Hardware Maintenance Manual - Lenovo S20-30, S20-30 Touch
iii
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................. 22
Checking the battery pack ......................... 22
Related service information.......................23
Restoring the factory contents by using 
Recovery Disc Set.............................................. 23
Start Recovery Disc (one disc)................... 23
Operating System Recovery Disc (one or 
more discs) ................................................... 23
Applications and Drivers Recovery Disc 
(one or more discs)...................................... 23
Supplemental Recovery Disc..................... 23
Passwords........................................................... 24
Power-on password.................................... 24
Hard-disk password ................................... 24
Supervisor password.................................. 24
Power management .......................................... 25
Screen blank state........................................ 25
Putting the computer to sleep or shutting 
it down.......................................................... 25
Lenovo S20-30 / S20-30 Touch ..................27
Specifications......................................................27
Status indicators.................................................29
Hotkeys ...............................................................31
FRU replacement notices..................................32
Screw notices................................................32
Removing and replacing an FRU ....................33
1010 Battery pack.........................................34
1020 Hard disk drive...................................36
1030 PCI Express Mini Card for wireless 
LAN/WAN ..................................................38
1040 Fan assembly and Heat Sink 
assembly........................................................40
1050 Keyboard..............................................42
1060 System board.......................................44
1070 LCD unit...............................................48
1080 Speakers, base cover, audio board, 
DC-IN board and power board .................50
1090 LCD front bezel...................................54
1100 LCD panel, LCD cable and 
hinges.............................................................55
1110 Integrated camera...............................57
1120 Antenna assembly and LCD 
cover ..............................................................58
Locations.............................................................59
Front view.....................................................59
Bottom and Left-side view .........................60
Right-side view ............................................61
Parts list...............................................................62
Overall...........................................................63
LCD FRUs.....................................................67
Keyboard.......................................................69
AC adapters..................................................72
Screws............................................................72
Power cords..................................................73
Notices ......................................................... 77
Trademarks.........................................................78
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