Lenovo IdeaPad S21e-20 Bruksanvisning
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Lenovo S21e
Hardware
Maintenance
Manual

Notes:
• Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunder
“Notices”onpage71.
First Edition (Jan. 2015)
© Copyright Lenovo 2015. All rights reserved.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General
Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set
forth in Contract No. GS-35F-05925.
© 2015 Lenovo

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 rst ............................................. 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
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 S21e ............................................... 28
Specications ............................................... 28
Status indicators ........................................... 30
Fn key combinations..................................... 31
FRU replacement notices ............................. 32
Screw notices ..................................................32
Removing and replacing an FRU ................. 33
1010 Keyboard .................................................34
1020 Keyboard bezel ........................................36
1030 Battery pack .............................................40
1040 PCI Express Mini Card for wireless
LAN ...................................................................41
1050 Power assembly ......................................43
1060 System board ..........................................44
1070 Speakers, base cover and IO board ........47
1080 LCD unit ...................................................49
1090 LCD front cover .......................................51
1100 LCD panel, LCD cable and hinges...........53
1110 Integrated camera ....................................55
1120 Antenna assembly and LCD cover...........56
Locations ...................................................... 57
Front view and right-side view ..........................57
Bottom and Left-side view ...............................58
Parts list ........................................................ 59
Overall ..............................................................60
LCD FRUs ........................................................63
Keyboard ..........................................................65
Miscellaneous parts ..........................................67
Screw ................................................................67
AC adapters ......................................................68
Power cords ......................................................69
Notices......................................................... 72
Trademarks .................................................. 73
Produktspecifikationer
Varumärke: | Lenovo |
Kategori: | Laptop |
Modell: | IdeaPad S21e-20 |
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