Lenovo ThinkPad A21m Hardware Maintenance Manual for ThinkPad A21e (2628) - Page 37
ThinkPad A21e, Retaining the UUID
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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 LCD FRU 93 33