Lenovo 90R4 Manuals

Manuals and User Guides for Lenovo 90R4. We have 1 Lenovo 90R4 manual available for free PDF download: User Manual

Lenovo 90R4 User Manual

Lenovo 90R4 User Manual (98 pages)

Brand: Lenovo | Category: Desktop | Size: 6.45 MB

Table of Contents

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

7
- Front
  7
- Top
  8
- Rear
  9
- Features and Specifications
  11
- Statement on USB Transfer Rate
  11
Chapter 2. Get Started with Your Computer

13
- Get Started with Windows 10
  13
- Windows Account
  13
- Windows User Interface
  14
- Connect to Networks
  15
- Connect to the Wired Ethernet
  15
- Connect to Wi-Fi Networks (for Selected Models)
  15
- Use Lenovo Vantage
  15
- Use Multimedia
  16
- Use Audio
  16
Chapter 3. Explore Your Computer

17
- Manage Power
  17
- Set Power Button Behaviors
  17
- Set the Power Plan
  17
- Transfer Data
  17
- Connect to a Bluetooth-Enabled Device
  17
- Use the Optical Drive (for Selected Models)
  18
- Purchase Accessories
  18
Chapter 4. Troubleshooting, Diagnostics, and Recovery

19
- Basic Procedure for Resolving Computer Problems
  19
- Troubleshooting
  19
- Startup Problems
  20
- Audio Problems
  21
- Network Problems
  21
- Performance Problems
  24
- Storage Drive Problems
  25
- CD or DVD Problems
  25
- Serial Connector Problems
  26
- Software Problems
  26
- Recovery
  26
- Restore System Files and Settings to an Earlier Point
  27
- Restore Your Files from a Backup
  27
- Reset Your Computer
  27
- Use Advanced Options
  27
- Windows Automatic Recovery
  27
- Create and Use a Recovery USB Device
  27
- Update the Device Driver
  28
Chapter 5. CRU Replacement

29
- What Are Crus
  29
- Replace a CRU
  30
- Power Cord
  30
- Left Computer Cover
  31
- Right Computer Cover
  33
- Front Bezel
  35
- 3.5-Inch Storage Drive
  36
- Storage Drive Rubber
  38
- Inch Storage Drive (for Selected Models)
  40
- M.2 Solid-State Drive
  43
- Memory Module
  45
- Heat Sink and Fan Assembly
  47
- PCI-Express Card and Card Holder
  48
- Coin-Cell Battery
  50
- Power Supply Assembly
  53
- Water Cooling Assembly
  56
Chapter 6. Help and Support

59
- Self-Help Resources
  59
- Call Lenovo
  60
- Before You Contact Lenovo
  60
- Lenovo Customer Support Center
  60
- Purchase Additional Services
  61
Appendix A. Important Safety Information

63
Appendix B. Accessibility and Ergonomic Information

77
Appendix C. Supplemental Information about the Ubuntu Operating System

81
Appendix D. Compliance Information

83
Appendix E. Notices and Trademarks

95

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