Lenovo 90AH Manuals

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

Lenovo 90AH Maintenance Manual

Lenovo 90AH Maintenance Manual (120 pages)

90AH and 10155 Types

Brand: Lenovo | Category: Desktop | Size: 8.24 MB

Table of Contents

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

7
Chapter 2. General Information

33
- Specifications
  33
- Lenovo Support Web Site
  34
Chapter 3. General Checkout

35
- Problem Determination Tips
  35
Chapter 4. Troubleshooting and Diagnostics

37
- Basic Troubleshooting
  37
- Accessing Control Panel on the Windows 8 Operating System
  38
- Troubleshooting Procedure
  38
- Troubleshooting
  38
  - Audio Problems
    39
  - No Audio in Windows
    39
  - CD Problems
    40
  - Sound Comes from One External Speaker Only
    40
  - No Audio in DOS Applications or Games
    40
  - DVD Problems
    41
  - Intermittent Problems
    42
  - Hard Disk Drive Problems
    43
  - Keyboard, Mouse, or Pointing Device Problems
    43
  - The Wireless Keyboard Does Not Work
    44
  - Monitor Problems
    45
  - Networking Problems
    46
  - Option Problems
    49
  - Performance and Lockup Problems
    49
  - Printer Problems
    51
  - Serial Port Problems
    51
  - Software Problems
    52
  - USB Problems
    52
  - Select Your Symptom from the Following List
    52
  - Actions
    52
- Diagnostics
  53
  - Lenovo Solution Center
    53
Chapter 5. Using the Setup Utility Program

55
Chapter 6. Symptom-To-FRU Index

61
- Hard Disk Drive Boot Error
  61
- Power Supply Problems
  61
- Beep Symptoms
  61
- POST Error Codes
  62
- Miscellaneous Error Messages
  64
- Undetermined Problems
  65
Chapter 7. Locations

67
Chapter 8. Replacing Frus

75
- Handling Static-Sensitive Devices
  75
- Installing or Replacing Hardware
  75
Chapter 9. Additional Service Information

111
- Security Features
  111
  - Hardware-Controlled Passwords
    111
  - Operating System Password
    111
  - Vital Product Data
    111
- BIOS Levels
  111
- Flash Update Procedures
  111
- Power Management
  114
  - Advanced Configuration and Power Interface (ACPI) BIOS
    114
  - Automatic Power-On Features
    114
Appendix A. Notices

115
- Television Output Notice
  116
- European Conformance CE Mark
  116
- Trademarks
  116
Index

117

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