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Lenovo ThinkPad Edge E445

Tags : LenovoThinkPadEdgeE44520B1 
Lenovo ThinkPad Edge E445 Hardware Maintenance Manual

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Description

Lenovo ThinkPad Edge E445 Hardware Maintenance Manual
First Edition (June 2013) - 113 pages

This manual contains service and reference information for the following ThinkPad® products:

ThinkPad Edge E445 Machine Type (MT) 20B1

Use this manual along with the advanced diagnostic tests to troubleshoot problems.

Contents
About this manual. . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . 2
Safety inspection guide . . . . . . . . . . . . 3
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Laser compliance statement (multilingual
translations) . . . . . . . . . . . . . . . . 17
Chapter 2. Important service
information . . . . . . . . . . . . . . 23
Strategy for replacing FRUs . . . . . . . . . 23
Strategy for replacing a hard disk drive . . . 24
Important notice for replacing a system
board . . . . . . . . . . . . . . . . 24
How to use error codes . . . . . . . . . 24
Strategy for replacing FRUs for CTO, special bid
model, and standard model . . . . . . . . . 24
Product definition . . . . . . . . . . . . 24
FRU identification. . . . . . . . . . . . 25
Chapter 3. General checkout . . . . . 27
What to do first . . . . . . . . . . . . . . 27
Checkout guide . . . . . . . . . . . . . . 28
Lenovo Solution Center . . . . . . . . . 28
Quick test programs. . . . . . . . . . . 28
UEFI diagnostic program . . . . . . . . . 29
Bootable diagnostic programs. . . . . . . 29
Power system checkout . . . . . . . . . . . 30
Checking the ac power adapter . . . . . . 30
Checking operational charging . . . . . . 31
Checking the battery pack . . . . . . . . 31
Checking the backup battery . . . . . . . 32
Chapter 4. Related service
information . . . . . . . . . . . . . . 33
Restoring the factory contents using the recovery
disc set . . . . . . . . . . . . . . . . . 33
Using the Windows recovery programs on the
Windows 8 operating system . . . . . . . . . 34
Passwords . . . . . . . . . . . . . . . . 36
Power-on password . . . . . . . . . . . 37
Hard disk password . . . . . . . . . . . 37
Supervisor password . . . . . . . . . . 37
How to remove the power-on password . . . 37
How to remove the hard disk password . . . 38
Power management . . . . . . . . . . . . 38
Screen blank mode (for the Windows 7
operating system only) . . . . . . . . . . 38
Sleep mode . . . . . . . . . . . . . . 38
Hibernation mode . . . . . . . . . . . 39
Symptom-to-FRU index . . . . . . . . . . . 39
Numeric error codes . . . . . . . . . . 40
Error messages . . . . . . . . . . . . 41
Beep symptoms . . . . . . . . . . . . 42
No-beep symptoms . . . . . . . . . . . 42
LCD-related symptoms . . . . . . . . . 42
Intermittent problems . . . . . . . . . . 43
Undetermined problems . . . . . . . . . 43
Chapter 5. Status indicators . . . . . 45
Chapter 6. Special keys . . . . . . . . 47
Chapter 7. Locations . . . . . . . . . 49
Locating computer controls, connectors, and
indicators. . . . . . . . . . . . . . . . . 49
Front view. . . . . . . . . . . . . . . 49
Rear view . . . . . . . . . . . . . . . 50
Bottom view . . . . . . . . . . . . . . 50
Locating FRUs and CRUs . . . . . . . . . . 50
Major FRUs and CRUs. . . . . . . . . . 52
LCD FRUs and CRUs . . . . . . . . . . 54
Miscellaneous parts and other FRUs . . . . 55
Looking up FRU information . . . . . . . . . 55
Chapter 8. FRU replacement
notices . . . . . . . . . . . . . . . . 57
Screw notices . . . . . . . . . . . . . . . 57
Retaining serial numbers. . . . . . . . . . . 58
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . 58
Retaining the UUID . . . . . . . . . . . 59
Reading or writing the ECA information . . . 59
Chapter 9. Removing or replacing a
FRU . . . . . . . . . . . . . . . . . . 61
General guidelines . . . . . . . . . . . . . 61
1010 Battery pack . . . . . . . . . . . . . 62
1020 Large bottom cover . . . . . . . . . . 62
1030 Small bottom cover . . . . . . . . . . 63
1040 Optical drive or blank bezel . . . . . . . 64
1050 Memory modules . . . . . . . . . . . 65
1060 Hard disk drive assembly . . . . . . . . 66
1070 PCI Express Mini Card for wireless LAN and
wireless LAN card bracket . . . . . . . . . . 68
1080 Backup battery . . . . . . . . . . . . 70
1090 Thermal fan . . . . . . . . . . . . . 71
1100 Thermal pipes. . . . . . . . . . . . . 71
1110 Keyboard . . . . . . . . . . . . . . 73
1120 Keyboard bezel . . . . . . . . . . . . 76
1130 Microprocessor . . . . . . . . . . . . 78
1140 System board assembly. . . . . . . . . 79
1150 Speaker assembly . . . . . . . . . . . 82
1160 Card reader subcard . . . . . . . . . . 84
1170 Power button sub card . . . . . . . . . 84
1180 I/O sub card with USB connector and audio
jack . . . . . . . . . . . . . . . . . . . 85
1190 RJ45 sub card . . . . . . . . . . . . 87
1200 LCD unit . . . . . . . . . . . . . . . 89
1210 Base cover assembly and DC-in connector . 91
2010 LCD bezel assembly . . . . . . . . . . 94
2020 LCD panel and hinges . . . . . . . . . 95
2030 Camera assembly and LCD cables with dual
microphones . . . . . . . . . . . . . . . 97
2040 Wireless antenna assembly and LCD rear
cover assembly . . . . . . . . . . . . . . 99
Appendix A. Notices . . . . . . . . . 101
Electronic emission notices. . . . . . . . . . 102
Trademarks . . . . . . . . . . . . . . . . 102
Abbreviation table . . . . . . . . . . . . . 102
ii Hardware




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