Lenovo 20QN000DIX Manuals

Manuals and User Guides for Lenovo 20QN000DIX. We have 1 Lenovo 20QN000DIX manual available for free PDF download: Hardware Maintenance Manual

Lenovo 20QN000DIX Hardware Maintenance Manual

Lenovo 20QN000DIX Hardware Maintenance Manual (126 pages)

Brand: Lenovo | Category: Laptop | Size: 37.42 MB

Table of Contents

Table of Contents
3
About this Manual
5
Chapter 1. Safety Information

7
Chapter 2. Important Service Information

27
Chapter 3. General Checkout

31
- What to Do First
  31
- Checkout Guide
  32
- Diagnosing Problems
  32
- Quick Test Programs
  33
- UEFI Diagnostic Program
  33
- Bootable Diagnostic Programs
  33
- Power System Checkout
  34
- Checking the Ac Power Adapter
  34
- Checking the Operational Charging
  35
- Checking the Battery Pack
  35
- Checking the Coin-Cell Battery
  36
Chapter 4. Related Service Information

37
- Recovery Overview for the Windows 10 Operating System
  37
- Resetting Your Computer
  37
- Using Advanced Startup Options
  37
- Recovering Your Operating System if Windows 10 Fails to Start
  38
- Creating and Using a Recovery USB Drive
  38
- Passwords
  38
- Power-On Password
  39
- Hard Disk Password
  39
- Supervisor Password
  39
- System Management Password
  39
- How to Remove the Power-On Password
  40
- How to Remove the Hard Disk Password
  40
- How to Remove the System Management Password
  41
- Power Management
  42
- Sleep Mode
  42
- Hibernation Mode
  42
- Symptom-To-FRU Index
  42
- Numeric Error Codes
  43
- Error Messages
  45
- Beep Errors
  45
- No-Beep Symptoms
  47
- LCD-Related Symptoms
  47
- Intermittent Problems
  48
- Undetermined Problems
  48
Chapter 5. Configuring RAID

49
Chapter 6. Special Keys

55
Chapter 7. Locations

57
- Locating Computer Controls, Connectors, and Indicators
  57
- Front View
  57
- Base View
  58
- Left View
  58
- Right View
  59
- Rear View
  59
- Bottom View
  60
- Locating Frus and Crus
  60
- Major Frus
  61
- Power Button
  62
- Fingerprint Reader
  62
- For Selected Models
  63
- LCD Frus
  64
- Miscellaneous Parts
  66
- Connector and Cable Guide
  66
- HDMI™ Connector
  68
- USB 3.1 Connector Gen
  68
- Always on USB 3.1 Connector Gen
  68
- Looking up FRU Information
  71
Chapter 8. FRU Replacement Notices

73
- Service Tool Kit
  73
- Screw Notices
  73
- Retaining Serial Numbers
  74
- Restoring the Serial Number of the System Unit
  74
- Retaining the UUID
  75
- Reading or Writing the ECA Information
  76
Chapter 9. Removing or Replacing a FRU

77
- General Guidelines
  77
- Before Servicing the Computer
  78
- Disable the Built-In Battery
  78
- Removing the Nano-SIM Card
  78
- Removing a Major FRU
  78
- 1010 Bottom Cover
  79
- 1020 Storage Drive
  79
- 1030 Memory Module under the Bottom Cover
  82
- 1040 Coin-Cell Battery
  83
- 1050 Keyboard
  84
- 1060 Memory Module Bracket under the Keyboard
  86
- 1070 Wireless LAN Card
  87
- 1080 Wireless WAN Card
  87
- 1090 Built-In Battery
  88
- 1110 Keyboard Bezel Assembly
  89
- 1120 NFC Module, Cable and Antenna
  90
- 1130 Fingerprint Reader Cable, Bracket and Board
  91
- 1140 Trackpad Cable and Trackpad Buttons with Cable
  92
- 1150 Power Button Board with Cable
  93
- 1160 Hinge Caps
  94
- 1170 LCD Unit
  95
- 1180 Smart Card Reader and Smart Card Reader Cable
  97
- 1190 Chassis Assembly
  98
- 1210 Memory Module under the Keyboard
  99
- 1220 Speaker Assembly
  100
- 1230 Thermal Fan Assembly
  100
- 1240 System Board
  102
- 1250 DC-In Bracket, DC-In Cable Assembly, and Base Cover Assembly
  104
- Removing an LCD FRU for Non-Touch Models
  106
- 2010 LCD Bezel Assembly
  106
- 2020 LED Card
  106
- 2030 LCD Panel, LCD Cable, and Hinge Assembly
  107
- 2040 Microphone Board
  110
- 2050 Camera Card and LED Camera Cable Assembly
  111
- 2060 Antenna Kit and LCD Rear Cover Assembly
  113
- Removing an LCD FRU for Touch Models
  115
- 3010 LCD Strip Bezel
  115
- 3020 LED Card
  116
- 3030 LCD Panel Assembly, LCD Cable, and Hinge Assembly
  116
- 3040 Camera Card and LED Camera Cable Assembly
  118
- 3050 Antenna Kit and LCD Rear Cover Assembly
  120
Appendix A. Notices

123

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