thinkpad edge14 edge15 e40 e50.pdf

ThinkPad Edge 14

″

,Edge15

, E40, and

E50

Hardware Maintenance Manual

″

ThinkPad Edge 14

″

,Edge15

, E40, and

E50

Hardware Maintenance Manual

″

Note

Before using this information and the product it supports, be sure to read the general information under “Notices” on page

185.

First Edition (March 2010)

LENOVO products, data, computer software, and services have been developed exclusively at private expense and

are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted

rights to use, reproduction and disclosure.

LIMITED AND RESTRICTED RIGHTS NOTICE: If products, data, computer software, or services are delivered

pursuant a General Services Administration

GSA

″

contract, use, reproduction, or disclosure is subject to restrictions

set forth in Contract No. GS-35F-05925.

″

Contents

About this manual .......... v

No-beep symptoms . . . . . . . . . . . 6

LCD-related symptoms . . . . . . . . . 7

Intermittent problems . . . . . . . . . . 8

Undetermined problems . . . . . . . . . 8

Safety information .......... 1

General safety . . . . . . . . . . . . . . 2

Electrical safety . . . . . . . . . . . . . 3

Safety inspection guide . . . . . . . . . . . 5

Handling devices that are sensitive to electrostatic

discharge . . . . . . . . . . . . . . . 6

Grounding requirements . . . . . . . . . . 6

Safety notices (multilingual translations) . . . . . 7

Laser compliance statement (multilingual

translations) . . . . . . . . . . . . . . 8

Status indicators .......... 69

Special keys and Fn key combination 71

FRU replacement notices....... 73

Screw notices . . . . . . . . . . . . . . 3

Retaining serial numbers . . . . . . . . . . 4

Restoring the serial number of the system unit 74

Retaining the UUID . . . . . . . . . . 4

Reading or writing the ECA information . . . 75

Important service information..... 39

Strategy for replacing FRUs . . . . . . . . . 0

Strategy for replacing a hard disk drive . . . . 0

Important notice for replacing a system board . . 41

How to use error message . . . . . . . . 1

Strategy for replacing FRUs for CTO, CMV, and

GAV. . . . . . . . . . . . . . . . . 2

Product definition . . . . . . . . . . . 2

FRU identification for CTO, CMV, and GAV

products . . . . . . . . . . . . . . 2

Removing and replacing a FRU .... 77

1010 Battery pack . . . . . . . . . . . . 8

1020 ExpressCard blank bezel . . . . . . . . 9

1030 Optical drive or travel cover . . . . . . . 0

1040 Thermal cover. . . . . . . . . . . . 1

1050 Hard disk drive (HDD) assembly . . . . . 2

1060 DIMM . . . . . . . . . . . . . . 4

1070 Fan assembly . . . . . . . . . . . . 5

1080 CPU . . . . . . . . . . . . . . . 9

1090 Wireless WAN slot cover and PCI Express Mini

Card for wireless WAN . . . . . . . . . . 0

1100 Palm rest assembly with cables . . . . . . 3

1110 PCI Express Mini Card for wireless LAN . . . 96

1120 Backup battery . . . . . . . . . . . 8

1130 Bluetooth daughter card (BDC-2) . . . . . 9

1140 Keyboard . . . . . . . . . . . . . 0

1150 Keyboard bezel . . . . . . . . . . . 3

1160 LCD unit . . . . . . . . . . . . . 6

1170 Top shielding assembly . . . . . . . . 0

1180 System board assembly . . . . . . . . 2

1190 USB connector board and USB cable assembly 117

1200 DC-in cable and base cover . . . . . . . 9

2010 LCD front bezel . . . . . . . . . . . 4

2020 Speaker assembly . . . . . . . . . . 5

2030 Integrated camera . . . . . . . . . . 6

2040 Hinges, LCD panel, LCD cable, and LCD rear

cover assembly . . . . . . . . . . . . . 7

2050 Antenna assembly . . . . . . . . . . 0

General checkout .......... 45

What to do first . . . . . . . . . . . . . 6

Checkout guide . . . . . . . . . . . . . 7

Diagnostics using PC-Doctor for DOS . . . . 7

Lenovo ThinkVantage Toolbox (Lenovo System

Toolbox) . . . . . . . . . . . . . . 0

PC-Doctor for Rescue and Recovery . . . . . 0

FRU tests . . . . . . . . . . . . . . 1

Power system checkout . . . . . . . . . . 3

Checking the ac adapter . . . . . . . . . 3

Checking operational charging . . . . . . . 3

Checking the battery pack . . . . . . . . 4

Checking the backup battery . . . . . . . 4

Related service information...... 57

Restoring the factory contents by using Recovery

Disc Set . . . . . . . . . . . . . . . 7

Passwords . . . . . . . . . . . . . . . 8

Power-on password . . . . . . . . . . 9

Hard-disk password . . . . . . . . . . 9

Supervisor password . . . . . . . . . . 9

How to remove the power-on password . . . . 9

How to remove the hard-disk password . . . . 0

Power management . . . . . . . . . . . 2

Screen blank mode . . . . . . . . . . . 2

Sleep mode . . . . . . . . . . . . . 2

Hibernation mode . . . . . . . . . . . 2

Symptom-to-FRU index . . . . . . . . . . 3

Numeric error codes . . . . . . . . . . 3

Error messages . . . . . . . . . . . . 6

Locations ............. 131

Front view . . . . . . . . . . . . . . 1

Rear view . . . . . . . . . . . . . . 3

Bottom view. . . . . . . . . . . . . . 3

Parts list ............. 135

Overall . . . . . . . . . . . . . . . 6

LCD FRUs . . . . . . . . . . . . . . 0

Keyboard. . . . . . . . . . . . . . . 1

iii

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