Lenovo Y50-70 - Manual (Page 3)

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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
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 Y40-70/Y40-80/Y50-70/Y50-80/
Y50-70 Touch/Y50-80 Touch ...................... 26
Specifications ............................................... 26
Status indicators ........................................... 28
Fn key combinations..................................... 30
FRU replacement notices ............................. 31
Screw notices ..................................................31
Removing and replacing an FRU ................. 32
1010 Base cover ...............................................33
1020 Battery pack .............................................36
1030 Hard disk drive .........................................39
1040 PCI Express Mini Card for
wireless LAN .....................................................43
1050 DIMM .......................................................46
1060 LED board ...............................................48
1070 Subwoofer (Y50-70/Y50-80/
Y50-70 Touch/Y50-80 Touch) ...........................49
1080 IO board ...................................................50
1090 Fan assembly and Heat Sink assembly.... 53
1100 System board ............................................ 58
1110 Speakers ..................................................63
1120 LCD unit and power board .......................65
1130 Non-touch LCD unit (Y40-70/Y40-80/
Y50-70/Y50-80) ................................................70
1140 Touch LCD unit (Y50-70 Touch/
Y50-80 Touch) ..................................................74
1150 Camera ....................................................78
1160 Antenna assembly....................................80
Locations ...................................................... 81
Front view and right-side view ..........................81
Bottom and Left-side view ...............................83
Parts list ........................................................ 84
Overall ..............................................................85
LCD FRUs ........................................................92
Miscellaneous parts ..........................................96
AC adapters ......................................................97
Screws ..............................................................97
Power cords ......................................................98
Notices....................................................... 101
Trademarks ................................................ 102