Lenovo 440128U Manuals

Manuals and User Guides for Lenovo 440128U. We have 2 Lenovo 440128U manuals available for free PDF download: Hardware Maintenance Manual, Brochure

Lenovo 440128U Hardware Maintenance Manual

Lenovo 440128U Hardware Maintenance Manual (104 pages)

Machine Type (MT) 4401

Brand: Lenovo | Category: Laptop | Size: 15.95 MB

Table of Contents

Table of Contents
3
About this Manual

5
Chapter 1. Safety Information

7
Chapter 2. Important Service Information

29
- Strategy for Replacing Frus
  29
- Strategy for Replacing Frus for CTO, CMV, and GAV
  30
  - Product Definition
    30
  - FRU Identification for CTO, CMV, and GAV Products
    31
Chapter 3. General Checkout

33
- What to Do First
  33
- Checkout Guide
  34
  - Diagnostics Using PC-Doctor for DOS
    34
  - Testing the Computer
    35
  - Lenovo Thinkvantage Toolbox
    36
  - FRU Tests
    37
- Power System Checkout
  38
Chapter 4. Related Service Information

41
- Restoring the Factory Contents by Using Recovery Disc Set
  41
- Passwords
  42
  - Power-On Password
    42
  - Hard-Disk Password
    42
  - Supervisor Password
    43
  - How to Remove the Power-On Password
    43
  - How to Remove the Hard-Disk Password
    43
- Power Management
  44
  - Screen Blank Mode
    44
  - Sleep (Standby) Mode
    44
  - Hibernation Mode
    45
- Symptom-To-FRU Index
  45
  - Numeric Error Codes
    46
  - Error Messages
    46
  - No-Beep Symptoms
    47
  - LCD-Related Symptoms
    47
  - Intermittent Problems
    47
  - Undetermined Problems
    48
  - Copyright Lenovo
    49
Chapter 5. Status Indicators

49
Chapter 6. Special Keys

51
Chapter 7. FRU Replacement Notices

53
- Screw Notices
  53
- Retaining Serial Numbers
  54
Chapter 8. Removing and Replacing a FRU

57
Chapter 9. Locations

87
- Front View
  87
- Rear View
  88
- Bottom View
  88
Chapter 10. Parts List

89
- Overall
  90
- LCD Frus
  93
- Keyboard
  95
- Miscellaneous Parts
  96
- AC Power Adapters
  96
- Power Cords
  97
- Recovery Discs
  98
- Common Service Tools
  102
- Notices
  103
  - Electronic Emissions Notices
    103
  - Trademarks
    104

Advertisement

Lenovo 440128U Brochure

Lenovo 440128U Brochure (4 pages)

Brochure

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

Advertisement

Related Products

Lenovo Categories

Laptop

Desktop

Monitor

More Lenovo Manuals