Lenovo S21e-20 Specifications

Lenovo S21eHardware Maintenance Manual

6Lenovo S21e Hardware Maintenance ManualHandling devices that are sensitive to electrostatic dischargeAny computer part containing transistors or inte

7About this manualSafety notices: multilingual translationsThe safety notices in this section are provided in English, French, German, Hebrew,

8Lenovo S21e Hardware Maintenance ManualSafety notice 2 DANGERSomestandbybatteriescontainasmallamountofnickelandcadmium.Donotdisassemble

9About this manualSafety notice 3 DANGERThebatterypackcontainssmallamountsofnickel.Donotdisassembleit,throwitintoreorwater,orshort

10Lenovo S21e Hardware Maintenance ManualSafety notice 4 DANGERThelithiumbatterycancauseafire,anexplosion,orasevereburn. Donotrecharge

11About this manualSafety notice 5IftheLCDbreaksandtheuidfrominsidetheLCDgetsintoyoureyesoronyourhands,immediatelywashtheaffect

12Lenovo S21e Hardware Maintenance ManualSafety notice 6 DANGERToavoidshock,donotremovetheplasticcoverthatprotectsthelowerpartoftheinv

13About this manualSafety notice 8 DANGERBeforeremovinganyFRU,turnoffthecomputer,unplugallpowercordsfromelectricaloutlets,removetheba

14Lenovo S21e Hardware Maintenance ManualLaser compliance statementSome models of Lenovo computer are equipped from the factory with an opt

15About this manualA CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. No

Notes:• Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunder“Notices”onpage71.First Edition (

16Lenovo S21e Hardware Maintenance ManualImportant service informationThis chapter presents the following important service information: • “Strategy

17Important service informationUse the following strategy to prevent unnecessary expense for replacing and servicing FRUs:• If you are instructed to

18Lenovo S21e Hardware Maintenance ManualImportant information about replacing RoHS compliant FRUsRoHS, The Restriction of Hazardous Substances

19General checkout General checkout This chapter presents the following information:• “What to do rst” on page 20• “Power system checkout” on page

20Lenovo S21e Hardware Maintenance ManualWhat to do rstWhen you do return an FRU, you must include the following information in the parts exchange fo

21General checkout Power system checkoutTo verify a symptom, follow the steps below:1. Turn off the computer.2. Connect the AC adapter.3. Make sure

22Lenovo S21e Hardware Maintenance ManualPerform operational charging. If the battery status indicator or icon is not lit, remove the battery p

23Related service informationRelated service informationThis chapter presents the following information:• “ Restoring the factory contents by using O

24Lenovo S21e Hardware Maintenance ManualPasswordsAs many as three passwords may be needed for any Lenovo computer: the power-on password (POP),

25Related service informationPower managementNote: Power management modes are not supported for an APM operating system.To reduce power con

iiiContentsAbout this manual ... ivSafety information ... 1General safety ...

26Lenovo S21e Hardware Maintenance ManualShutting down the computerIf you are not going to use your computer for a long time, shut it down. To shut do

27Related service information• Right-click the Start button in the lower-left corner and select Shut down or sign out → Shut down. • On the Start sc

28Lenovo S21e Hardware Maintenance ManualLenovo S21eThis chapter presents the following product-specific service references and product-specic

29Lenovo S21eTable 1. Specications (continued)Feature DescriptionAudio • 1/8" Stereo Headphone Output & Microphone input combo jack• I

30Lenovo S21e Hardware Maintenance ManualStatus indicatorsThe system status indicators below show the computer status:aTable 2. Status indicatorsIndic

31Lenovo S21eFn key combinationsThe following table describes the functions of Fn key combinations.Table 3. Function key combinations : Mutes/unmutes

32Lenovo S21e Hardware Maintenance ManualFRU replacement noticesThis section presents notices related to removing and replacing parts. Read this

33Lenovo S21eRemoving and replacing an FRUThis section presents exploded gures with the instructions to indicate how to remove and replace the FRU.

34Lenovo S21e Hardware Maintenance Manual1010 KeyboardFigure 1. Removal steps of keyboardRemove the screws 1.aaStep Screw (quantity) Color Torque1M2.0

35Lenovo S21eFigure 1. Removal steps of keyboard (continued)Lift the keyboard a little 3. Pull the keyboard connector slot cover upward as shown by ar

ivAbout this manualThis manual contains service and reference information for the following Lenovo product:Lenovo S21eUse this manual to trou

36Lenovo S21e Hardware Maintenance Manual1020 Keyboard bezelFor access, remove this FRU:• “1010 Keyboard” on page 34Figure 2. Removal steps of keyboa

37Lenovo S21eFigure 2. Removal steps of keyboard bezel (continued)Remove the screws 3.cccccccccStep Screw (quantity) Color Torque2M2 × 3.5 mm, at-hea

38Lenovo S21e Hardware Maintenance ManualFigure 2. Removal steps of keyboard bezel (continued)Pull the touch pad connector slot cover upward as shown

39Lenovo S21eNote: Applying labels to the base coverThe new base cover FRU is shipped with a kit containing labels of several kinds. When you repl

40Lenovo S21e Hardware Maintenance Manual1030 Battery packFor access, remove these FRUs in order:• “1010 Keyboard” on page 34• “1020 Keyboard bezel”

41Lenovo S21e1040 PCI Express Mini Card for wireless LANFor access, remove these FRUs in order:• “1010 Keyboard” on page 34• “1020 Keyboard bezel” o

42Lenovo S21e Hardware Maintenance ManualFigure 4. Removal steps of PCI Express Mini Card for wireless LAN (continued)In step 1, unplug the jacks by

43Lenovo S21e1050 Power assemblyFor access, remove these FRUs in order:• “1010 Keyboard” on page 34• “1020 Keyboard bezel” on page 36• “1030 Batter

44Lenovo S21e Hardware Maintenance Manual1060 System boardImportant notices for handling the system board:Whenhandlingthesystemboard,bearthefol

45Lenovo S21eFigure 6. Removal steps of system boardUnplug speakers connector in the direction shown by arrow 1, detach USB board connector in the dir

1Safety informationSafety informationThis chapter presents the following safety information that you need to get familiar with before you servi

46Lenovo S21e Hardware Maintenance ManualFigure 6. Removal steps of system board (continued)Remove the system board in the direction shown by arrow 7.

47Lenovo S21e1070 Speakers, base cover and IO boardFor access, remove these FRUs in order:• “1010 Keyboard” on page 34• “1020 Keyboard bezel” on pag

48Lenovo S21e Hardware Maintenance ManualFigure 7. Speakers, base cover and IO board (continued)Remove the screw 1. Pull the IO board connector slot c

49Lenovo S21e1080 LCD unitFor access, remove these FRUs in order:• “1010 Keyboard” on page 34• “1020 Keyboard bezel” on page 36• “1030 Battery pack

50Lenovo S21e Hardware Maintenance ManualFigure 8. Removal steps of LCD unit (continued)Remove the upper case from the LCD unit in the direction shown

51Lenovo S21e1090 LCD front coverFor access, remove these FRUs in order: • “1010 Keyboard” on page 34• “1020 Keyboard bezel” on page 36• “1030 Batt

52Lenovo S21e Hardware Maintenance ManualFigure 9. Removal steps of LCD front cover (continued)Remove the LCD front bezel in the direction shown by ar

53Lenovo S21e1100 LCD panel, LCD cable and hingesFor access, remove these FRUs in order:• “1010 Keyboard” on page 34• “1020 Keyboard bezel” on page

54Lenovo S21e Hardware Maintenance ManualFigure 10. LCD panel, LCD cable and hinges (continued)Disconnect the connector 2, lift the LCD panel in the d

55Lenovo S21e1110 Integrated cameraFor access, remove these FRUs in order:• “1010 Keyboard” on page 34• “1020 Keyboard bezel” on page 36• “1030 Bat

2Lenovo S21e Hardware Maintenance ManualGeneral safetyFollow these rules below to ensure general safety:• Observe a good housekeeping in the ar

56Lenovo S21e Hardware Maintenance Manual1120 Antenna assembly and LCD coverFor access, remove these FRUs in order:• “1010 Keyboard” on page 34• “10

57Lenovo S21eLocationsFront view and right-side view1 Integrated camera2 Built-in microphones3 Wireless LAN antennas4 Computer display5 Power but

58Lenovo S21e Hardware Maintenance ManualBottom and Left-side view 1 Speakers2 AC power adapter jack3 USB 3.0 port4 Micro HDMI portaabcd

59Lenovo S21eParts listThis section presents the following service parts:• “Overall” on page 60• “LCD FRUs” on page 63• “Keyboard” on page 65• “Mi

60Lenovo S21e Hardware Maintenance ManualOverall11086437952a

61Lenovo S21eTable 4. Parts list—OverallNo. FRU FRU no. CRU ID.a-d See "Miscellaneous parts" on page 68. 1 LCD unit (see "LCD FRUs"

62Lenovo S21e Hardware Maintenance ManualTable 4. Parts list—Overall (continued)No. FRU FRU no. CRU ID.7 Speaker C S21e-20 5SB0H44562 N8 I/O Board C

63Lenovo S21eLCD FRUsIn Lenovo S21e, the type of LCD is 11.6-inch high denition (HD).213698144567

64Lenovo S21e Hardware Maintenance ManualTable 5. Parts list—11.6-inch LCD FRUsNo. FRU FRU no. CRU ID.1 Hinge Cover C S21e-20 5CB0H44567 N2 LCD Bezel

65Lenovo S21eKeyboardTable 6. Parts list—KeyboardLanguage P/N CRU ID.Chicony KB (Backlight)English 25210801**U.K. English 25210802**Italian 25210803**

3About this manualElectrical safetyObserve the following rules when working on electrical equipments.Important:Useonly approvedtoolsandtestequip

66Lenovo S21e Hardware Maintenance ManualLanguage P/N CRU ID.Sunrex KB (Black)Dutch 25210848**Greek 25210849**Hebrew 25210850**Hungarian 25210851**No

67Lenovo S21eMiscellaneous partsTable 7. Parts list—Miscellaneous partsFRU P/N CRU ID.System miscellaneous parts:• (a) DC IN Bracket C S21e-205B40H44

68Lenovo S21e Hardware Maintenance ManualAC adaptersTable 9. Parts list—AC adaptersFRU P/N CRU ID.Adapter, Delta ADLX45NDC3A 20V2.25A adap(CMN) 362006

69Lenovo S21ePower cordsA Lenovo power cord for a specic country or region is usually available only in that country or region: Table 10. Parts list—

70Lenovo S21e Hardware Maintenance ManualRegion P/N CRU ID.Israel• Longwell LP-41+H03VV-F+LS-18 1m145000563*UL• Longwell LP-30B+SPT-2 18AWG+LS-18 1m

71Lenovo S21eTable 10. Parts list—2-pin power cords (continued)Region P/N CRU ID.CE• VOLEX M2511+HO3VV-F+VAC5S 1m145000525*Switzerland• VOLEX MP232+

72Lenovo S21e Hardware Maintenance ManualNoticesLenovo may not offer the products, services, or features discussed in this document in all

73NoticesAny performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operati

4Lenovo S21e Hardware Maintenance Manual• Always look carefully for possible hazards in your work area. Examples of these hazards are moist oor

5About this manualSafety inspection guideThe purpose of this inspection guide is to assist you in identifying potential unsafe conditions.