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Laptop
Lenovo
019726U
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148 pages, 4.69 Mb
Safety information
21
Contents
Main
Page
Page
Page
Contents
About this manual ..........v Safety information ..........1
Important service information.....29
General checkout ..........35
Related service information......47
Page
About this manual
Page
Safety information
General safety
2
Electrical safety
4
Safety inspection guide
Handling devices that are sensitive to electrostatic discharge
Grounding requirements
6
Safety notices (multilingual translations)
8
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14
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16
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24
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Important service information
Strategy for replacing FRUs
Strategy for replacing a hard disk drive
30
Important notice for replacing a system board
How to use error message
Strategy for replacing FRUs for CTO, CMV, and GAV Product definition
Dynamic Configure To Order (CTO)
32
Custom Model Variant (CMV)
General Announce Variant (GAV)
Using eSupport
Using the HMM
Page
General checkout
What to do first
36
Checkout guide
Diagnostics using PC-Doctor for DOS
Testing the computer
38
Detecting system information with PC-Doctor
Lenovo ThinkVantage Toolbox (Lenovo System Toolbox)
PC-Doctor for Rescue and Recovery
40
FRU tests
The following table shows the test for each FRU.
Page
Power system checkout
Checking the AC adapter
Checking operational charging
Checking the battery pack
44
Checking the backup battery
Page
Related service information
Restoring the factory contents by using Recovery Disc Set
Passwords
48
Power-on password
Hard-disk password
Supervisor password
How to remove the power-on password
How to remove the hard-disk password
50
Page
Power management
Screen blank mode
52
Sleep mode
Hibernation mode
Symptom-to-FRU index
Numeric error codes
54
Page
Error messages
No-beep symptoms
56
LCD-related symptoms
Intermittent problems
Undetermined problems
58
Status indicators
This chapter presents the system status indicators that show the status of the computer.
60
Special keys
62
FRU replacement notices
Screw notices
Retaining serial numbers
Restoring the serial number of the system unit
64
Retaining the UUID
Reading or writing the ECA information
Page
Removing and replacing a FRU
1010 Battery pack
68
Page
1020 Bottom slot cover
70
Page
1030 DIMM
72
1040 Hard disk drive (HDD)
Page
1050 PCI Express Mini Card for wireless LAN
Page
1060 PCI Express Mini Card for wireless WAN
Page
1070 Keyboard
Table14. Removal steps of keyboard (continued)
80
Page
1080 Top case assembly and microphone module
82
Page
Page
Table16. Removal steps of top case assembly and microphone module (continued)
1090 Backup battery
86
1100 Bluetooth daughter card (BDC-2)
1110 Speaker assembly
88
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1120 System board and fan assembly
90
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92
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1130 I/O card assembly, audio cable, and I/O cable
98
Page
1140 LCD unit
100
Page
1150 Base cover assembly and DC-in cable
102
Page
104
2010 LCD bezel assembly
2020 Integrated camera
106
2030 LCD panel and LCD cable
Table26. Removal steps of LCD panel and LCD cable (continued)
108
Page
2070 Hinge kit
110
Page
2050 Wireless LAN antenna assembly, wireless WAN antenna assembly, and LCD rear cover assembly
112
Page
Page
Locations
Front view
Bottom view
116
Parts list
Overall
118
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120
Page
122
Page
124
Page
LCD FRUs
126
Page
128
Keyboard
AC adapters
Miscellaneous parts
130
Power cords
Recovery discs Windows 7 Home Basic (32 bit) DVDs
Windows 7 Home Premium (32 bit) DVDs
132
Windows 7 Home Premium (64 bit) DVDs
Windows 7 Professional (32 bit) DVDs
134
Windows 7 Professional (64 bit) DVDs
Common service tools
136
Notices
Trademarks
138
