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
Importantnoticeforreplacingasystem
board................................................................17
ImportantinformationaboutreplacingRoHS
compliantFRUs............................................ 18
General checkout ...................................... 19
Whattodorst............................................. 20
Powersystemcheckout................................ 21
CheckingtheACadapter.................................21
Checkingoperationalcharging.........................21
Checkingthebatterypack................................22
Related service information ...................... 23
Restoringthefactorycontentsbyusing
OneKeyRecovery........................................ 23
Restoreoffactorydefault.................................23
Passwords.................................................... 24
Power-onpassword..........................................24
Hard-diskpassword..........................................24
Administratorpassword....................................24
Powermanagement..................................... 25
Screenblankstate............................................25
Puttingthecomputertosleeporshutting
itdown..............................................................25
Puttingyourcomputertosleep.........................25
Shuttingdownthecomputer.............................26
Lenovo ideapad FLEX 4-1470/ideapad FLEX
4-1435/ideapad FLEX 4-1480/ideapad FLEX
4-1570/ideapad FLEX 4-1580 ..................... 27
Specications............................................... 27
Statusindicators........................................... 29
Hotkeys......................................................... 30
FRUreplacementnotices............................. 31
Screwnotices..................................................31
RemovingandreplacinganFRU................. 32
1010Basecover...............................................33
1020Batterypack.............................................36
1030PCIExpressMiniCardfor
wirelessLAN.....................................................38
1040DIMM.......................................................41
1050Speakers.................................................42
1060Harddiskdrive.........................................43
1070FanassemblyandHeatSink
assembly...........................................................45
1080IOboard,DC-incable..............................49
1090
Systemboard............................................ 51
1100Uppercase...............................................53
1110LCDunit...................................................56
1120Integratedcamera,antennaassembly
andLCDhinges................................................59
Locations...................................................... 62
Frontviewandright-sideview..........................62
BottomandLeft-sideview...............................63
Partslist........................................................ 64
Overall..............................................................65
LCDFRUs........................................................80
14.0-in.HDTFT................................................81
15.6-in.HDTFT................................................82
Miscellaneousparts..........................................83
ACadapters......................................................83
Screws..............................................................84
Notices......................................................... 85
Trademarks.................................................. 86