User Manuals: Lenovo 20S7S02U00 Business Laptop

Manuals and User Guides for Lenovo 20S7S02U00 Business Laptop. We have 1 Lenovo 20S7S02U00 Business Laptop manual available for free PDF download: Hardware Maintenance Manual

Lenovo 20S7S02U00 Hardware Maintenance Manual

Lenovo 20S7S02U00 Hardware Maintenance Manual (111 pages)

Brand: Lenovo | Category: Laptop | Size: 71.84 MB

Table of Contents

Table of Contents
3
About this Manual

5
Chapter 1. Safety Information

7
Chapter 2. Important Service Information

27
- Strategy for Replacing Frus
  27
- Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
  28
  - Product Definition
    28
  - FRU Identification
    28
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
Chapter 4. Related Service Information

37
- Recovery Information
  37
  - Recovery Information for the Windows 10 Operating System
    37
- Passwords
  39
- Power Management
  42
  - Sleep Mode
    42
  - Hibernation Mode
    42
- Symptom-To-FRU Index
  43
  - Numeric Error Codes
    44
  - Error Messages
    45
  - Beep Symptoms
    46
  - No-Beep Symptoms
    47
  - LCD-Related Symptoms
    47
  - Intermittent Problems
    48
  - Undetermined Problems
    48
Chapter 5. Special Keys

51
Chapter 6. Locations

53
- Locating Computer Controls, Connectors, and Indicators
  53
  - Front View
    53
  - Base View
    54
  - Left View
    54
  - Right View
    55
  - Bottom View
    55
  - Rear View
    56
- Locating Frus and Crus
  56
  - Major Frus and Crus
    57
  - LCD Frus
    59
  - Miscellaneous Parts
    61
  - Connector and Cable Guide
    61
- Looking up FRU Information
  64
Chapter 7. FRU Replacement Notices

65
- Service Tool Kit
  65
- Screw Notices
  65
- Retaining Serial Numbers
  66
Chapter 8. Removing or Replacing a FRU

69
When Installing: Ensure that the Connectors Are Attached Firmly

88
- 1010 Removing the Nano-SIM Card and the Nano-SIM-Card Tray
  89
- 1210 System Board
  89
- 1220 LCD Unit
  93
- 1230 Keyboard Bezel Assembly
  95
- Removing an LCD FRU
  96
  - 2010 LCD Bezel Sheet and LCD Bezel
    96
  - 2020 LCD Hinges
    97
  - 2030 LCD Panel and LCD Elastic Adhesive Tape
    97
  - 2040 LCD Cable
    100
  - 2050 Camera/Microphone Module
    101
  - 2060 Camera/Led Cable
    102
  - 2070 Wireless Antenna Assembly
    104
  - 2080 LCD Cover Assembly
    105
Appendix A. Notices

107

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