Lenovo V4400u Hardware Maintenance Manual - Lenovo V4400u - Page 3

Contents, FRU replacement

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Contents About this manual iii Chapter 1. Safety information . . . . . 1 General safety 1 Electrical safety 1 Safety inspection guide 3 Handling devices that are sensitive to electrostatic discharge 3 Grounding requirements 4 Safety notices (multilingual translations) . . . . . 4 Chapter 2. General checkout . . . . . 21 What to do first 21 Power system checkout 22 Checking the ac power adapter 22 Checking operational charging 23 Checking the battery pack 23 Chapter 3. Important service information 25 Recovering the computer settings 25 Using passwords 25 Power management 25 Screen blank mode 26 Sleep mode 26 Hibernation mode 26 Chapter 4. Status indicators . . . . . 29 Chapter 5. Fn key combinations . . . 31 Chapter 6. Locations 33 Locating computer controls, connectors, and indicators 33 Front view 33 Bottom view 34 Locating FRUs and CRUs 34 Major FRUs and CRUs 35 LCD FRUs and CRUs 36 Looking up FRU information 37 Chapter 7. FRU replacement notices 39 Important notice for replacing FRUs 39 Screw notices 40 Chapter 8. Removing or replacing a FRU 41 General guidelines 41 1010 Lenovo OneLink connector cover . . . . . 42 1020 Base cover 43 1030 Battery pack 44 1040 Backup battery 45 1050 Memory modules 46 1060 PCI Express Mini Card for wireless LAN . . 47 1070 M.2 solid-state drive 47 1080 Hard disk drive assembly 48 1090 Fingerprint board bracket and fingerprint board 51 1100 Speaker assembly 52 1110 Touch panel 53 1120 Hall sensor 55 1130 Media card reader slot board 55 1140 Thermal module assembly 57 1150 System board assembly 59 1160 I/O board 62 1170 Thermal sensor 63 For models with non-touch panel 64 2010 LCD Unit 64 2030 Touch control board and LCD panel . . 66 2020 LCD hinge kit 69 2040 Camera-and-microphone-combo card . 70 2050 LCD cable assembly 71 2050 Antenna kit and LCD rear cover . . . . 72 For models with touch panel 74 2010 LCD Unit 74 2020 LCD hinge kit 76 2030 Touch control board and LCD panel . . 77 2040 Camera-and-microphone-combo card . 81 2050 Antenna kit and LCD rear cover . . . . 81 Appendix A. Notices 85 Trademarks 86 © Copyright Lenovo 2013 i

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Contents
About this manual
...........
iii
Chapter 1. Safety information
.....
1
General safety
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1
Electrical safety
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1
Safety inspection guide
.
.
.
.
.
.
.
.
.
.
.
3
Handling devices that are sensitive to electrostatic
discharge
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
3
Grounding requirements
.
.
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.
.
.
.
.
.
.
.
4
Safety notices (multilingual translations)
.
.
.
.
.
4
Chapter 2. General checkout
.....
21
What to do first
.
.
.
.
.
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.
.
.
.
.
.
.
.
21
Power system checkout
.
.
.
.
.
.
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.
.
22
Checking the ac power adapter
.
.
.
.
.
.
22
Checking operational charging
.
.
.
.
.
.
23
Checking the battery pack
.
.
.
.
.
.
.
.
23
Chapter 3. Important service
information
..............
25
Recovering the computer settings
.
.
.
.
.
.
.
25
Using passwords
.
.
.
.
.
.
.
.
.
.
.
.
.
.
25
Power management
.
.
.
.
.
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.
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.
25
Screen blank mode
.
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.
26
Sleep mode
.
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.
26
Hibernation mode
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.
.
26
Chapter 4. Status indicators
.....
29
Chapter 5. Fn key combinations
...
31
Chapter 6. Locations
.........
33
Locating computer controls, connectors, and
indicators
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
33
Front view
.
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.
33
Bottom view
.
.
.
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.
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.
34
Locating FRUs and CRUs
.
.
.
.
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.
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.
.
34
Major FRUs and CRUs
.
.
.
.
.
.
.
.
.
.
35
LCD FRUs and CRUs
.
.
.
.
.
.
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.
.
36
Looking up FRU information
.
.
.
.
.
.
.
.
.
37
Chapter 7. FRU replacement
notices
................
39
Important notice for replacing FRUs
.
.
.
.
.
.
39
Screw notices
.
.
.
.
.
.
.
.
.
.
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.
40
Chapter 8. Removing or replacing a
FRU
..................
41
General guidelines
.
.
.
.
.
.
.
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.
.
.
.
.
41
1010 Lenovo OneLink connector cover
.
.
.
.
.
42
1020 Base cover
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43
1030 Battery pack
.
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.
44
1040 Backup battery
.
.
.
.
.
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.
.
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.
45
1050 Memory modules
.
.
.
.
.
.
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.
46
1060 PCI Express Mini Card for wireless LAN
.
.
47
1070 M.2 solid-state drive
.
.
.
.
.
.
.
.
.
.
47
1080 Hard disk drive assembly
.
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.
.
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.
48
1090 Fingerprint board bracket and fingerprint
board
.
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.
51
1100 Speaker assembly
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52
1110 Touch panel
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53
1120 Hall sensor
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55
1130 Media card reader slot board
.
.
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.
55
1140 Thermal module assembly
.
.
.
.
.
.
.
.
57
1150 System board assembly
.
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.
59
1160 I/O board
.
.
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.
62
1170 Thermal sensor
.
.
.
.
.
.
.
.
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.
.
.
63
For models with non-touch panel
.
.
.
.
.
.
.
64
2010 LCD Unit
.
.
.
.
.
.
.
.
.
.
.
.
.
64
2030 Touch control board and LCD panel
.
.
66
2020 LCD hinge kit
.
.
.
.
.
.
.
.
.
.
.
69
2040 Camera-and-microphone-combo card
.
70
2050 LCD cable assembly
.
.
.
.
.
.
.
.
71
2050 Antenna kit and LCD rear cover
.
.
.
.
72
For models with touch panel
.
.
.
.
.
.
.
.
.
74
2010 LCD Unit
.
.
.
.
.
.
.
.
.
.
.
.
.
74
2020 LCD hinge kit
.
.
.
.
.
.
.
.
.
.
.
76
2030 Touch control board and LCD panel
.
.
77
2040 Camera-and-microphone-combo card
.
81
2050 Antenna kit and LCD rear cover
.
.
.
.
81
Appendix A. Notices
..........
85
Trademarks
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
86
© Copyright Lenovo 2013
i