Lenovo 21N10007GE Manuals

Manuals and User Guides for Lenovo 21N10007GE. We have 1 Lenovo 21N10007GE manual available for free PDF download: Hardware Maintenance Manual

Lenovo 21N10007GE Hardware Maintenance Manual

Lenovo 21N10007GE Hardware Maintenance Manual (100 pages)

Brand: Lenovo | Category: Laptop | Size: 35.93 MB

Table of Contents

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

7
Chapter 2. Important Service Information

25
Chapter 3. General Checkout

27
- What to Do First
  27
- Checkout Guide
  28
- Diagnosing Problems
  28
- Quick Test Programs
  29
- UEFI Diagnostic Program
  29
- Bootable Diagnostic Programs
  30
- Power System Checkout
  30
- Checking the Ac Power Adapter
  31
- Checking the Built-In Battery and Operational Charging
  31
Chapter 4. Related Service Information

33
- Reset or Restore Windows
  33
- Use Lenovo Recovery Options
  33
- Use Window Recovery Options
  33
- Passwords
  33
- Power-On Password
  34
- Nvme Passwords
  34
- Supervisor Password
  34
- System Management Password
  34
- How to Remove the Power-On Password
  35
- How to Remove the Nvme Password
  35
- How to Remove the System Management Password
  35
- Power Management
  36
- Sleep Mode
  36
- Hibernation Mode
  37
- Symptom-To-FRU Index
  37
- Numeric Error Codes
  38
- Error Messages
  39
- Battery-Charge LED Indicator Diagnosis
  39
- Beep Symptoms
  41
- LCD-Related Symptoms
  41
- Intermittent Problems
  42
- Undetermined Problems
  42
Chapter 5. Use the Keyboard Shortcuts

45
Chapter 6. Locations

47
- Locating Computer Controls and Connectors
  47
- Front View
  47
- Side View
  48
- Bottom View
  49
- Locating Frus and Crus
  50
- Major Frus and Crus
  51
- LCD Frus and Crus
  53
- Miscellaneous Parts
  54
- Connector and Cable Guide
  55
- Looking up FRU Information
  57
Chapter 7. FRU Replacement Notices

59
- Service Tool Kit
  59
- Screw Notices
  59
- Retaining Serial Numbers
  60
- Restoring the Serial Number of the System Unit
  60
- Retaining the UUID
  61
- Reading or Writing the ECA Information
  61
Chapter 8. Removing or Replacing a FRU

63
- General Guidelines
  63
- Before Servicing the Computer
  63
- Disabling the Built-In Battery
  63
- Removing the Nano-SIM Card and Nano-SIM-Card Tray
  64
- Base Cover Assembly
  64
- Applying Labels to the Base Cover Assembly
  65
- Wireless WAN Module (for Selected Models)
  66
- M.2 Solid-State Drive and M.2 Solid-State Drive Bracket
  68
- Speaker Assembly
  69
- Built-In Battery
  70
- Thermal Fan Assembly
  71
- Fan Cable Guide
  72
- Power Button with Fingerprint Reader Cable
  72
- USB Sub-Board
  73
- USB IO Cable
  74
- USB IO Flexible Printed Circuit
  75
- Trackpad
  75
- Removal Steps
  75
- Installation Steps
  77
- Trackpad Cable
  78
- Power Button with Fingerprint Reader
  79
- Wireless WAN Antennas (for Selected Models)
  80
- System Board
  81
- Replace the System Board
  82
- How to Configure Keyboard Language in UEFI BIOS
  83
- LCD Unit
  83
- Keyboard Bezel Assembly
  85
- LCD Bezel Sheet
  85
- Strip Cover
  86
- One Bar Hinge Cap
  87
- LCD Panel and LCD Cable
  87
- LCD Hinges
  88
- Camera Bracket and Camera Shutter
  89
- Camera Rubber
  90
- Camera-And-Microphone Module and Camera Cap
  91
- Camera-And-Microphone Module Cable
  92
- Microphone Rubbers
  93
- Wireless LAN Antenna Assembly
  94
- LCD Cover Assembly
  94
Appendix A. Notices

95
Appendix B. Abbreviation Table

97

Advertisement

Advertisement

Related Products

Lenovo Categories

Laptop

Desktop

Monitor

More Lenovo Manuals