ThinkPad E550c Manuals

Manuals and User Guides for ThinkPad E550c. We have 1 ThinkPad E550c manual available for free PDF download: Hardware Maintenance Manual

ThinkPad E550c Hardware Maintenance Manual

ThinkPad E550c Hardware Maintenance Manual (112 pages)

Brand: ThinkPad | Category: Laptop | Size: 21.41 MB

Table of Contents

Table of Contents
3
About this Manual

5
Chapter 1. Safety Information

7
Chapter 2. Important Service Information

31
- Strategy for Replacing Frus
  31
- Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
  32
  - Product Definition
    32
FRU Identification

32
Chapter 3. General Checkout

35
- What to Do First
  35
- Checkout Guide
  36
  - Lenovo Solution Center
    36
  - Quick Test Programs
    36
  - UEFI Diagnostic Program
    37
  - Bootable Diagnostic Programs
    38
- Power System Checkout
  39
Chapter 4. Related Service Information

43
- Restoring the Factory Contents by Using the Recovery Disc Set
  43
- Recovery Overview for the Windows 8.1 Operating System
  44
  - Refreshing Your Computer
    44
  - Resetting Your Computer to the Factory Default Settings
    44
    
    Using the Advanced Startup Options
    45
    
    Recovering Your Operating System if Windows 8.1 Fails to Start
    45
    
    Creating and Using Recovery Media
    45
  - Passwords
    46
    
    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
    48
    
    Screen Blank Mode (for the Windows 7 Operating System Only)
    48
  - Sleep Mode
    48
    
    Hibernation Mode
    49
  - Symptom-To-FRU Index
    49
    
    Numeric Error Codes
    50
    
    Error Messages
    52
    
    Beep Symptoms
    52
    
    No-Beep Symptoms
    52
    
    LCD-Related Symptoms
    53
    
    Intermittent Problems
    53
    
    Undetermined Problems
    53
Chapter 5. Status Indicators

55
Chapter 6. Special Keys

57
Chapter 7. Locations

59
- Locating Computer Controls, Connectors, and Indicators
  59
- Front View
  59
  - Rear View
    60
- Bottom View
  60
  - Locating Frus and Crus
    60
    
    Major Frus and Crus
    62
    
    LCD Frus and Crus
    64
    
    Miscellaneous Kits and Other Frus
    66
  - Looking up FRU Information
    66
Chapter 8. FRU Replacement Notices

67
- Screw Notices
  67
- Retaining Serial Numbers
  68
  - Restoring the Serial Number of the System Unit
    68
  - Retaining the UUID
    69
Chapter 9. Removing or Replacing a FRU

71
- General Guidelines
  71
- 1010 Lenovo-Onelink-Connector Cover
  72
- 1020 Battery Pack
  72
- 1030 Large Bottom Cover
  73
- 1040 Small Bottom Cover
  74
- 1050 Optical Drive or Optical-Drive Bay Bezel
  75
- 1060 Memory Module
  76
- 1070 Hard Disk Drive Assembly or Solid-State Drive Assembly
  76
- 1080 Wireless LAN Card
  78
- 1090 Coin-Cell Battery
  79
- 1110 Keyboard
  79
- 1120 Keyboard Bezel Assembly
  81
- 1130 System Board and Thermal Fan
  84
- 1140 DC-In/Usb-Connector Board with Cable
  89
- 1150 Audio Connector Card with Cable
  90
- 1160 Speaker Assembly
  91
- 1170 LCD Unit
  92
- 1180 Base Cover Assembly
  95
- 2010 LCD Bezel
  98
- 2020 LCD Panel
  98
- 2030 LCD Hinges
  100
- 2040 Camera/Microphone Module for Models with a 2D Camera
  101
- 2050 Camera and Microphone Modules for Models with a 3D Camera
  102
- 2060 LCD Cables
  103
- 2070 Wireless LAN Assembly and LCD Rear Cover
  104
Appendix A. Notices

107
- Electronic Emission Notices
  108
- Trademarks
  108
Appendix B. Abbreviation and Acronym Table

109

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