Lenovo THINKCENTRE 2491 M91 Desktop Manuals

Manuals and User Guides for Lenovo THINKCENTRE 2491 M91 Desktop. We have 4 Lenovo THINKCENTRE 2491 M91 Desktop manuals available for free PDF download: Hardware Maintenance Manual, User Manual

Lenovo THINKCENTRE 2491 Hardware Maintenance Manual (202 pages)

Lenovo Laptop User Manual

Brand: Lenovo | Category: Laptop | Size: 6.66 MB

Table of Contents
5
Chapter 1. About this Manual

7
- Important Safety Information
  7
- Important Information about Replacing Rohs Compliant Frus
  7
Chapter 2. Safety Information

9
Chapter 3. General Information

35
- Lenovo Welcome
  35
- Lenovo Thinkvantage Tools
  35
- Lenovo Thinkvantage Toolbox
  35
- Simpletap
  35
- Lenovo Solution Center
  36
- Thinkvantage Productivity Center
  36
- Additional Information Resources
  36
- Specifications
  37
Chapter 4. General Checkout

39
- Checking for Power Problems
  39
- Problem Determination Tips
  40
Chapter 5. Diagnostics

43
Chapter 6. Using the Setup Utility Program

47
Chapter 7. Symptom-To-FRU Index

53
- Hard Disk Drive Boot Error
  53
- Diagnostic Error Codes
  53
- Beep Symptoms
  69
- POST Error Codes
  69
- Miscellaneous Error Messages
  71
- Undetermined Problems
  72
Chapter 8. Replacing Frus

75
Chapter 9. FRU Lists

105
- Overall MT: 0266, 0384, 2491, 4168, 5027, 5067, , and 7519
  105
- Mechanical Frus
  117
- Keyboard and Mouse
  122
- Adapters and Miscellaneous Frus
  158
- Power Cords
  160
- Recovery Discs
  169
Chapter 10. Additional Service Information

193
- Security Features
  193
  - Hardware-Controlled Passwords
    193
  - Operating System Password
    193
  - Vital Product Data
    193
  - Secure Managed Client
    193
- BIOS Levels
  193
- Updating (Flashing) the BIOS from a Disc
  194
- Updating (Flashing) the BIOS from Your Operating System
  194
- Recovering from a POST/BIOS Update Failure
  195
- Power Management
  195
  - Automatic Configuration and Power Interface (ACPI) BIOS
    195
  - Automatic Power-On Features
    195
Appendix A. Notices

197
- Television Output Notice
  198
- Trademarks
  198
Index

199

Lenovo THINKCENTRE 2491 User Manual (128 pages)

Brand: Lenovo | Category: Desktop | Size: 4.07 MB

Table of Contents
5
Important Safety Information

9
- Service and Upgrades
  9
- Static Electricity Prevention
  9
- Extension Cords and Related Devices
  10
- Power Cords and Power Adapters
  10
- External Devices
  11
- Heat and Product Ventilation
  11
- Plugs and Outlets
  11
- Modem Safety Information
  12
- Operating Environment
  12
- Cleaning and Maintenance
  13
- Laser Compliance Statement
  13
- Power Supply Statement
  13
Chapter 1. Product Overview

15
- Features
  15
- Specifications
  18
- Software Overview
  19
  - Software Provided by Lenovo
    19
  - Product Recovery
    20
  - Adobe Reader
    21
  - Antivirus Software
    21
- Locations
  21
Chapter 2. Using Your Computer

27
- Frequently Asked Questions
  27
- Using the Keyboard
  27
  - Using Windows Shortcut Keys
    27
  - Using a Fingerprint Reader
    28
- Using the Wheel Mouse
  28
- Adjusting Audio
  28
- Using Cds and Dvds
  29
Chapter 3. You and Your Computer

33
- Accessibility and Comfort
  33
- Copyright Lenovo 2011
  33
  - Arranging Your Workspace
    33
  - Comfort
    33
  - Glare and Lighting
    34
  - Air Circulation
    34
  - Electrical Outlets and Cable Lengths
    34
- Register Your Computer with Lenovo
  35
- Moving Your Computer to Another Country or Region
  35
  - Voltage-Selection Switch
    35
  - Replacement Power Cords
    35
Chapter 4. Security

37
- Security Features
  37
- Attaching an Integrated Cable Lock
  38
- Using Passwords
  38
  - BIOS Passwords
    38
  - Windows Passwords
    39
- Setting up the Integrated Security Chip
  39
  - Setting the Security Chip
    39
- Using and Understanding Firewalls
  40
- Protecting Data against Viruses
  40
Chapter 5. Installing or Replacing Hardware

41
- Handling Static-Sensitive Devices
  41
- Installing or Replacing Hardware
  41
Chapter 6. Recovery Information

67
Chapter 7. Using the Setup Utility Program

75
Chapter 8. Updating System Programs

81
Chapter 9. Preventing Problems

83
- Keeping Your Computer Current
  83
- Cleaning and Maintenance
  84
  - Basics
    84
  - Cleaning Your Computer
    85
  - Good Maintenance Practices
    86
- Moving Your Computer
  86
Chapter 10. Troubleshooting and Diagnostics

89
- Basic Troubleshooting
  89
- Troubleshooting Procedure
  90
- Troubleshooting
  90
  - Audio Problems
    91
  - CD Problems
    92
  - DVD Problems
    93
  - Intermittent Problems
    95
  - Keyboard, Mouse, or Pointing Device Problems
    95
  - Monitor Problems
    97
  - Networking Problems
    98
  - Ethernet Problems
    99
  - Option Problems
    101
  - Performance and Lockup Problems
    102
  - Printer Problems
    104
  - Serial Port Problems
    105
  - Software Problems
    105
  - USB Problems
    106
- Diagnostic Programs
  106
  - Lenovo Solution Center
    107
  - Lenovo Thinkvantage Toolbox
    107
  - PC-Doctor for DOS
    107
  - Creating a Diagnostic Disc
    108
Chapter 11. Getting Information, Help, and Service

109
- Information Resources
  109
  - Lenovo Thinkvantage Tools
    109
  - Thinkvantage Productivity Center
    109
  - Lenovo Welcome
    109
  - Help and Support
    109
  - Safety and Warranty
    110
  - Lenovo Web Site (Http://Www.lenovo.com)
    110
  - Lenovo Support Web Site
    110
- Help and Service
  110
Using the Documentation and Diagnostic Programs

110
- Calling for Service
  111
- Using Other Services
  111
- Purchasing Additional Services
  112
Appendix A. Notices

113
- Trademarks
  114
Appendix B. Regulatory Information

115
Appendix C. WEEE and Recycling Information

119
Index

123

Lenovo THINKCENTRE 2491 Hardware Maintenance Manual (200 pages)

Hardware Maintenance Manual

Brand: Lenovo | Category: Desktop | Size: 6.66 MB

Table of Contents
5
Chapter 1. About this Manual

7
- Important Safety Information
  7
- Important Information about Replacing Rohs Compliant Frus
  7
Chapter 2. Safety Information

9
Chapter 3. General Information

35
- Lenovo Welcome
  35
- Lenovo Thinkvantage Tools
  35
- Lenovo Thinkvantage Toolbox
  35
- Simpletap
  35
- Lenovo Solution Center
  36
- Thinkvantage Productivity Center
  36
- Additional Information Resources
  36
- Specifications
  37
Chapter 4. General Checkout

39
- Checking for Power Problems
  39
- Problem Determination Tips
  40
Chapter 5. Diagnostics

43
Chapter 6. Using the Setup Utility Program

47
Chapter 7. Symptom-To-FRU Index

53
- Hard Disk Drive Boot Error
  53
- Diagnostic Error Codes
  53
- Beep Symptoms
  69
- POST Error Codes
  69
- Miscellaneous Error Messages
  71
- Undetermined Problems
  72
Chapter 8. Replacing Frus

75
Chapter 9. FRU Lists

105
- Overall MT: 0266, 0384, 2491, 4168, 5027, 5067, , and 7519
  105
- Mechanical Frus
  117
- Keyboard and Mouse
  122
- Adapters and Miscellaneous Frus
  158
- Power Cords
  160
- Recovery Discs
  168
Chapter 10. Additional Service Information

191
- Security Features
  191
  - Hardware-Controlled Passwords
    191
  - Operating System Password
    191
  - Vital Product Data
    191
  - Secure Managed Client
    191
- BIOS Levels
  191
- Updating (Flashing) the BIOS from a Disc
  192
- Updating (Flashing) the BIOS from Your Operating System
  192
- Recovering from a POST/BIOS Update Failure
  193
- Power Management
  193
  - Automatic Configuration and Power Interface (ACPI) BIOS
    193
  - Automatic Power-On Features
    193
Appendix A. Notices

195
- Television Output Notice
  196
- Trademarks
  196
Index

197

Lenovo THINKCENTRE 2491 Hardware Maintenance Manual (194 pages)

Brand: Lenovo | Category: Desktop | Size: 6.62 MB

Table of Contents
5
Chapter 1. About this Manual

7
- Important Safety Information
  7
- Important Information about Replacing Rohs Compliant Frus
  7
Chapter 2. Safety Information

9
Chapter 3. General Information

35
- Lenovo Welcome
  35
- Lenovo Thinkvantage Tools
  35
- Lenovo Thinkvantage Toolbox
  35
- Thinkvantage Productivity Center
  35
- Additional Information Resources
  36
- Specifications
  37
Chapter 4. General Checkout

39
- Checking for Power Problems
  39
- Problem Determination Tips
  40
Chapter 5. Diagnostics

43
- Lenovo Thinkvantage Toolbox
  43
- PC-Doctor for DOS
  43
Chapter 6. Using the Setup Utility Program

47
Chapter 7. Symptom-To-FRU Index

53
- Hard Disk Drive Boot Error
  53
- Diagnostic Error Codes
  53
- Beep Symptoms
  69
- POST Error Codes
  69
- Miscellaneous Error Messages
  71
- Undetermined Problems
  72
Chapter 8. Replacing Frus

75
Chapter 9. FRU Lists

105
- Overall MT: 0266, 0384, 2491, 4168, 5027, 5067, , and 7519
  105
- Mechanical Frus
  114
- Keyboard and Mouse
  119
- Adapters and Miscellaneous Frus
  153
- Power Cords
  155
- Recovery Discs
  162
Chapter 10. Additional Service Information

185
- Security Features
  185
  - Hardware-Controlled Passwords
    185
  - Operating System Password
    185
  - Vital Product Data
    185
  - Secure Managed Client
    185
- BIOS Levels
  185
- Updating (Flashing) the BIOS from a Disc
  186
- Updating (Flashing) the BIOS from Your Operating System
  186
- Recovering from a POST/BIOS Update Failure
  187
- Power Management
  187
  - Automatic Configuration and Power Interface (ACPI) BIOS
    187
  - Automatic Power-On Features
    187
Appendix A. Notices

189
- Television Output Notice
  190
- Trademarks
  190
Index

191

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Lenovo THINKCENTRE 2491 M91 Desktop Manuals

Lenovo THINKCENTRE 2491 Hardware Maintenance Manual (202 pages)

Table of Contents

Chapter 1. About this Manual

Chapter 2. Safety Information

Chapter 3. General Information

Chapter 4. General Checkout

Chapter 5. Diagnostics

Chapter 6. Using the Setup Utility Program

Chapter 7. Symptom-To-FRU Index

Chapter 8. Replacing Frus

Chapter 9. FRU Lists

Chapter 10. Additional Service Information

Appendix A. Notices

Index

Lenovo THINKCENTRE 2491 User Manual (128 pages)

Table of Contents

Important Safety Information

Chapter 1. Product Overview

Chapter 2. Using Your Computer

Chapter 3. You and Your Computer

Chapter 4. Security

Chapter 5. Installing or Replacing Hardware

Chapter 6. Recovery Information

Chapter 7. Using the Setup Utility Program

Chapter 8. Updating System Programs

Chapter 9. Preventing Problems

Chapter 10. Troubleshooting and Diagnostics

Chapter 11. Getting Information, Help, and Service

Using the Documentation and Diagnostic Programs

Appendix A. Notices

Appendix B. Regulatory Information

Appendix C. WEEE and Recycling Information

Index

Lenovo THINKCENTRE 2491 Hardware Maintenance Manual (200 pages)

Table of Contents

Chapter 1. About this Manual

Chapter 2. Safety Information

Chapter 3. General Information

Chapter 4. General Checkout

Chapter 5. Diagnostics

Chapter 6. Using the Setup Utility Program

Chapter 7. Symptom-To-FRU Index

Chapter 8. Replacing Frus

Chapter 9. FRU Lists

Chapter 10. Additional Service Information

Appendix A. Notices

Index

Lenovo THINKCENTRE 2491 Hardware Maintenance Manual (194 pages)

Table of Contents

Chapter 1. About this Manual

Chapter 2. Safety Information

Chapter 3. General Information

Chapter 4. General Checkout

Chapter 5. Diagnostics

Chapter 6. Using the Setup Utility Program

Chapter 7. Symptom-To-FRU Index

Chapter 8. Replacing Frus

Chapter 9. FRU Lists

Chapter 10. Additional Service Information

Appendix A. Notices

Index

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