Lenovo 20X8 Manuals

Manuals and User Guides for Lenovo 20X8. We have 1 Lenovo 20X8 manual available for free PDF download: Hardware Maintenance Manual

Lenovo 20X8 Hardware Maintenance Manual

Lenovo 20X8 Hardware Maintenance Manual (129 pages)

Brand: Lenovo | Category: Laptop | Size: 70.19 MB

Table of Contents

Table of Contents
3
About this Manual

5
Chapter 1. Safety Information

7
Chapter 2. Important Service Information

25
- Strategy for Replacing Frus
  25
- Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
  26
  - Product Definition
    26
  - FRU Identification
    27
Chapter 3. General Checkout

29
- What to Do First
  29
- Checkout Guide
  30
  - Diagnosing Problems
    30
  - Quick Test Programs
    31
  - UEFI Diagnostic Program
    31
  - Bootable Diagnostic Programs
    31
- Power System Checkout
  32
Chapter 4. Related Service Information

35
- Reset or Restore Windows
  35
- Passwords
  35
- Power Management
  38
  - Sleep Mode
    38
  - Hibernation Mode
    39
- Symptom-To-FRU Index
  39
  - Numeric Error Codes
    40
  - Error Messages
    41
  - Beep Errors
    41
  - No-Beep Symptoms
    43
  - LCD-Related Symptoms
    43
  - Intermittent Problems
    44
  - Undetermined Problems
    44
Chapter 5. Use the Keyboard Shortcuts

47
Chapter 6. Locations

51
- Locating Computer Controls, Connectors, and Indicators
  51
  - Front View
    51
  - Side View
    53
  - Bottom View
    55
- Locating Frus and Crus
  55
  - Major Frus and Crus (for L14 Gen 2)
    57
  - Major Frus and Crus (for L15 Gen 2)
    60
  - LCD Frus
    63
  - Miscellaneous Parts
    64
  - Connector and Cable Guide
    65
- Looking up FRU Information
  70
Chapter 7. FRU Replacement Notices

71
- Service Tool Kit
  71
- Screw Notices
  71
- Retaining Serial Numbers
  72
Chapter 8. Removing or Replacing a FRU

75
- General Guidelines
  75
- Before Servicing the Computer
  76
- 1010 Keyboard
  77
- 1020 Base Cover Assembly
  78
- 1030 Wireless-LAN Card
  80
- 1040 Wireless-WAN Card (for Selected Models)
  80
- 1050 Memory Module
  81
  - Screw M2 X L2.5, Black
    81
- 1060 I/O Bracket
  82
- 1070 Storage Drive
  83
- 1080 USB and Audio Card Bracket (for L15 Gen 2)
  85
  - Screw M2 X L3, Silver
    85
  - Screw M2 X L5, Black
    85
- 1090 USB and Audio Card
  86
- 1100 Speaker Assembly
  87
  - Screw M2.5 X L2.5, Black
    87
- 1110 Thermal Fan Assembly
  88
- 1120 Built-In Battery
  90
- 1130 Coin-Cell Battery
  90
- 1140 NFC Cable, NFC Module and NFC Antenna
  91
- 1150 Trackpad Cable and Trackpad
  93
- 1160 Fingerprint Reader Cable, Bracket and Module
  95
  - Screw M2.5 X L4.5, Silver
    95
- 1170 Power Button Card with Cable
  98
- 1180 Smart Card Reader,Cable and Bracket
  100
- 1190 System Board
  103
- 1200 LCD Unit
  107
- 2010 LCD Bezel
  111
- 2020 LCD Panel and LCD Elastic Adhesive Tapes
  112
- 2030 Camera/Microphone Module
  114
- 2040 Camera/Lcd Cable
  115
- 2050 Hinges
  117
- 2060 Wireless Antenna Assembly
  119
Appendix A. Notices

123
Appendix B. Abbreviation Table

125

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