ThinkPad Edge E540 Maintenance Manual

ThinkPad

Laptop


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Table of Contents
  • About this manual

    5
  • Chapter 1. Safety information

    7
  • Electrical safety

    8
  • Safety inspection guide

    9
  • Grounding requirements

    10
  • Chapter 2. Important service information

    29
  • Solid-state drive

    30
  • FRU identification

    31
  • Chapter 3. General checkout

    33
  • Checkout guide

    34
  • UEFI diagnostic program

    35
  • Power system checkout

    36
  • Checking operational charging

    37
  • Checking the coin-cell battery

    38
  • Chapter 4. Related service information

    39
  • Recovery overview for the Windows 8 operating system

    40
  • Using the advanced startup options

    41
  • Hard disk password

    43
  • Screen blank mode (for the Windows

    44
  • Hibernation mode

    45
  • Numeric error codes

    46
  • Error messages

    48
  • LCD-related symptoms

    49
  • Chapter 5. Status indicators

    51
  • Chapter 6. Special keys

    53
  • Chapter 7. Locations

    55
  • Rear view

    56
  • Major FRUs and CRUs

    58
  • LCD FRUs and CRUs

    60
  • Miscellaneous kits and other FRUs

    63
  • Chapter 8. FRU replacement notices

    65
  • Retaining serial numbers

    66
  • Retaining the UUID

    67
  • General guidelines

    69
  • Removing the SIM card

    70
  • Lenovo-OneLink-connector cover

    71
  • Large bottom cover

    72
  • Small bottom cover

    73
  • Optical drive or optical-drive bay bezel

    74
  • Memory modules

    75
  • Hard disk drive or solid-state drive

    76
  • Wireless WAN card or M.2 solid-state drive

    78
  • Wireless LAN card

    81
  • Coin-cell battery

    82
  • Keyboard

    85
  • Keyboard bezel assembly

    91
  • Microprocessor

    93
  • System board

    94
  • Media-card-reader/USB card

    98
  • Optical-drive card

    99
  • DC-in bracket

    101
  • DC-in/Ethernet card

    102
  • Speaker assembly

    103
  • Power-button card

    105
  • LCD unit

    106
  • Base cover assembly

    110
  • For models with non-touch screen

    112
  • LCD panel

    113
  • LCD hinges

    114
  • Camera/microphone module

    116
  • LCD cables

    117
  • Wireless-LAN/WAN antenna assembly and LCD rear cover

    118
  • For models with touch screen

    120
  • LCD panel/screen assembly and LCD rear cover

    122
  • LCD cables and camera/microphone module

    123
  • LCD-control-card cable

    124
  • Wireless LAN antenna

    126
  • Appendix A. Notices

    129
  • Electronic emission notices

    130
  • Appendix B. Abbreviation and acronym table

    131

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