Lenovo 21HJ Manuals

Manuals and User Guides for Lenovo 21HJ. We have 2 Lenovo 21HJ manuals available for free PDF download: Hardware Maintenance Manual, User Manual

Lenovo 21HJ Hardware Maintenance Manual

Lenovo 21HJ Hardware Maintenance Manual (102 pages)

Brand: Lenovo | Category: Laptop | Size: 44 MB

Table of Contents

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Lenovo 21HJ User Manual

Lenovo 21HJ User Manual (74 pages)

Brand: Lenovo | Category: Laptop | Size: 29 MB

Table of Contents

Table of Contents
3
About this Documentation
5
Chapter 1. Meet Your Computer

7
- Front View
  7
- Rear View
  11
- Side View
  12
- Bottom View
  15
- USB Connectors
  17
Chapter 2. Get Started with Your Computer

19
- Get Started with Your Desktop
  19
- Manage Networks
  19
- Connect to Wi-Fi Networks
  19
- Connect to a Cellular Network (for Selected Models)
  20
- Airplane Mode
  20
- Interact with Your Computer
  21
- Use the Camera
  21
- Use the Keyboard Shortcuts
  21
- Use the Trackpoint Pointing Device
  22
- Use the Trackpad
  23
- Use the Multi-Touch Screen (for Selected Models)
  24
- Connect to an External Display
  26
Chapter 3. Explore Your Computer

29
Chapter 4. Secure Your Computer and Information

33
Chapter 5. Configure Advanced Settings

37
- Uefi Bios
  37
- What Is UEFI BIOS
  37
- Enter the UEFI BIOS Menu
  37
- Navigate in the UEFI BIOS Interface
  37
- Change the Startup Sequence
  37
- Detect Memory Retraining (for Intel Models Only)
  38
- Set the System Date and Time
  38
- Recover the UEFI BIOS
  38
- Update UEFI BIOS
  38
Chapter 6. CRU Replacement

41
Chapter 7. Help and Support

57
- Frequently Asked Questions
  57
- Error Messages
  58
- Beep Errors
  59
- Self-Help Resources
  60
- Call Lenovo
  61
- Before You Contact Lenovo
  61
- Lenovo Customer Support Center
  62
- Purchase Additional Services
  63
Appendix A. Compliance Information

65
- Certification-Related Information
  65
- Operating Environment
  68
Appendix B. Notices and Trademarks

71

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