iii
Contents
About this manual ....................................... iv
Safety information........................................ 1
Generalsafety................................................ 2
Electricalsafety.............................................. 3
Safetyinspectionguide.................................. 5
Handlingdevicesthataresensitiveto
electrostaticdischarge.................................... 6
Groundingrequirements................................. 6
Safetynotices:multilingualtranslations.......... 7
Lasercompliancestatement......................... 14
Important service information................... 16
StrategyforreplacingFRUs......................... 16
Strategyforreplacingaharddiskdrive............17
Importantnoticeforreplacing
asystemboard................................................17
Importantinformationaboutreplacing
RoHScompliantFRUs................................. 18
General checkout ...................................... 19
Whattodorst............................................. 20
Powersystemcheckout................................ 21
CheckingtheACadapter.................................21
Checkingoperationalcharging.........................21
Checkingthebatterypack................................22
Related service information ...................... 23
Restoringthefactorycontentsby
usingOneKeyRecovery............................... 23
Restoreoffactorydefault.................................23
Passwords.................................................... 24
Power-onpassword..........................................24
Hard-diskpassword..........................................24
Administratorpassword....................................24
Powermanagement..................................... 25
Screenblankstate............................................25
Puttingthecomputertosleepor
shuttingitdown.................................................25
Puttingyourcomputertosleep.........................25
Shuttingdownthecomputer.............................25
Lenovo Y40-70/Y40-80/Y50-70/Y50-80/
Y50-70 Touch/Y50-80 Touch ...................... 26
Specications............................................... 26
Statusindicators........................................... 28
Fnkeycombinations..................................... 30
FRUreplacementnotices............................. 31
Screwnotices..................................................31
RemovingandreplacinganFRU................. 32
1010Basecover...............................................33
1020Batterypack.............................................36
1030Harddiskdrive.........................................39
1040PCIExpressMiniCardfor
wirelessLAN.....................................................43
1050DIMM.......................................................46
1060LEDboard...............................................48
1070Subwoofer(Y50-70/Y50-80/
Y50-70Touch/Y50-80Touch)...........................49
1080IOboard...................................................50
1090
FanassemblyandHeatSinkassembly.... 53
1100
Systemboard............................................ 58
1110Speakers..................................................63
1120LCDunitandpowerboard.......................65
1130Non-touchLCDunit(Y40-70/Y40-80/
Y50-70/Y50-80)................................................70
1140TouchLCDunit(Y50-70Touch/
Y50-80Touch)..................................................74
1150Camera....................................................78
1160Antennaassembly....................................80
Locations...................................................... 81
Frontviewandright-sideview..........................81
BottomandLeft-sideview...............................83
Partslist........................................................ 84
Overall..............................................................85
LCDFRUs........................................................92
Miscellaneousparts..........................................96
ACadapters......................................................97
Screws..............................................................97
Powercords......................................................98
Notices....................................................... 101
Trademarks................................................ 102