Lenovo 21CX Manuals

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

Lenovo 21CX Hardware Maintenance Manual

Lenovo 21CX Hardware Maintenance Manual (88 pages)

Brand: Lenovo | Category: Laptop | Size: 44.89 MB

Table of Contents

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

7
Chapter 2. General Checkout

27
- What to Do First
  27
- CRU List
  28
Chapter 3. Identifying Frus (Crus)

29
- Locate Frus and Crus
  29
Chapter 4. Removing a FRU or CRU

39
- Service Tools
  39
- General Guidelines
  39
- Removal Procedure for 14-Inch Models
  40
- Remove the Lower Case
  40
- Remove the Battery Pack
  41
- Remove the Solid-State Drive (SSD) and Solid-State Drive (SSD) Bracket
  42
- Remove the Wi-Fi Card
  43
- Remove the Speakers
  44
- Remove the Heat Sink
  45
- Remove the Fans
  46
- Remove the I/O Board and the CMOS Battery
  47
- Remove the Fingerprint Board Cable
  48
- Remove the Touchpad Cable
  49
- Remove the System Board and the I/O Board Cable
  50
- Remove the LCD Module
  53
- Remove the Upper Case
  54
- Disassemble the LCD Module
  54
- Removal Procedure for 16-Inch Models
  60
- Remove the Lower Case
  60
- Remove the Battery Pack
  61
- Remove the Solid-State Drive (SSD) and Solid- State Drive (SSD) Bracket
  61
- Remove the Lower Case
  61
- Remove the Wi-Fi Card
  63
- Remove the Speakers
  63
- Remove the Heat Sink
  64
- Remove the Fans
  65
- Remove the I/O Board and the CMOS Battery
  66
- Remove the Fingerprint Board Cable
  68
- Remove the Touchpad Cable
  69
- Remove the System Board and the I/O Board Cable
  70
- Remove the LCD Module
  73
- Remove the Upper Case
  74
- Disassemble the LCD Module
  74
- Make Sure the Following Frus (Crus) Have Been Removed
  75
- Remove the LCD Module
  75
- Remove the Hinge Cover
  75
- Remove the LCD Bezel
  75
- Remove the LCD Panel
  76
- Replacement Parts
  77
- Removable Tape
  77
- Remove the LCD Panel
  77
Appendix A. Label Locations

81
- Trademarks
  85

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