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ThinkPad A21e
Product overview ............35
Specifications ............35
Status indicators ...........36
FRU Tests .............38
Fn key combinations ..........40
Symptom-to-FRU index ..........41
Numeric error codes ..........41
Error messages ...........44
Beep symptoms ...........45
No beep symptoms ..........45
LCD-related symptoms .........46
Intermittent problems ..........46
Undetermined problems .........47
FRU replacement notices .........47
Screw notices ............47
Retaining serial numbers.........48
Restoring the serial number of the system unit 49
Retaining the UUID .........49
Removing and replacing a FRU........50
1010 Battery pack...........51
1020 DIMM ............52
1030 Mini PCI adapter .........53
1040 Backup battery ..........55
1050 Hard-disk drive ..........56
1060 Ultrabay 2000 device ........58
1070 Keyboard ...........60
1080 Keyboard CRU insulator .......63
1090 Hinge cover ...........64
1100 Keyboard bezel and speaker ......65
1110 Speaker cable ..........67
1120 Sub card............68
1130 PC Card slot assembly .......70
1140 Fan assembly ..........71
1150 Diskette drive ..........73
1160 Upper shield...........74
1170 System board ..........75
2010 LCD assembly ..........77
2020 Front bezel ...........79
2030 Inverter card ..........81
12.1-in. panel ...........81
14.1-in. and 15.0-in. panels .......82
2040 LCD panel ...........83
12.1-in. panel ...........83
14.1-in. and 15.0-in. panels .......85
Locations ..............87
Front view .............87
Rear view .............88
Bottom view ............89
Parts list ..............90
LCDFRU.............93
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