Lenovo 27469NU Manuals

Manuals and User Guides for Lenovo 27469NU. We have 1 Lenovo 27469NU manual available for free PDF download: Hardware Maintenance Manual

Lenovo 27469NU Hardware Maintenance Manual

Lenovo 27469NU Hardware Maintenance Manual (218 pages)

Hardware Maintenance Manual

Brand: Lenovo | Category: Laptop | Size: 6.81 MB

Table of Contents

Table of Contents

5
- About this Manual
  7
Safety Information

9
Important Service Information

25
- Strategy for Replacing Frus
  25
- Strategy for Replacing Frus for CTO, CMV, and GAV
  27
  - Product Definition
    27
  - FRU Identification for CTO, CMV, and GAV Products
    27
- Important Information about Replacing Rohs Compliant Frus
  29
- General Checkout
  
  31
  - What to Do First
    32
  - Checkout Guide
    33
    
    Diagnostics Using PC-Doctor for DOS
    34
    
    PC-Doctor for Windows
    36
    
    PC-Doctor for Rescue and Recovery
    36
  - Power System Checkout
    37
    
    Checking the AC Adapter
    37
    
    Checking Operational Charging
    38
    
    Checking the Battery Pack
    38
    
    Checking the Backup Battery
    39
- Related Service Information
  
  41
  - Restoring the Factory Contents by Using Product Recovery Discs
    41
  - Passwords
    42
    
    Power-On Password
    42
    
    Hard-Disk Password
    42
    
    Supervisor Password
    42
    
    How to Remove the Power-On Password
    43
    
    How to Remove the Hard-Disk Password
    43
  - Power Management
    45
    
    Screen Blank Mode
    45
    
    Standby Mode
    45
    
    Hibernation Mode
    46
Symptom-To-Fru Index

47
- Numeric Error Codes
  47
- Numeric Error Codes
  49
- Error Messages
  52
- Beep Symptoms
  53
- No-Beep Symptoms
  53
- LCD-Related Symptoms
  54
- Intermittent Problems
  55
- Undetermined Problems
  55
Specifications

57
- Thinkpad SL400 and SL500
  
  57
- 1170 Bluetooth Daughter Card (BDC-2.1)
  
  96
1180 Intel Turbo Memory Minicard or Wireless Usb Adapter

97
1220 Top Case Sub Assembly (for Thinkpad Sl400)

103

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