160 LED connector card 91 1170 Ultrabay 2000 slot 93 1180 System board 96 2010 LCD assembly 98 2020 Front bezel 104 12.1-in. LCD (only for A21e series) . . . . 104 13.3-in. and 14.1-in. LCD 105 2030 Inverter card 106 12.1-in. LCD (only for A21e series) . . . . 106 13.3-in. and 14.1-in. LCD 107 2040 LCD panel 108 37

  • 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
ThinkPad A21e, A22e, i 1800
Product overview
.
.
.
.
.
.
.
.
.
.
.
.
39
Specifications
.
.
.
.
.
.
.
.
.
.
.
.
39
Status indicators
.
.
.
.
.
.
.
.
.
.
.
41
FRU Tests
.
.
.
.
.
.
.
.
.
.
.
.
.
43
Fn key combinations
.
.
.
.
.
.
.
.
.
.
44
Symptom-to-FRU index
.
.
.
.
.
.
.
.
.
.
46
Numeric error codes
.
.
.
.
.
.
.
.
.
.
46
Error messages
.
.
.
.
.
.
.
.
.
.
.
49
Beep symptoms
.
.
.
.
.
.
.
.
.
.
.
50
No beep symptoms
.
.
.
.
.
.
.
.
.
.
50
LCD-related symptoms
.
.
.
.
.
.
.
.
.
51
Intermittent problems
.
.
.
.
.
.
.
.
.
.
52
Undetermined problems
.
.
.
.
.
.
.
.
.
52
FRU replacement notices
.
.
.
.
.
.
.
.
.
53
Screw notices
.
.
.
.
.
.
.
.
.
.
.
.
53
Retaining serial numbers
.
.
.
.
.
.
.
.
.
54
Restoring the serial number of the system unit
54
Retaining the UUID
.
.
.
.
.
.
.
.
.
54
Removing and replacing a FRU
.
.
.
.
.
.
.
.
56
1010 Battery pack
.
.
.
.
.
.
.
.
.
.
.
57
1020 Backup battery
.
.
.
.
.
.
.
.
.
.
58
1030 Hard-disk drive
.
.
.
.
.
.
.
.
.
.
60
1040 DIMM
.
.
.
.
.
.
.
.
.
.
.
.
62
1050 Mini PCI adapter
.
.
.
.
.
.
.
.
.
63
1060 Ultrabay 2000 device
.
.
.
.
.
.
.
.
66
1070 Keyboard
.
.
.
.
.
.
.
.
.
.
.
67
1080 Keyboard CRU insulator
.
.
.
.
.
.
.
72
1090 Fan assembly
.
.
.
.
.
.
.
.
.
.
73
For models excepting MT2655-65x, 66x, 67x,
B5x, B6x, B7x
.
.
.
.
.
.
.
.
.
.
73
For MT2655-65x, 66x, 67x, B5x, B6x, B7x
.
. 75
1100 CPU
.
.
.
.
.
.
.
.
.
.
.
.
.
77
1110 PC Card slot assembly
.
.
.
.
.
.
.
79
1120 Hinge cover
.
.
.
.
.
.
.
.
.
.
.
81
1130 Keyboard bezel
.
.
.
.
.
.
.
.
.
.
83
1140 Speaker
.
.
.
.
.
.
.
.
.
.
.
.
86
For A21e series
.
.
.
.
.
.
.
.
.
.
86
For A22e and i 1800 series
.
.
.
.
.
.
.
87
1150 Hard-disk bay
.
.
.
.
.
.
.
.
.
.
89
1160 LED connector card
.
.
.
.
.
.
.
.
91
1170 Ultrabay 2000 slot
.
.
.
.
.
.
.
.
.
93
1180 System board
.
.
.
.
.
.
.
.
.
.
96
2010 LCD assembly
.
.
.
.
.
.
.
.
.
.
98
2020 Front bezel
.
.
.
.
.
.
.
.
.
.
.
104
12.1-in. LCD (only for A21e series)
.
.
.
.
104
13.3-in. and 14.1-in. LCD
.
.
.
.
.
.
.
105
2030 Inverter card
.
.
.
.
.
.
.
.
.
.
106
12.1-in. LCD (only for A21e series)
.
.
.
.
106
13.3-in. and 14.1-in. LCD
.
.
.
.
.
.
.
107
2040 LCD panel
.
.
.
.
.
.
.
.
.
.
.
108
37