User Manuals: Lenovo MT 4241 Power Supply

Manuals and User Guides for Lenovo MT 4241 Power Supply. We have 1 Lenovo MT 4241 Power Supply manual available for free PDF download: Hardware Maintenance Manual

Lenovo MT 4241 Hardware Maintenance Manual

Lenovo MT 4241 Hardware Maintenance Manual (178 pages)

Mobile Workstation

Brand: Lenovo | Category: Laptop | Size: 13.11 MB

Table of Contents

Table of Contents
5
About this Manual

7
Chapter 1. Safety Information

9
Chapter 2. Important Service Information

31
- Strategy for Replacing Frus
  31
- Strategy for Replacing Frus for CTO, CMV, and GAV
  32
  - Product Definition
    32
  - FRU Identification for CTO, CMV, and GAV Products
    33
Chapter 3. General Checkout

35
- What to Do First
  35
- Checkout Guide
  36
  - Diagnostics Using PC-Doctor for DOS
    36
  - Testing the Computer
    37
  - Lenovo Thinkvantage Toolbox
    38
  - FRU Tests
    39
- Power System Checkout
  40
Chapter 4. Related Service Information

43
- Restoring the Factory Contents by Using Recovery Disc Set
  43
- Passwords
  44
  - Power-On Password
    44
  - Hard-Disk Password
    44
  - Supervisor Password
    45
  - How to Remove the Power-On Password
    45
  - How to Remove the Hard-Disk Password
    45
- Power Management
  46
  - Screen Blank Mode
    46
  - Sleep (Standby) Mode
    46
  - Hibernation Mode
    47
- Symptom-To-FRU Index
  47
  - Numeric Error Codes
    48
  - Error Messages
    49
  - Beep Symptoms
    50
  - No-Beep Symptoms
    51
  - LCD-Related Symptoms
    51
  - Intermittent Problems
    51
  - Undetermined Problems
    52
  - Copyright Lenovo
    53
Chapter 5. Installing and Configuring RAID

53
Chapter 6. Status Indicators

55
Chapter 7. Fn Key Combinations

59
Chapter 8. FRU Replacement Notices

63
- Screw Notices
  63
- Retaining Serial Numbers
  64
Chapter 9. Removing and Replacing a FRU

67
1110 Bluetooth Daughter Card (BDC-3.0)

86
Chapter 10. Locations

113
- Front View
  113
- Rear View
  114
- Bottom View
  115
Chapter 11. Parts List

117
- Overall
  118
- LCD Frus
  159
- Keyboard
  166
- Miscellaneous Parts
  167
- AC Adapters
  168
- Power Cords
  169
- Recovery Discs
  170
- Common Service Tools
  174
Appendix A. Notices

175
- Electronic Emissions Notices
  176
- Trademarks
  176

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