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Lenovo
019726U
ユーザーズマニュアル
Lenovo 019726U ユーザーズマニュアル
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Contents
About this manual . . . . . . . . . . v
Safety information . . . . . . . . . . 1
General safety .
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Electrical safety
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Safety inspection guide .
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Handling devices that are sensitive to electrostatic
discharge
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Grounding requirements .
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Safety notices (multilingual translations) .
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. 7
Important service information . . . . . 29
Strategy for replacing FRUs .
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Strategy for replacing a hard disk drive .
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. 30
Important notice for replacing a system board .
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How to use error message
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. 31
Strategy for replacing FRUs for CTO, CMV, and
GAV.
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. 32
Product definition .
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. 32
FRU identification for CTO, CMV, and GAV
products .
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. 32
General checkout . . . . . . . . . . 35
What to do first .
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. 36
Checkout guide .
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. 37
Diagnostics using PC-Doctor for DOS
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. 37
Lenovo ThinkVantage Toolbox (Lenovo System
Toolbox)
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. 40
PC-Doctor for Rescue and Recovery .
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. 40
FRU tests .
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. 41
Power system checkout .
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. 43
Checking the AC adapter .
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Checking operational charging .
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. 44
Checking the battery pack
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. 44
Checking the backup battery
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. 45
Related service information . . . . . . 47
Restoring the factory contents by using Recovery
Disc Set
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. 47
Passwords .
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. 48
Power-on password
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. 49
Hard-disk password
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. 49
Supervisor password .
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. 49
How to remove the power-on password .
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. 49
How to remove the hard-disk password .
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. 50
Power management
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Screen blank mode .
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Sleep mode
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Hibernation mode .
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. 52
Symptom-to-FRU index .
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. 53
Numeric error codes .
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Error messages .
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No-beep symptoms .
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. 56
LCD-related symptoms
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. 57
Intermittent problems .
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. 58
Undetermined problems .
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. 58
Status indicators . . . . . . . . . . 59
Special keys . . . . . . . . . . . . 61
FRU replacement notices . . . . . . . 63
Screw notices .
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. 63
Retaining serial numbers .
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Restoring the serial number of the system unit
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Retaining the UUID
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. 64
Reading or writing the ECA information
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. 65
Removing and replacing a FRU . . . . 67
1010 Battery pack .
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. 68
1020 Bottom slot cover.
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1030 DIMM .
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1040 Hard disk drive (HDD).
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1050 PCI Express Mini Card for wireless LAN .
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1060 PCI Express Mini Card for wireless WAN
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1070 Keyboard .
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1080 Top case assembly and microphone module .
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1090 Backup battery
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. 86
1100
Bluetooth
daughter card (BDC-2) .
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. 87
1110 Speaker assembly.
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. 88
1120 System board and fan assembly .
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1130 I/O card assembly, audio cable, and I/O cable
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1140 LCD unit .
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1150 Base cover assembly and DC-in cable
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2010 LCD bezel assembly .
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2020 Integrated camera .
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2030 LCD panel and LCD cable .
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2070 Hinge kit .
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2050 Wireless LAN antenna assembly, wireless
WAN antenna assembly, and LCD rear cover
assembly .
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. 112
Locations . . . . . . . . . . . . . 115
Front view .
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. 115
Bottom view.
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. 116
Parts list . . . . . . . . . . . . . 117
Overall
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. 118
LCD FRUs .
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. 126
Keyboard.
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. 129
AC adapters.
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. 130
Miscellaneous parts .
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. 130
Power cords .
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. 131
Recovery discs .
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. 132
Windows 7 Home Basic (32 bit) DVDs .
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. 132
Windows 7 Home Premium (32 bit) DVDs
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. 132
Windows 7 Home Premium (64 bit) DVDs
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. 133
Windows 7 Professional (32 bit) DVDs .
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. 134
© Copyright Lenovo 2009
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