Lenovo E475 Manuals

Manuals and User Guides for Lenovo E475. We have 1 Lenovo E475 manual available for free PDF download: Hardware Maintenance Manual

Lenovo E475 Hardware Maintenance Manual

Lenovo E475 Hardware Maintenance Manual (104 pages)

Brand: Lenovo | Category: Notebook | Size: 35.89 MB

Table of Contents

Table of Contents

3
- About this Manual
  5
- Chapter 1. Safety Information
  
  7
- Chapter 2. Important Service Information
  
  27
  - Strategy for Replacing Frus
    27
    
    Strategy for Replacing a Hard Disk Drive, a Hybrid Drive, or a Solid-State Drive
    27
    
    Important Notice for Replacing a System Board
    28
    
    How to Use Error Message
    28
  - Strategy for Replacing Frus for CTO, Special Bid Model, and Standard Models
    28
    
    Product Definition
    28
    
    FRU Identification
    29
- Chapter 3. General Checkout
  
  31
  - What to Do First
    31
  - Checkout Guide
    32
    
    Lenovo Companion
    32
    
    Quick Test Programs
    32
    
    UEFI Diagnostic Program
    33
    
    Bootable Diagnostic Programs
    34
  - Power System Checkout
    35
    
    Checking the Ac Power Adapter
    35
    
    Checking the Built-In Battery and Operational Charging
    35
    
    Checking the Coin-Cell Battery
    36
- Chapter 4. Related Service Information
  
  37
- Chapter 5. Status Indicators
  
  51
- Chapter 6. Function Keys
  
  53
- Chapter 7. Locations
  
  55
  - Locating Computer Controls, Connectors, and Indicators
    55
    
    Front View
    55
    
    Bottom View
    56
    
    Rear View
    56
  - Locating Frus and Crus
    56
    
    Major Frus
    58
    
    LCD Frus
    60
    
    Connector and Cable Guide
    61
  - Looking up FRU Information
    64
- Chapter 8. FRU Replacement Notices
  
  65
  - Screw Notices
    65
  - Retaining Serial Numbers
    66
    
    Restoring the Serial Number of the System Unit
    66
    
    Retaining the UUID
    67
- Chapter 9. Removing or Replacing a FRU
  
  69
  - General Guidelines
    69
  - Before Servicing the Computer
    70
  - Disconnect the Battery
    70
  - 1010 Bottom Cover
    71
  - 1020 Internal Storage Drive
    72
  - 1030 Memory Module
    74
  - 1040 Wireless LAN Card
    75
  - 1050 Coin-Cell Battery
    75
  - 1060 Keyboard
    76
  - 1070 Battery Pack
    78
Keyboard Bezel Assembly

79
- Step Screw (Quantity)
  80
- 1010 Bottom Cover
  81
- 1020 Internal Storage Drive
  81
- 1030 Memory Module
  81
- 1040 Wireless LAN Card
  81
- 1050 Coin-Cell Battery
  81
- 1060 Keyboard
  81
- 1090 Speaker Assembly
  81
- 1070 Battery Pack
  82
- 1110 System Board and Thermal Fan Assembly
  83
- Color Torque
  86
- Silver 0.294 Nm (3.0 Kgf-CM)
  86
- 1120 Base Cover Assembly and LCD Unit
  88
- 2010 LCD Bezel Assembly
  90
- 2020 LCD Panel
  90
- 2030 Hinge Kit
  91
- 2040 Integrated Camera and Microphone Combo Card
  94
- 2050 Thinkpad-Logo-LED Card and LCD Cable Assembly
  95
- 2060 Wireless LAN Antennas Assembly and LCD Rear Cover Assembly
  95
- Appendix A. Notices
  
  99
  - Electronic Emissions Notices
    100
  - Trademarks
    100
- Appendix B. Abbreviation Table
  
  101

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