Table Of Contents - Lenovo Z41-70 Hardware Maintenance Manual

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 .........................22
Checking the battery pack ................................22
Related service information ...................... 23
Restoring the factory contents by using
OneKey Recovery ........................................ 23
Restore of factory default .................................23
Passwords .................................................... 24
Power-on password . .........................................24
Hard-disk password . .........................................24
Administrator password ....................................24
Power management ..................................... 25
Screen blank state . ...........................................25
Putting the computer to sleep or
shutting it down . ................................................25
Putting your computer to sleep . ........................25
Shutting down the computer . ............................25
Lenovo Z41-70/Z51-70/ideapad 500-14ACZ/
ideapad 500-15ACZ .................................... 26
Specifications ............................................... 26
Status indicators ........................................... 28
Fn key combinations/Hotkeys....................... 30
FRU replacement notices ............................. 31
Screw notices ..................................................31
Removing and replacing an FRU ................. 32
1010 Keyboard .................................................33
1020 Optical drive . ............................................37
1030 Base cover . ..............................................40
1040 Battery pack . ............................................45
1050 Hard disk drive . ........................................47
1060 Speakers .................................................50
1070 IO board . ..................................................52
1080 PCI Express Mini Card for wireless LAN .....53
1090 ODD board
(Z51-70/ideapad 500-15ACZ) . ..........................55
1100 DIMM .......................................................56
1110 Fan assembly and Heat Sink assembly ...57
1120 System board ............................................ 60
1130 Upper case . ..............................................66
1140 LCD unit ...................................................73
1150 LCD hinges ..............................................76
1160 Integrated camera, LCD cable and
antenna assembly ...........................................77
Locations ...................................................... 80
Front view and right-side view ..........................80
Bottom and Left-side view ...............................82
Parts list . ....................................................... 83
Overall ..............................................................84
LCD FRUs ........................................................97
Keyboard ........................................................100
Miscellaneous parts . .......................................107
AC adapters . ...................................................108
Screws . ...........................................................108
Power cords . ...................................................109
Notices........................................................112
Trademarks .................................................113
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