Lenovo 7812 Gaming Desktop Computer Manuals

Manuals and User Guides for Lenovo 7812 Gaming Desktop Computer. We have 1 Lenovo 7812 Gaming Desktop Computer manual available for free PDF download: Hardware Maintenance Manual

Lenovo 7812 Hardware Maintenance Manual (224 pages)

Machine Types 7812, 7813, 7814, 7815, 7816, 7817, 7818, 7819, 9680, 9681, 9682, 9683, 9684, 9685, 9686, 9687, 9688, 9689, 9690, 9691

Brand: Lenovo | Category: Desktop | Size: 8.22 MB

Table of Contents

5
Diagnostic Error Codes

62
- Flash the System. See "Flash Update
  62
  - System Board
    62
  - Procedures
    63
  - System Board
    64
  - Reboot the System
    64
  - Flash the System. See "Flash Update Procedures
    64
  - Run Memory Test
    64
  - Procedures
    64
  - System Board
    66
  - Flash the System. See "Flash Update
    66
  - System Board Information Only Re-Start the Test, if Necessary
    67
Run Setup

76
- Make Sure the Component that Is Called
  77
- Re-Run Test
  77
- Re-Start the Test to Reset the Log File
  77
- If a Component Is Called Out, Make Sure
  78
- Replace the Component that Is Called out
  78
- Replace the Component under Test
  78
- System Board no Action
  80
- Beep Symptoms
  83
- POST Error Codes
  84
- Miscellaneous Error Messages
  86
- Undetermined Problems
  87
- Chapter 8. Replacing Frus (Types 7812, 7813, 7814, 7815, 9680, 9681, 9682, 9683, 9684, and 9685)
  
  89
  - Rear Connectors
    90
  - Removing the Cover
    91
  - Locations
    92
  - Locating Parts on the System Board
    93
    
    Machine Types 7812, 7813, 9680 and 9681
    93
    
    Machine Types 7814, 7815, 9682 and 9683
    94
    
    Machine Types 9684 and 9685
    95
  - Accessing System Board Components and Drives
    96
  - Replacing a Memory Module
    98
  - Replacing the CMOS Battery
    100
  - Replacing the Power Supply
    101
  - Replacing the System Board
    103
    
    Types 7812, 7813, 9680, and 9681
    103
    
    Types 7814, 7815, 9682, 9683, 9684, and 9685
    110
    
    Replacing the Microprocessor
    110
    
    Types 7812, 7813, 9680 and 9681
    110
    
    Types 7814, 7815, 9682, 9683, 9684, and 9685
    114
  - Replacing the Hard Disk Drive
    118
  - Replacing an Optical Drive
    120
  - Replacing the Diskette Drive
    121
  - Replacing the Power Switch/Led Assembly
    122
  - Replacing the Front Panel Card
    123
  - Replacing the System Fan Assembly
    123
  - Replacing a PCI Adapter
    125
  - Completing the FRU Replacement
    126
- Chapter 9. Replacing Frus (Types 7816, 7817, 7818, 7819, 9686, 9687, 9688, 9689, 9690, and 9691)
  
  127
  - Rear Connectors
    128
  - Removing the Cover
    129
  - Locations
    130
  - Locating Parts on the System Board
    131
    
    Machine Types 7816, 7817, 9686 and 9687
    131
    
    Machine Types 7818, 7819, 9688 and 9689
    132
    
    Machine Types 9690 and 9691
    133
  - Removing and Replacing the Front Bezel
    134
  - Replacing the Power Supply
    135
  - Replacing the System Board
    136
    
    Types 7816, 7817, 9686 and 9687
    136
    
    Types 7818, 7819, 9688, 9689, 9690, and 9691
    145
    
    Types 7816, 7817, 9686 and 9687
    145
    
    Replacing the Microprocessor
    145
    
    Types 7818, 7819, 9688, 9689, 9690, and 9691
    148
  - Replacing a Memory Module
    152
  - Replacing a PCI Adapter
    154
  - Replacing the Hard Disk Drive
    156
  - Replacing an Optical Drive
    159
  - Replacing the Diskette Drive
    160
  - Replacing the Rear Fan Assembly
    161
  - Replacing the Front Fan Assembly
    163
  - Replacing the Front Audio/Usb Assembly
    165
  - Replacing the Power Switch/Led Assembly
    166
  - Replacing the CMOS Battery
    166
  - Completing the FRU Replacement
    167
- Chapter 10. FRU Lists
  
  169
  - Machine Type 9680
    169
  - Machine Type 9681
    171
  - Machine Type 9682
    178
  - Machine Type 9683
    180
  - Machine Type 9684
    184
  - Machine Type 9685
    187
  - Machine Type 9686
    191
  - Machine Type 9687
    194
  - Machine Type 9688
    200
  - Machine Type 9689
    203
  - Machine Type 9690
    207
  - Machine Type 9691
    211
- Chapter 11. Additional Service Information
  
  217
  - Security Features
    217
    
    Hardware Controlled Passwords
    217
    
    Operating System Password
    217
    
    Vital Product Data
    217
  - BIOS Levels
    217
  - Flash Update Procedures
    217
    
    Updating (Flashing) BIOS from a CD-ROM or Diskette
    218
  - Recovering from a POST/BIOS Update Failure
    218
  - Power Management
    219
    
    Automatic Configuration and Power Interface (ACPI) BIOS
    219
    
    Automatic Power-On Features
    219
- Appendix. Notices
  
  221
  - Television Output Notice
    222
  - Trademarks
    222

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Lenovo 7812 Gaming Desktop Computer Manuals

Lenovo 7812 Hardware Maintenance Manual (224 pages)

Table of Contents

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

Chapter 7. Symptom-To-FRU Index

Diagnostic Error Codes

Run Setup

Chapter 8. Replacing Frus (Types 7812, 7813, 7814, 7815, 9680, 9681, 9682, 9683, 9684, and 9685)

Chapter 9. Replacing Frus (Types 7816, 7817, 7818, 7819, 9686, 9687, 9688, 9689, 9690, and 9691)

Chapter 10. FRU Lists

Chapter 11. Additional Service Information

Appendix. Notices

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