Lenovo MT 7438 Desktop Computer Manuals

Manuals and User Guides for Lenovo MT 7438 Desktop Computer. We have 1 Lenovo MT 7438 Desktop Computer manual available for free PDF download: Hardware Maintenance Manual

Lenovo MT 7438 Hardware Maintenance Manual

Lenovo MT 7438 Hardware Maintenance Manual (386 pages)

Hardware Maintenance Manual

Brand: Lenovo | Category: Laptop | Size: 8.06 MB

Table of Contents

Table of Contents
5
About this Manual

7
Safety Information

9
Important Service Information

47
- Strategy for Replacing Frus
  47
- Strategy for Replacing Frus for CTO, CMV, and GAV
  49
  - Product Definition
    49
  - FRU Identification for CTO, CMV, and GAV Products
    49
General Checkout

51
- What to Do First
  52
- Checkout Guide
  53
- Power System Checkout
  60
Related Service Information

63
- Restoring the Factory Contents by Using Product Recovery Discs
  63
- Restoring the Factory Contents by Using Recovery Disc Set
  64
- Passwords
  65
  - Power-On Password
    65
  - Hard-Disk Password
    65
  - Supervisor Password
    66
  - How to Remove the Power-On Password
    66
  - How to Remove the Hard-Disk Password
    67
- Power Management
  68
  - Screen Blank Mode
    68
  - Sleep (Standby) Mode
    68
  - Hibernation Mode
    69
- Symptom-To-FRU Index
  70
  - Numeric Error Codes
    70
  - Error Messages
    74
  - Beep Symptoms
    75
  - No-Beep Symptoms
    75
  - LCD-Related Symptoms
    76
  - Intermittent Problems
    77
  - Undetermined Problems
    77
Status Indicators

79
Fn Key Combinations

83
FRU Replacement Notices

87
- Screw Notices
  87
- Retaining Serial Numbers
  88
Removing and Replacing a FRU

91
2040 Bluetooth Daughter Card (BDC-2.1)

145
Locations

153
- Front View
  153
- Rear View
  154
- Bottom View
  155
Parts List

157
- Overall
  158
- LCD Frus
  285
- Keyboard
  356
- Miscellaneous Parts
  358
- AC Adapters
  360
- Power Cords
  361
- Recovery Discs
  362
- Common Service Tools
  382
Notices

383
- Trademarks
  384

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