Lenovo G555 Lenovo G555 Hardware Maintenance Manual V2.0 - Page 3

Contents, About this manual, Safety information, Important service information, General checkout

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Contents About this manual iv 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 14 Important service information 16 Strategy for replacing FRUs 16 Strategy for replacing a hard disk drive 17 Important notice for replacing a system board ....17 Important information about replacing RoHS compliant FRUs 18 General checkout 19 What to do first 20 Power system checkout 21 Checking the AC adapter 21 Checking operational charging 21 Checking the battery pack 22 Related service information 23 Restoring the factory contents by using OneKey Recovery 23 Restore of factory default 23 Using recovery discs 23 Passwords 24 Power-on password 24 Supervisor password 24 Power management 25 Screen blank mode 25 Sleep (standby) mode 25 Hibernation mode 26 Lenovo G555 27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement notices 32 Screw notices 32 Removing and replacing an FRU 33 1010 Battery pack 34 1020 Dummy cards 35 1030 Hard disk drive (HDD) slot cover and HDD 36 1040 Memory/Wireless module/CPU (central processing unit) compartment cover 38 1050 Optical drive 39 1060 DIMM 40 1070 Fan assembly and Heat Sink assembly... 41 1080 CPU 44 1090 PCI Express Mini Card for wireless LAN/WAN 45 1100 Keyboard cover and power board............47 1110 Keyboard 50 1120 LCD unit 52 1130 Keyboard bezel 56 1140 System board 60 1150 Bluetooth daughter card, speakers and base cover 63 1160 LCD front bezel 67 1170 LCD panel and hinges 68 1180 Integrated camera 70 1190 Antenna assembly and LCD cover ..........71 Locations 72 Front view 72 Right-side view 73 Bottom and Left-side view 73 Parts list 74 Overall 75 LCD FRUs 79 Keyboard 81 Miscellaneous parts 83 AC adapters 84 Power cords 85 Notices 87 Trademarks 88 iii

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iii
Contents
About this manual
.......................................
iv
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
.........................
14
Important service information
...................
16
Strategy for replacing FRUs
.........................
1
6
Strategy for replacing a hard disk drive
............
1
7
Important notice for replacing a system board
...1
7
Important information about replacing RoHS
compliant FRUs
............................................
18
General checkout
......................................
19
What to do first
.............................................
2
0
Power system checkout
................................
2
1
Checking the AC adapter
.................................
2
1
Checking operational charging
.........................
2
1
Checking the battery pack
...............................
22
Related service information
......................
23
Restoring the factory contents by using
OneKey Recovery
........................................
2
3
Restore of factory default
.................................
2
3
Using recovery
discs
.........................................
2
3
Passwords
....................................................
2
4
Power-on password
..........................................
2
4
Supervisor password
.......................................
2
4
Power management
.....................................
2
5
Screen blank mode
...........................................
2
5
Sleep (standby) mode
......................................
2
5
Hibernation mode
.............................................
26
Lenovo G555
...............................................
27
Specifications
...............................................
27
Status indicators
...........................................
2
9
Fn key combinations
.....................................
31
FRU replacement notices
.............................
3
2
Screw notices
..................................................
3
2
Removing and replacing an FRU
.................
33
1010 Battery pack
.............................................
34
1020 Dummy cards
..........................................
35
1030 Hard disk drive (HDD) slot cover
and HDD
...........................................................
3
6
1040 Memory/Wireless module/CPU (central
processing unit) compartment cover
................
38
1050 Optical drive
.............................................
39
1060 DIMM
.......................................................
40
1070 Fan assembly and Heat Sink assembly ... 41
1080 CPU
.........................................................
44
1090 PCI Express Mini Card for wireless
LAN/WAN
.........................................................
45
1100 Keyboard cover and power board
............
4
7
1110 Keyboard
..................................................
50
1120 LCD unit
...................................................
5
2
1130 Keyboard bezel
........................................
5
6
1140
System board
...........................................
6
0
1150 Bluetooth daughter card, speakers and
base cover
........................................................
6
3
1160 LCD front bezel
........................................
67
1170 LCD panel and hinges
.............................
6
8
1180 Integrated camera
....................................
7
0
1190 Antenna assembly and LCD cover
..........
7
1
Locations
......................................................
72
Front view
.........................................................
72
Right-side view
.................................................
7
3
Bottom and Left-side view
...............................
7
3
Parts list
........................................................
7
4
Overall
..............................................................
7
5
LCD FRUs
........................................................
7
9
Keyboard
..........................................................
81
Miscellaneous parts
..........................................
83
AC adapters
......................................................
84
Power cords
......................................................
85
Notices
.........................................................
87
Trademarks
..................................................
88