Lenovo ThinkCentre 8421 Desktop Computer Manuals

Lenovo ThinkCentre 8421 Hardware Maintenance Manual (352 pages)

Lenovo Desktop Computer Hardware Maintenance Manual

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

Table of Contents
5
Chapter 1. About this Manual

7
Chapter 2. Safety Information

11
Chapter 3. General Information

47
Chapter 4. General Checkout

51
- Problem Determination Tips
  52
Chapter 5. Diagnostics Using PC-Doctor for DOS

55
Chapter 6. Using the Setup Utility

61
Chapter 7. Symptom-To-FRU Index

65
- Hard Disk Drive Boot Error
  65
- Power Supply Errors
  65
- Diagnostic Error Codes
  67
- Beep Symptoms
  88
- No-Beep Symptoms
  90
- POST Error Codes
  91
- Miscellaneous Error Messages
  94
- Undetermined Problems
  96
Chapter 8. Replacing Frus (Types 8095, 8141, 8142, 8145, 8420, and 8421)

97
Chapter 9. Replacing Frus (Types 8143, 8144, 8146, 8422, 8423, and 8427)

121
Chapter 10. Replacing Frus (Types 8098, 8171, 8172, 8173, 8424, and 8425)

143
Chapter 11. FRU Lists

167
- Machine Type 8095
  167
- Machine Type 8098
  173
- Machine Type 8141
  178
- Machine Type 8142
  193
- Machine Type 8143
  204
- Machine Type 8144
  220
- Machine Type 8145
  230
- Machine Type 8146
  237
- Machine Type 8171
  243
- Machine Type 8172
  261
- Machine Type 8173
  271
- Machine Type 8420
  278
- Machine Type 8421
  286
- Machine Type 8422
  293
- Machine Type 8423
  304
- Machine Type 8424
  316
- Machine Type 8425
  325
- Machine Type 8427
  334
Chapter 12. Additional Service Information

343
- Security Features
  343
  - Hardware Controlled Passwords
    343
  - Operating System Password
    343
- Vital Product Data
  343
  - Management Information Format (MIF)
    343
- BIOS Levels
  344
- Flash Update Procedures
  344
- Power Management
  346
  - Automatic Configuration and Power Interface (ACPI) BIOS
    346
  - Automatic Power-On Features
    346
- Recovering Software Using the Rescue and Recovery Program
  347
  - Starting the Rescue and Recovery Workspace
    347
Appendix. Notices

349
- Television Output Notice
  350
- Trademarks
  350

Lenovo ThinkCentre 8421 User Manual (62 pages)

Lenovo User Guide Personal Computer 8095, 8096, 8141, 8142, 8145, 8420, 8421, 8426

Brand: Lenovo | Category: Desktop | Size: 1.61 MB

Table of Contents
5
Conditions that Require Immediate Action
7
Important Safety Information

7
- General Safety Guidelines
  8
  - Service
    8
  - Power Cords and Power Adapters
    9
  - Extension Cords and Related Devices
    9
  - Plugs and Outlets
    10
  - Batteries
    10
  - Heat and Product Ventilation
    11
  - CD and DVD Drive Safety
    11
- Additional Safety Information
  12
- Lithium Battery Notice
  12
- Laser Compliance Statement
  13
- Modem Safety Information
  13
- Power Supply Statement
  14
- Information Resources
  15
Overview

15
Chapter 1. Installing Options

17
- Features
  17
- Specifications
  20
- Available Options
  21
- Tools Required
  21
- Handling Static-Sensitive Devices
  21
  - PCI Express (X1) Adapter
    21
- Installing External Options
  22
- Removing the Cover
  26
- Locating Components
  27
- Identifying Parts on the System Board
  27
- Installing Memory
  28
  - PCI Adapter Connector
    28
  - PCI Express (X16) Graphics Adapter Connector
    28
  - Battery
    28
  - Microprocessor and Heat Sink
    28
- Installing Adapters
  30
- Installing Internal Drives
  32
  - Drive Specifications
    32
  - Installing a Drive
    33
- Installing Security Features
  36
  - Padlock Loop
    37
  - Password Protection
    37
- Changing the Battery
  37
- Erasing a Lost or Forgotten Password (Clearing CMOS)
  39
- Replacing the Cover and Connecting the Cables
  39
Chapter 2. Using the Setup Utility Program

41
Appendix A. Updating System Programs

45
- System Programs
  45
  - Updating (Flashing) BIOS from a Diskette
    45
  - Updating (Flashing) BIOS from Your Operating System
    45
- Recovering from a POST/BIOS Update Failure
  46
Appendix B. Cleaning the Mouse

47
- Cleaning an Optical Mouse
  47
- Cleaning a Mouse with a Ball
  47
Appendix C. Manual Modem Commands

49
- Basic at Commands
  49
- Extended at Commands
  51
- Mnp/V.42/V.42Bis/V.44 Commands
  52
- Fax Class 1 Commands
  53
- Fax Class 2 Commands
  53
- Voice Commands
  54
Appendix D. Notices

57
- Television Output Notice
  58
- Trademarks
  58
Index

59

Lenovo ThinkCentre 8421 Hardware Removal And Replacement Manual (28 pages)

Hardware removal and replacement guide (English)

Brand: Lenovo | Category: Desktop | Size: 0.74 MB

(Spanish) Lenovo ThinkCentre 8421 Hardware Manual (28 pages)

Hardware removal and replacement guide (Spanish)

Brand: Lenovo | Category: Desktop | Size: 1.14 MB

(French) Lenovo ThinkCentre 8421 Hardware Manual (32 pages)

Hardware removal and replacement guide (French)

Brand: Lenovo | Category: Desktop | Size: 0.8 MB

(Portuguese) Lenovo ThinkCentre 8421 Guía De Desmontaje Y Sustitución De Hardware (28 pages)

Hardware removal and replacement guide (Brazilian Portuguese)

Brand: Lenovo | Category: Desktop | Size: 1.14 MB

(Italian) Lenovo ThinkCentre 8421 Hardware Manual (28 pages)

Hardware removal and replacement guide (Italian)

Brand: Lenovo | Category: Desktop | Size: 1.13 MB

(German) Lenovo ThinkCentre 8421 Handbuch (28 pages)

Hardware removal and replacement guide (German)

Brand: Lenovo | Category: Desktop | Size: 1.14 MB

(Swedish) Lenovo ThinkCentre 8421 Handbok (26 pages)

Hardware removal and replacement guide (Swedish)

Brand: Lenovo | Category: Desktop | Size: 1.12 MB

(Dutch) Lenovo ThinkCentre 8421 Hardware Manual (26 pages)

Hardware removal and replacement guide (Dutch)

Brand: Lenovo | Category: Desktop | Size: 1.13 MB

(Finnish) Lenovo ThinkCentre 8421 Hardware Manual (28 pages)

Hardware removal and replacement guide (Finnish)

Brand: Lenovo | Category: Desktop | Size: 1.12 MB

(Norwegian) Lenovo ThinkCentre 8421 Hardware Manual (26 pages)

Hardware removal and replacement guide (Norwegian)

Brand: Lenovo | Category: Desktop | Size: 1.12 MB

(Danish) Lenovo ThinkCentre 8421 Hardware Manual (26 pages)

Hardware removal and replacement guide (Danish)

Brand: Lenovo | Category: Desktop | Size: 1.13 MB

() Lenovo ThinkCentre 8421 Hardware Manual (28 pages)

Hardware removal and replacement guide (Traditional Chinese)

Brand: Lenovo | Category: Desktop | Size: 1.37 MB

Lenovo ThinkCentre 8421 Desktop Computer Manuals

Table of Contents

Chapter 1. About this Manual

Chapter 2. Safety Information

Chapter 3. General Information

Chapter 4. General Checkout

Chapter 5. Diagnostics Using PC-Doctor for DOS

Chapter 6. Using the Setup Utility

Chapter 7. Symptom-To-FRU Index

Chapter 8. Replacing Frus (Types 8095, 8141, 8142, 8145, 8420, and 8421)

Chapter 9. Replacing Frus (Types 8143, 8144, 8146, 8422, 8423, and 8427)

Chapter 10. Replacing Frus (Types 8098, 8171, 8172, 8173, 8424, and 8425)

Chapter 11. FRU Lists

Chapter 12. Additional Service Information

Appendix. Notices

Table of Contents

Important Safety Information

Overview

Chapter 1. Installing Options

Chapter 2. Using the Setup Utility Program

Appendix A. Updating System Programs

Appendix B. Cleaning the Mouse

Appendix C. Manual Modem Commands

Appendix D. Notices

Index

Table of Contents

Overview

Replacing Customer Replaceable Units (Crus)

Table of Contents

Visión General

Por el Cliente (CRU).

Sustitución de las Unidades Sustituibles por el Cliente (CRU)

Table of Contents

Avis Aux Lecteurs Canadiens

Présentation

Remplacement des Unités Remplaçables Par L'utilisateur (CRU)

Table of Contents

Visão Geral

Substituindo Crus (Unidades Substituíveis Pelo Cliente)

Table of Contents

Panoramica

Sostituzione Delle Unità CRU (Customer Replaceable Unit)

Table of Contents

Übersicht

Durch den Kunden Austauschbare Funktionseinheiten (Crus) Austauschen

Table of Contents

Översikt

Ersätta CRU-Delar

Table of Contents

Overzicht

Customer Replaceable Units (Cru's) Vervangen

Table of Contents

Esittely

Asiakkaan Vaihdettavissa Olevien Osien Vaihto

Table of Contents

Oversikt

Bytte Utskiftbare Enheter (Cruer)

Table of Contents

Oversigt

Udskiftning Af CRU-Dele (Customer Replaceable Units)

Table of Contents

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