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Contents
About this manual ..........v
Safety information ..........1
General safety ..............2
Electrical safety .............3
Safety inspection guide ...........5
Handling devices that are sensitive to electrostatic
discharge ...............6
Grounding requirements ..........6
Safety notices (multilingual translations) .....7
Laser compliance statement (multilingual
translations) ..............28
Important service information .....39
Strategy for replacing FRUs .........39
Strategy for replacing a hard disk drive ....40
Important notice for replacing a system board . . 40
How to use error message ........40
Strategy for replacing FRUs for CTO, CMV, and
GAV.................41
Product definition ...........41
FRU identification for CTO, CMV, and GAV
products ..............41
General checkout ..........43
What to do first .............44
Checkout guide .............45
Diagnostics using PC-Doctor for DOS ....45
Lenovo ThinkVantage Toolbox (Lenovo System
Toolbox) ..............48
PC-Doctor for Windows .........48
PC-Doctor for Rescue and Recovery .....49
FRU tests ..............50
Power system checkout ..........52
Checking the AC adapter .........52
Checking operational charging .......53
Checking the battery pack ........53
Checking the backup battery .......54
Related service information......55
Restoring the factory contents by using Product
Recovery discs .............55
Restoring the factory contents by using Recovery
Disc Set ...............56
Passwords...............57
Power-on password ..........57
Hard-disk password ..........57
Supervisor password ..........58
How to remove the power-on password ....58
How to remove the hard-disk password ....59
Power management ...........60
Screen blank mode ...........60
Sleep (Standby) mode ..........60
Hibernation mode ...........61
Symptom-to-FRU index ..........62
Numeric error codes ..........62
Error messages ............66
Beep symptoms ............67
No-beep symptoms...........67
LCD-related symptoms .........68
Intermittent problems ..........69
Undetermined problems .........69
Status indicators ..........71
Fn key combinations ........75
FRU replacement notices.......79
Screw notices ..............79
Retaining serial numbers ..........80
Restoring the serial number of the system unit 80
Retaining the UUID ..........80
Reading or writing the ECA information . . . 81
Removing and replacing a FRU ....83
1010 Battery pack ............84
1020 Serial Ultrabay Slim device or Serial Ultrabay
Enhanced device ............85
1030 Hard disk drive (HDD) cover, HDD, and HDD
rubber rails or solid state drive (SSD) and storage
converter ...............86
1040 Palm rest or palm rest with fingerprint reader 88
1050 DIMM ..............91
1060 Backup battery ...........92
1070 Keyboard .............93
1080 Modem daughter card (MDC-3.0) .....95
1090 PCI Express Mini Card for wireless
LAN/WiMAX .............97
1100 PCI Express Mini Card for wireless WAN . . 100
1110 Intel Turbo Memory Minicard or Wireless USB
PCI Express Half-Mini Card ........102
1120 SIM card slot ............104
1130 Keyboard bezel ...........106
1140 Speaker assembly ..........108
1150 Fan assembly............110
1160CPU...............115
1170 LCD assembly ...........116
1180 Base cover, USB sub card with cable, and PC
Card/ExpressCard slots (or ExpressCard/Smart
Card slots or ExpressCard/7-in-1 Media Card
Reader slots) bezel assembly ........119
1190 Structure frame ...........125
1200 System board and PC Card/Express Card
slots (or ExpressCard/Smart Card slots or
ExpressCard/7-in-1 Media Card Reader slots)
assembly ...............129
2010 LCD front bezel ...........133
2020 LCD rear cover ...........135
2030 Inverter card or LED sub card ......136
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