Lenovo 21C9 Manuals

Manuals and User Guides for Lenovo 21C9. We have 3 Lenovo 21C9 manuals available for free PDF download: Hardware Maintenance Manual, User Manual

Lenovo 21C9 Hardware Maintenance Manual (80 pages)

Gen 1 Chromebook

Brand: Lenovo | Category: Laptop | Size: 62.27 MB

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

7
Chapter 2. General Checkout

27
Chapter 3. Create and Use a USB Repair Shim

31
- What Is a USB Repair Shim
  31
- Create a USB Repair Shim
  31
- Use the USB Repair Shim
  32
Chapter 4. Locations

33
- Locating Controls and Connectors
  33
- Front
  33
- Left and Right
  34
- Bottom
  35
- Locating Frus and Crus
  36
- Major Frus and Crus
  37
- LCD Frus and Crus
  39
- Miscellaneous Parts
  40
- Looking up FRU Information
  40
Chapter 5. FRU Replacement Notices

41
- Service Tool Kit
  41
- Screw Notices
  41
Chapter 6. Removing or Replacing a FRU

43
- General Guidelines
  43
- Before Servicing the Chromebook
  43
- Disabling the Built-In Battery
  43
- Removing Microsd Card, SIM-Card and SIM-Card Tray
  44
- 1010 Keyboard
  44
- 1020 Base Cover Assembly
  48
- 1030 M.2 Solid-State Drive
  50
- 1040 Wireless WAN Card (for Selected Models)
  51
- 1050 Wireless LAN Card
  52
- 1060 Speaker
  53
- 1070 USB and Microsd Card Board
  54
- 1080 USB and Microsd Card Board and Cable
  55
- 1090 Heat Sink
  55
- 1100 Fan
  56
- 1110 Battery Pack
  57
- 1120 Smart Card Dummy Door
  58
- 1130 Trackpad
  59
- 1140 NFC Board and Cable (for Selected Models)
  62
- 1150 Fingerprint Reader Cable (for Selected Models)
  63
- 1160 Power Board and Power Board Cable with or Without Fingerprint Reader (for Selected Models)
  65
- 1170 I/O Bracket
  67
- 1180 System Board
  68
- 1190 LCD Unit
  69
- 1200 Keyboard Assembly
  71
- 2010 LCD Bezel
  71
- 2020 LCD Panel
  72
- 2030 LCD Cable
  73
- 2040 LCD Hinges
  74
- 2050 Camera-And-Microphone Module and Cable (for Selected Models)
  75
- 2070 LCD Cover Assembly
  75
Appendix A. Notices

77

Lenovo 21C9 Hardware Maintenance Manual (78 pages)

Brand: Lenovo | Category: Laptop | Size: 62.25 MB

Table of Contents
3
About this Manual

5
Chapter 1. Safety Information

7
Chapter 2. General Checkout

25
- What to Do First
  25
- Power System Checkout
  26
  - Checking the Ac Power Adapter
    26
  - Checking the Built-In Battery and Operational Charging
    26
Chapter 3. Create and Use a USB Repair Shim

29
- What Is a USB Repair Shim
  29
- Create a USB Repair Shim
  29
- Use the USB Repair Shim
  30
Chapter 4. Locations

31
- Locating Controls and Connectors
  31
  - Front
    31
  - Left and Right
    32
  - Bottom
    33
- Locating Frus and Crus
  34
  - Major Frus and Crus
    35
  - LCD Frus and Crus
    37
  - Miscellaneous Parts
    38
- Looking up FRU Information
  38
Chapter 5. FRU Replacement Notices

39
- Service Tool Kit
  39
- Screw Notices
  39
Chapter 6. Removing or Replacing a FRU

41
- General Guidelines
  41
- Before Servicing the Chromebook
  41
  - Disabling the Built-In Battery
    41
  - Removing Microsd Card, SIM-Card and SIM-Card Tray
    42
- 1010 Keyboard
  42
- 1020 Base Cover Assembly
  46
- 1030 M.2 Solid-State Drive
  48
- 1040 Wireless WAN Card (for Selected Models)
  49
- 1050 Wireless LAN Card
  50
- 1060 Speaker
  51
- 1070 USB and Microsd Card Board
  52
- 1080 USB and Microsd Card Board and Cable
  53
- 1090 Heat Sink
  53
- 1100 Fan
  54
- 1110 Battery Pack
  55
- 1120 Smart Card Dummy Door
  56
- 1130 Trackpad
  57
- 1140 NFC Board and Cable (for Selected Models)
  60
- 1150 Fingerprint Reader Cable (for Selected Models)
  61
- 1160 Power Board and Power Board Cable with or Without Fingerprint Reader (for Selected Models)
  63
- 1170 I/O Bracket
  65
- 1180 System Board
  66
- 1190 LCD Unit
  67
- 1200 Keyboard Assembly
  69
- 2010 LCD Bezel
  69
- 2020 LCD Panel
  70
- 2030 LCD Cable
  71
- 2040 LCD Hinges
  72
- 2050 Camera-And-Microphone Module and Cable (for Selected Models)
  73
- 2070 LCD Cover Assembly
  73
Appendix A. Notices

75

Lenovo 21C9 User Manual (44 pages)

Brand: Lenovo | Category: Laptop | Size: 30.99 MB

Table of Contents
3
Discover Your Chromebook
4
Chapter 1. Meet Your Chromebook

5
- Front View
  5
- Side View
  7
- Rear View
  8
- Specifications
  8
  - USB Specifications
    8
Chapter 2. Explore Your Chromebook

11
- Charge Your Chromebook
  11
- Lock Your Chromebook
  11
- Interact with Your Chromebook
  12
  - Use the Keyboard Shortcuts
    12
  - Use the Touchpad
    13
  - Connect to an External Display
    14
  - Use the Touch Screen (for Selected Models)
    15
  - Set the Power Plan
    17
  - Shut down Your Chromebook
    17
Chapter 3. CRU Replacement

19
- What Are Crus
  19
- Replace a CRU
  19
  - Base Cover Assembly
    20
  - M.2 Solid-State Drive
    21
  - Speaker
    22
  - Wireless WAN Card (for Selected Models)
    23
  - Keyboard
    24
Chapter 4. Help and Support

29
- Frequently Asked Questions
  29
- Call Lenovo
  30
  - Before You Contact Lenovo
    30
  - Lenovo Customer Support Center
    31
- Get Help from Google
  32
Appendix A. Accessibility and Ergonomic Information

33
Appendix B. Compliance Information

35
Appendix C. Open Source Information

39
Appendix D. Notices and Trademarks

41

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Lenovo 21C9 Manuals

Lenovo 21C9 Hardware Maintenance Manual (80 pages)

Table of Contents

Chapter 1. Safety Information

Chapter 2. General Checkout

Chapter 3. Create and Use a USB Repair Shim

Chapter 4. Locations

Chapter 5. FRU Replacement Notices

Chapter 6. Removing or Replacing a FRU

Appendix A. Notices

Lenovo 21C9 Hardware Maintenance Manual (78 pages)

Table of Contents

About this Manual

Chapter 1. Safety Information

Chapter 2. General Checkout

Chapter 3. Create and Use a USB Repair Shim

Chapter 4. Locations

Chapter 5. FRU Replacement Notices

Chapter 6. Removing or Replacing a FRU

Appendix A. Notices

Lenovo 21C9 User Manual (44 pages)

Table of Contents

Chapter 1. Meet Your Chromebook

Chapter 2. Explore Your Chromebook

Chapter 3. CRU Replacement

Chapter 4. Help and Support

Appendix A. Accessibility and Ergonomic Information

Appendix B. Compliance Information

Appendix C. Open Source Information

Appendix D. Notices and Trademarks

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Lenovo Categories