Lenovo 277627U Manuals

Manuals and User Guides for Lenovo 277627U. We have 1 Lenovo 277627U manual available for free PDF download: Hardware Maintenance Manual

Lenovo 277627U Hardware Maintenance Manual

Lenovo 277627U Hardware Maintenance Manual (180 pages)

Lenovo Computer Hardware User Manual

Brand: Lenovo | Category: Laptop | Size: 7.65 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

81
FRU Replacement Notices

85
- Screw Notices
  85
- Retaining Serial Numbers
  86
Removing and Replacing a FRU

89
1110 Bluetooth Daughter Card (BDC-2)

112
- 1120 Keyboard Bezel
  113
- 1130 Audio FPC and Audio Sub Card
  116
- 1140 Speaker Assembly
  118
- 1150 LCD Assembly
  119
- 1160 VGA Cable and DC-In Connector
  122
- 1170 System Board, Fan, and Base Cover Assembly
  124
- 2010 LCD Bezel Assembly
  130
- 2020 LCD Panel and LCD Cable
  131
- 2030 Integrated Camera
  135
- 2040 Antenna Assembly
  136
- 2050 Hinge L and Hinge R
  139
- 2060 LED Sub Card, LED Cable and LCD Cover Assembly
  141
Locations

143
- Front View
  143
- Rear View
  144
- Bottom View
  144
Parts List

145
- Overall
  146
- LCD Frus
  156
- Keyboard
  158
- Miscellaneous Parts
  159
- AC Adapters
  161
- Power Cords
  162
- Recovery Discs
  163
- Common Service Tools
  175
Notices

177
- Trademarks
  178

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