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Lenovo 28479XU Manuals
Manuals and User Guides for Lenovo 28479XU. We have
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Lenovo 28479XU manual available for free PDF download: Hardware Maintenance Manual
Lenovo 28479XU Hardware Maintenance Manual (177 pages)
Hardware Maintenance Manual
Brand:
Lenovo
| Category:
Laptop
| Size: 14.33 MB
Table of Contents
Table of Contents
3
About this Manual
5
Chapter 1. Safety Information
7
General Safety
7
Electrical Safety
8
Safety Inspection Guide
9
Handling Devices that Are Sensitive to Electrostatic Discharge
9
Grounding Requirements
10
Safety Notices (Multilingual Translations)
10
Laser Compliance Statement (Multilingual Translations)
23
Chapter 2. Important Service Information
29
Strategy for Replacing Frus
29
Strategy for Replacing a Hard Disk Drive
30
Important Notice for Replacing a System Board
30
How to Use Error Message
30
Strategy for Replacing Frus for CTO, CMV, and GAV
30
Product Definition
30
FRU Identification for CTO, CMV, and GAV Products
31
Chapter 3. General Checkout
33
What to Do First
33
Checkout Guide
34
System Supporting the Lenovo Thinkvantage Toolbox Program and the PC-Doctor for DOS Diagnostics Program
34
Fru Tests
38
System Supporting the Lenovo Diagnostics Programs
39
Uefi Diagnostic Program
40
Bootable Diagnostic Programs
40
Power System Checkout
41
Checking the Ac Power Adapter
41
Checking Operational Charging
42
Checking the Battery Pack
42
Checking the Backup Battery
43
Chapter 4. Related Service Information
45
Restoring the Factory Contents by Using Product Recovery Discs
45
Restoring the Factory Contents by Using Recovery Disc Set
45
Passwords
47
Power-On Password
47
Hard-Disk Password
47
Supervisor Password
47
How to Remove the Power-On Password
47
How to Remove the Hard-Disk Password
48
Power Management
49
Screen Blank Mode
49
Sleep (Standby) Mode
49
Hibernation Mode
50
Symptom-To-FRU Index
50
Numeric Error Codes
51
Error Messages
52
No-Beep Symptoms
53
LCD-Related Symptoms
53
Intermittent Problems
54
Undetermined Problems
54
Chapter 5. Status Indicators
57
Chapter 6. Fn Key Combinations
59
Chapter 7. FRU Replacement Notices
63
Screw Notices
63
Retaining Serial Numbers
64
Restoring the Serial Number of the System Unit
64
Retaining the UUID
65
Reading or Writing the ECA Information
65
Chapter 8. Removing and Replacing a FRU
67
1010 Battery Pack
67
1020 Expresscard Blank Bezel and Media Card Blank Bezel
69
1030 Optical Drive or Travel Cover
70
1040 Thermal Cover
71
1050 Hard Disk Drive (HDD) Assembly
72
1060 DIMM
73
1070 Fan Assembly
74
1080 Cpu
77
1090 SIM Slot Cover
78
1100 Wireless WAN Slot Cover and PCI Express Mini Card for Wireless WAN
80
Step Screw (Quantity)
81
Color Torque Black 0.181 Nm (1.85 Kgfcm)
81
1110 Palm Rest Assembly with Cables
82
M2 × 8 MM, Wafer-Head, Nylon-Coated
82
Chapter 8 . Removing and Replacing a FRU
83
1120 PCI Express Mini Card for Wireless LAN
84
1130 Backup Battery
86
1140 Bluetooth Daughter Card (BDC-2)
86
1150 Media Card Reader Slot Board and Media Card Reader Cable Assembly
87
1160 Keyboard
89
1170 Keyboard Bezel
91
1180 LCD Unit
93
1190 Top Shielding Assembly
97
1200 System Board Assembly
99
1210 USB Connector Board and USB Cable Assembly
103
1220 DC-In Cable and Base Cover
105
2010 LCD Front Bezel
109
2020 Speaker Assembly
110
2030 Integrated Camera
111
2040 Antenna Assembly
111
2050 Hinges, LCD Panel, LCD Cable, and LCD Rear Cover Assembly
113
Chapter 9. Locations
117
Front View
117
Rear View
118
Bottom View
119
Chapter 10. Parts List
121
Overall
122
LCD Frus
148
Keyboard
157
Miscellaneous Parts
158
Ac Power Adapters
160
Power Cords
161
Recovery Discs
162
Windows XP Professional (32 Bit) Dvds
162
Windows XP Professional (Shipping Group) Dvds
163
Windows Vista Home Basic (32 Bit) Dvds
163
Windows Vista Home Premium (32 Bit) Dvds
164
Windows Vista Home Premium (64 Bit) Dvds
164
Windows Vista Business (32 Bit) Dvds
165
Windows 7 Starter (32 Bit) Dvds
165
Windows 7 Home Basic (32 Bit) Dvds
166
Windows 7 Home Premium (32 Bit) Dvds
166
Windows 7 Home Premium (64 Bit) Dvds
167
Windows 7 Professional (32 Bit) Dvds
168
Windows 7 Professional (64 Bit) Dvds
169
Common Service Tools
170
Appendix A. Notices
173
Electronic Emission Notices
174
Trademarks
174
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