iii
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
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
Supervisor password ........................................24
Power management ..................................... 25
Putting the computer to sleep or shutting it
down .................................................................25
Putting your computer to sleep .........................25
Shutting down the computer .............................26
ideapad 720S-13IKB/ideapad 720S
Touch-13IKB ................................................ 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 .............................................35
1030 PCI Express Mini Card for wireless
LAN ...................................................................36
1040 SSD Card ................................................39
1050 Fan assembly and heat sink assembly ....40
1060 LCD unit ...................................................41
1070 System board ..........................................43
1080 Speakers .................................................46
1090 Finger print board (on select models)
and touchpad module .......................................47
1100 LCD front bezel ........................................48
1110 LCD panel, LCD cable and hinges ...........50
1120 Integrated camera ....................................53
Locations ...................................................... 54
Front view and right-side view ..........................54
Bottom and Left-side view ...............................55
Parts list ........................................................ 56
Overall ..............................................................57
LCD FRUs ........................................................66
Miscellaneous parts ..........................................68
Screw ................................................................68
AC adapters ......................................................69
Powercord.........................................................69
Notices......................................................... 71
Trademarks .................................................. 72