Table Of Contents - Lenovo ideapad FLEX 4 Hardware Maintenance

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 . ............................26
Lenovo ideapad FLEX 4-1470/ideapad FLEX
4-1435/ideapad FLEX 4-1480/ideapad FLEX
4-1570/ideapad FLEX 4-1580 ..................... 27
Specifications ............................................... 27
Status indicators ........................................... 29
Hotkeys......................................................... 30
FRU replacement notices ............................. 31
Screw notices ..................................................31
Removing and replacing an FRU ................. 32
1010 Base cover . ..............................................33
1020 Battery pack . ............................................36
1030 PCI Express Mini Card for
wireless LAN . ....................................................38
1040 DIMM .......................................................41
1050 Speakers .................................................42
1060 Hard disk drive . ........................................43
1070 Fan assembly and Heat Sink
assembly...........................................................45
1080 IO board, DC-in cable . .............................49
1090 System board . ........................................... 51
1100 Upper case . ..............................................53
1110 LCD unit ...................................................56
1120 Integrated camera, antenna assembly
and LCD hinges . ...............................................59
Locations ...................................................... 62
Front view and right-side view ..........................62
Bottom and Left-side view ...............................63
Parts list . ....................................................... 64
Overall ..............................................................65
LCD FRUs ........................................................80
14.0-in. HD TFT ................................................81
15.6-in. HD TFT ................................................82
Miscellaneous parts . .........................................83
AC adapters . .....................................................83
Screws . .............................................................84
Notices......................................................... 85
Trademarks .................................................. 86
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