Lenovo 3254ACU Laptop Computer Manuals

Manuals and User Guides for Lenovo 3254ACU Laptop Computer. We have 1 Lenovo 3254ACU Laptop Computer manual available for free PDF download: Hardware Maintenance Manual

Lenovo 3254ACU Hardware Maintenance Manual

Lenovo 3254ACU Hardware Maintenance Manual (112 pages)

Hardware Maintenance Manual

Brand: Lenovo | Category: Laptop | Size: 16.37 MB

Table of Contents

Table of Contents
3
About this Manual

5
Chapter 1. Safety Information

7
Chapter 2. Important Service Information

29
Chapter 3. General Checkout

33
- What to Do First
  33
- Checkout Guide
  34
  - Lenovo Solution Center
    34
  - Quick Test Programs
    34
  - UEFI Diagnostic Program
    35
  - Bootable Diagnostic Programs
    35
- Power System Checkout
  36
Chapter 4. Related Service Information

39
- Restoring the Factory Contents by Using the Recovery Disc Set
  39
- Using the Windows Recovery Programs on the Windows 8 Operating System
  40
- Passwords
  41
  - Power-On Password
    41
  - Hard Disk Password
    41
  - Supervisor Password
    42
  - How to Remove the Power-On Password
    42
  - How to Remove the Hard Disk Password
    42
- Power Management
  43
- Symptom-To-FRU Index
  44
  - Numeric Error Codes
    45
  - Error Messages
    45
  - No-Beep Symptoms
    46
  - LCD-Related Symptoms
    46
  - Intermittent Problems
    46
  - Undetermined Problems
    47
  - Copyright Lenovo
    49
Chapter 5. Status Indicators

49
Chapter 6. Special Keys

51
Chapter 7. Locations

53
- Locating Computer Controls, Connectors, and Indicators
  53
- Front View
  53
  - Rear View
    54
- Bottom View
  54
- Locating Frus and Crus
  54
  - Major Frus and Crus
    56
  - LCD Frus and Crus
    58
- Looking up FRU Information
  59
Chapter 8. FRU Replacement Notices

61
- Screw Notices
  61
- Retaining Serial Numbers
  62
Chapter 9. Removing or Replacing a FRU

65
- General Guidelines
  65
- Before Servicing Thinkpad Edge E430 and E430C Models
  66
- 1010 Battery Pack
  66
- 1020 Large Bottom Cover
  67
- 1030 Small Bottom Cover
  68
- 1040 Optical Drive or Blank Bezel
  68
- 1050 Memory Modules
  69
- 1060 Hard Disk Drive Assembly
  70
  - 1010 Battery Pack
    70
  - 1020 Large Bottom Cover
    70
Step Screw (Quantity) M2 × 3 MM, Wafer-Head, Nylon-Coated

71
- 1070 PCI Express Mini Card for Wireless LAN
  72
  - For Access, Remove These Frus in Order: "1010 Battery Pack
    72
  - 1020 Large Bottom Cover
    72
- 1080 PCI Express Mini Card for Wireless WAN or Msata Solid-State Drive
  73
Color Torque

73
- (1.85 Kgf-CM)
  73
- Black 0.181 Nm
  73
- 1090 Backup Battery
  77
- 1100 Thermal Fan
  78
- 1110 Thermal Pipes
  78
- 1120 Keyboard
  80
- 1130 Keyboard Bezel
  83
- 1140 Cpu
  85
- 1150 System Board Assembly
  86
- 1160 Speaker Assembly
  89
- 1170 Power Button Sub Card
  91
- 1180 I/O Sub Card with USB Connector and Audio Jack
  91
- 1190 RJ45 Sub Card
  93
- 1200 LCD Unit
  95
- 1210 Base Cover Assembly and DC-In Connector
  98
- 2010 LCD Bezel Assembly
  100
- 2020 LCD Panel and Hinges
  102
- 2030 Integrated Camera and LCD Cables
  104
- 2040 Wireless Antenna Assembly and LCD Rear Cover Assembly
  106
Appendix A. Notices

109
- Electronic Emission Notices
  110
- Trademarks
  110

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