Lenovo V4400u Notebook - Manual (Page 3)

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
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