
iii
Contents
About this manual ....................................... iv
Safety information........................................ 1
Generalsafety................................................ 2
Electricalsafety.............................................. 3
Safety information........................................ 3
Safetyinspectionguide.................................. 5
Handlingdevicesthataresensitiveto
electrostaticdischarge.................................... 6
Groundingrequirements................................. 6
Safetynotices:multilingualtranslations.......... 7
Lasercompliancestatement......................... 14
Important service information................... 16
StrategyforreplacingFRU........................... 16
Strategyforreplacingaharddiskdrive............17
Importantnoticeforreplacingasystemboard17
ImportantinformationaboutreplacingRoHS
compliantFRU.............................................. 18
General checkout ...................................... 19
Whattodorst............................................. 20
Powersystemcheckout................................ 21
CheckingtheACadapter.................................21
Checkingoperationalcharging.........................22
Checkingthebatterypack................................22
Related service information ...................... 23
RestoringthefactorycontentsbyusingOneKey
Recovery...................................................... 23
Restoreoffactorydefault.................................23
Passwords.................................................... 24
Power-onpassword..........................................24
Hard-diskpassword..........................................24
Administratorpassword....................................24
Powermanagement..................................... 25
Screenblankstate............................................25
Puttingthecomputertosleeporshuttingitdown.
25
Puttingyourcomputertosleep.........................25
Shuttingdownthecomputer.............................26
Lenovo V340-17IWL.................................... 27
Specications............................................... 27
Statusindicators........................................... 29
Hotkeys......................................................... 30
FRUreplacementnotices............................. 31
Screwnotices..................................................31
RemovingandreplacinganFRU................. 32
1010Opticaldrive.............................................33
1020Basecover...............................................35
1030Harddiskdrive.........................................39
1040Batterypack.............................................41
1050SSDcard.................................................43
1060DIMM.......................................................45
1070PCIExpressMiniCardforwirelessLAN. 46
1080FanassemblyandHeatSinkassembly.. 48
1090
Systemboard............................................ 52
1100ODDtransferboardandbackupbattery. . 54
1110Speakers..................................................56
1120Touchpad.................................................57
1130Uppercase...............................................58
1140LCDunit...................................................60
1150Integratedcameraandantennaassembly6 3
Locations...................................................... 65
Frontviewandright-sideview..........................65
BottomandLeft-sideview...............................66
Partslist........................................................ 67
Overall..............................................................68
LCDFRUs........................................................70
Notices......................................................... 72
Trademarks.................................................. 73