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Lenovo ThinkPad E555 User Manual

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Contents

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

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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) . . . . . . . . . . . . . . . .

18

Chapter 2. Important service
information . . . . . . . . . . . . . .

25

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

25

Strategy for replacing a hard disk drive or a
solid-state drive . . . . . . . . . . . .

25

Important notice for replacing a system
board . . . . . . . . . . . . . . . .

26

How to use error codes . . . . . . . . .

26

Strategy for replacing FRUs for CTO, special-bid,
and standard models . . . . . . . . . . . .

26

Product definition . . . . . . . . . . . .

26

FRU identification . . . . . . . . . . .

26

Chapter 3. General checkout . . . . .

29

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

29

Checkout guide . . . . . . . . . . . . . .

30

Lenovo Solution Center . . . . . . . . .

30

Quick test programs. . . . . . . . . . .

30

UEFI diagnostic program . . . . . . . . .

31

Bootable diagnostic programs. . . . . . .

32

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

33

Checking the ac power adapter . . . . . .

33

Checking operational charging

. . . . . .

33

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

34

Checking the coin-cell battery . . . . . . .

34

Chapter 4. Related service
information . . . . . . . . . . . . . .

37

Restoring the factory contents by using the
Recovery Disc Set . . . . . . . . . . . . .

37

Recovery overview for the Windows 8 and
Windows 8.1 operating systems . . . . . . . .

38

Refreshing your computer . . . . . . . .

38

Resetting your computer to the factory default
settings. . . . . . . . . . . . . . . .

38

Using the advanced startup options . . . .

39

Recovering your operating system if Windows
8 or Windows 8.1 fails to start . . . . . . .

39

Creating and using recovery media . . . . .

40

Passwords . . . . . . . . . . . . . . . .

41

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

41

Hard disk password . . . . . . . . . . .

41

Supervisor password . . . . . . . . . .

42

How to remove the power-on password . . .

42

How to remove the hard disk password . . .

42

Power management

. . . . . . . . . . . .

43

Screen blank mode (for the Windows 7
operating system only) . . . . . . . . . .

43

Sleep mode . . . . . . . . . . . . . .

43

Hibernation mode

. . . . . . . . . . .

44

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

44

Numeric error codes

. . . . . . . . . .

45

Error messages

. . . . . . . . . . . .

46

Beep symptoms . . . . . . . . . . . .

47

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

47

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

47

Intermittent problems . . . . . . . . . .

48

Undetermined problems . . . . . . . . .

48

Chapter 5. Status indicators . . . . .

49

Chapter 6. Special keys . . . . . . . .

51

Chapter 7. Locations . . . . . . . . .

53

Locating computer controls, connectors, and
indicators. . . . . . . . . . . . . . . . .

53

Front view. . . . . . . . . . . . . . .

53

Rear view . . . . . . . . . . . . . . .

54

Bottom view . . . . . . . . . . . . . .

54

Locating FRUs and CRUs . . . . . . . . . .

54

Major FRUs and CRUs. . . . . . . . . .

56

LCD FRUs and CRUs . . . . . . . . . .

58

Miscellaneous kits and other FRUs . . . . .

59

Looking up FRU information . . . . . . . . .

59

Chapter 8. FRU replacement
notices . . . . . . . . . . . . . . . .

61

Screw notices . . . . . . . . . . . . . . .

61

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

62

Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . .

62

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

63

© Copyright Lenovo 2014

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