Lenovo ThinkPad Edge S420 Manuals

Manuals and User Guides for Lenovo ThinkPad Edge S420. We have 1 Lenovo ThinkPad Edge S420 manual available for free PDF download: Hardware Maintenance Manual

Lenovo ThinkPad Edge S420 Hardware Maintenance Manual

Lenovo ThinkPad Edge S420 Hardware Maintenance Manual (114 pages)

Hardware Maintenance Manual

Brand: Lenovo | Category: Laptop | Size: 16.85 MB

Table of Contents

Table of Contents
3
About this Manual

5
Chapter 1. Safety Information

7
Chapter 2. Important Service Information

33
- Strategy for Replacing Frus
  33
- Strategy for Replacing Frus for CTO, CMV, and GAV
  34
  - Product Definition
    34
  - FRU Identification for CTO, CMV, and GAV Products
    35
Chapter 3. General Checkout

37
Chapter 4. Related Service Information

47
- Restoring the Factory Contents by Using Recovery Disc Set
  47
- Passwords
  48
  - Power-On Password
    48
  - Hard-Disk Password
    48
  - Supervisor Password
    49
  - How to Remove the Power-On Password
    49
  - How to Remove the Hard-Disk Password
    49
- Power Management
  50
  - Screen Blank Mode
    50
  - Sleep (Standby) Mode
    50
  - Hibernation Mode
    51
- Symptom-To-FRU Index
  51
  - Numeric Error Codes
    52
  - Error Messages
    52
  - No-Beep Symptoms
    52
  - LCD-Related Symptoms
    53
  - Intermittent Problems
    53
  - Undetermined Problems
    53
  - Copyright Lenovo
    55
Chapter 5. Status Indicators

55
Chapter 6. Special Keys

57
Chapter 7. FRU Replacement Notices

59
- Screw Notices
  59
- Retaining Serial Numbers
  60
Chapter 8. Removing and Replacing a FRU

63
Chapter 9. Locations

93
- Front View
  93
- Rear View
  94
- Bottom View
  94
Chapter 10. Parts List

95
- Overall
  96
- Keyboard
  102
- Miscellaneous Parts
  103
- AC Power Adapters
  103
- Power Cords
  103
- Recovery Discs
  104
- Common Service Tools
  109
Appendix A. Notices

111
- Electronic Emissions Notices
  112
- Trademarks
  112

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