Lenovo 27ARH7 Desktop Manuals

Manuals and User Guides for Lenovo 27ARH7 Desktop. We have 2 Lenovo 27ARH7 Desktop manuals available for free PDF download: Hardware Maintenance Manual, User Manual

Lenovo 27ARH7 Hardware Maintenance Manual (92 pages)

Brand: Lenovo | Category: Desktop | Size: 13.07 MB

Table of Contents
3
Chapter 1. Important Safety Information

7
Chapter 2. Important Service Information

33
Chapter 3. Product Overview

35
- Front
  35
- Rear
  36
Chapter 4. Service Checkout and Symptom-To-FRU Index

37
- Service Checkout
  37
- Problem Determination Tips
  37
- Symptom-To-FRU Index
  38
- Hard Disk Drive Boot Error
  38
- Power Supply Problems
  39
- Beep Symptoms
  39
- POST Error Codes
  40
- Miscellaneous Error Conditions
  41
- Undetermined Problems
  43
Chapter 5. Troubleshooting, Diagnostics, and Recovery

45
- Basic Procedure for Resolving Computer Problems
  45
- Troubleshooting
  45
- Startup Problems
  46
- Screen Problems
  47
- Audio Problems
  48
- Network Problems
  48
- Performance Problems
  51
- Storage Drive Problems
  52
- CD or DVD Problems
  52
- Serial Connector Problems
  53
- Software Problems
  53
- Recovery
  53
- Restore System Files and Settings to an Earlier Point
  54
- Restore Your Files from a Backup
  54
- Reset Your Computer
  54
- Use Advanced Options
  54
- Windows Automatic Recovery
  54
- Create and Use a Recovery USB Device
  54
- Update the Device Driver
  55
Chapter 6. Hardware Removal and Installation

57
- Handling Static-Sensitive Devices
  57
- Service Tool Kit
  57
- Major Frus and Crus
  58
- System Board
  62
- Removing and Installing Hardware
  62
- External Options
  62
- Power Cord and Ac Power Adapter
  63
- External Camera (for Selected Models)
  63
- Computer Cover
  64
- System Board Shield
  65
- M.2 Solid-State Drive and Thermal Pad
  66
- Remove the Heat Sink
  67
- Speaker
  69
- Wi-Fi Card and Bracket
  70
- Fans
  71
- Discrete Graphic Card (for Selected Models)
  72
- Wireless Projector Board and Bracket
  73
- Power Switch Board and Bracket
  74
- Coin-Cell Battery
  75
- System Board
  76
- Side I/O Bracket
  77
- System Board Front Cover
  78
- Computer Stand
  79
- Base Support Bracket
  80
- Base Support Assembly
  81
- Antennas
  82
- Panel Housing Assembly
  83
- Microphone Board and Bracket
  84
- G-Sensor Cards
  85
- LCD Main Frame and LCD Panel
  86

Lenovo 27ARH7 User Manual (28 pages)

Brand: Lenovo | Category: Desktop | Size: 1.77 MB

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

7
- Front
  7
- Rear
  8
- Features and Specifications
  9
- USB Specifications
  9
- Operating Environment
  11
Chapter 2. Get Started with Your Computer

13
- Work with Windows
  13
- Windows Help Information
  13
- Connect an External Display
  14
Chapter 3. Explore Your Computer

15
- Adjust the Computer Stand
  15
- Lenovo Vantage
  15
- Set the Power Plan
  16
- Transfer Data
  16
- Connect to a Bluetooth-Enabled Device (for Selected Models)
  16
- Connect to the Wired Ethernet
  16
- Purchase Accessories
  17
Chapter 4. CRU Replacement

19
- CRU List
  19
- Remove or Replace a CRU
  19
- Power Cord and Ac Power Adapter
  19
- Camera (for Selected Models)
  20
Chapter 5. Help and Support

21
- Frequently Asked Questions
  21
- Self-Help Resources
  21
- Call Lenovo
  23
- Before You Contact Lenovo
  23
- Lenovo Customer Support Center
  23
- Purchase Additional Services
  24
Appendix A. Notices and Trademarks

25

Lenovo Categories

Laptop

Desktop Server

Monitor Tablet

More Lenovo Manuals

Lenovo 27ARH7 Desktop Manuals

Lenovo 27ARH7 Hardware Maintenance Manual (92 pages)

Table of Contents

Chapter 1. Important Safety Information

Chapter 2. Important Service Information

Chapter 3. Product Overview

Chapter 4. Service Checkout and Symptom-To-FRU Index

Chapter 5. Troubleshooting, Diagnostics, and Recovery

Chapter 6. Hardware Removal and Installation

Lenovo 27ARH7 User Manual (28 pages)

Table of Contents

Chapter 1. Meet Your Computer

Chapter 2. Get Started with Your Computer

Chapter 3. Explore Your Computer

Chapter 4. CRU Replacement

Chapter 5. Help and Support

Appendix A. Notices and Trademarks

Related Products

Lenovo Categories