Lenovo 28479WU Manuals

Manuals and User Guides for Lenovo 28479WU. We have 1 Lenovo 28479WU manual available for free PDF download: Hardware Maintenance Manual

Lenovo 28479WU Hardware Maintenance Manual

Lenovo 28479WU Hardware Maintenance Manual (158 pages)

Hardware Maintenance Manual

Brand: Lenovo | Category: Laptop | Size: 13.78 MB

Table of Contents

Table of Contents
3
About this Manual

5
Chapter 1. Safety Information

7
Chapter 2. Important Service Information

29
- Strategy for Replacing Frus
  29
- Strategy for Replacing Frus for CTO, CMV, and GAV
  30
  - Product Definition
    30
  - FRU Identification for CTO, CMV, and GAV Products
    30
Chapter 3. General Checkout

33
- What to Do First
  33
- Checkout Guide
  34
- Power System Checkout
  41
Chapter 4. Related Service Information

45
- Restoring the Factory Contents by Using the Product Recovery Disc Set
  45
- Passwords
  46
  - Power-On Password
    46
  - Hard-Disk Password
    46
  - Supervisor Password
    46
  - How to Remove the Power-On Password
    46
  - How to Remove the Hard-Disk Password
    47
- Power Management
  48
  - Screen Blank Mode
    48
  - Sleep Mode
    48
  - Hibernation Mode
    48
- Symptom-To-FRU Index
  48
  - Numeric Error Codes
    49
  - Error Messages
    51
  - No-Beep Symptoms
    51
  - LCD-Related Symptoms
    51
  - Intermittent Problems
    52
  - Undetermined Problems
    52
Chapter 5. Status Indicators

55
Chapter 6. Special Keys and Fn Key Combination

57
Chapter 7. FRU Replacement Notices

59
- Screw Notices
  59
- Retaining Serial Numbers
  60
Chapter 8. Removing or Replacing a FRU

63
- 1010 Battery Pack
  64
- 1020 Optical Drive or Travel Cover
  64
- 1030 Thermal Cover
  65
- 1040 Hard Disk Drive Assembly
  66
- 1050 Memory Module
  67
- 1060 Fan Assembly
  68
- 1070 Microprocessor
  71
- 1080 Wireless WAN Slot Cover and PCI Express Mini Card for Wireless WAN
  72
- 1090 Palm Rest Assembly with Cables
  75
- 1100 PCI Express Mini Card for Wireless LAN
  78
- 1110 Backup Battery
  80
- 1120 Bluetooth Daughter Card
  80
- 1130 Keyboard
  81
- 1140 Keyboard Bezel
  83
- 1150 LCD Unit
  85
- 1160 Top Shielding Assembly
  88
- 1170 System Board Assembly
  90
- 1180 USB Connector Board and USB Cable Assembly
  94
- 1190 DC-In Cable and Base Cover
  96
- 2010 LCD Front Bezel
  100
- 2020 Speaker Assembly
  101
- 2030 Integrated Camera
  102
- 2040 Hinges, LCD Panel, LCD Cable, and LCD Rear Cover Assembly
  102
- 2050 Antenna Assembly
  105
Chapter 9. Locations

107
- Front View
  107
- Rear View
  108
- Bottom View
  109
Chapter 10. Parts List

111
- Overall
  112
- LCD Frus
  129
- Keyboard
  144
- Miscellaneous Parts
  146
- AC Adapters
  146
- Power Cords
  147
- Recovery Discs
  148
- Common Service Tools
  153
Appendix A. Notices

155
- Trademarks
  156

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