Lenovo M4400s notebook User Manual download pdf (Page 22)

•Fingerprintreader

Specications

Thistopicliststhephysicalspecicationsforyourcomputer.

Heatoutput

•65W(222Btu/hr)or90W(307Btu/hr)maximumheatoutput(dependingonthemodel)

Powersource(acpoweradapter)

•Sine-waveinputat50to60Hz

•Inputratingoftheacpoweradapter:100to240Vac,50to60Hz

Batterypack

•Lithium-ion(Li-ion)batterypack

8UserGuide

1 ... 21 22 23 ... 79

UserGuide 1
FirstEdition(August2013) 2
Contents 3
AppendixD.Notices..........63 4
Index..................65 4
Readthisrst 5
Importantsafetyinformation 6
Safetyguidelines 7
Powercordsandpoweradapters 8
Plugsandoutlets 8
Powersupplystatement 9
Externaldevices 9
Generalbatterynotice 9
Rechargeablebatterynotice 10
Lithiumcoincellbatterynotice 10
Heatandproductventilation 11
Usingheadphonesorearphones 13
Additionalsafetyinformation 13
Chapter1.Productoverview 15
Left-sideview 17
Right-sideview 18
Bottomview 19
Statusindicators 20
Features 21
Specications 22
Chapter2.Usingyourcomputer 23
Conguringtheoperatingsystem 24
Registeringyourcomputer 24
Specialkeysandbuttons 24
Functionkeycombinations 25
Numerickeypad 27
Usingthetouchpad 27
Powermanagement 28
Checkingthebatterystatus 28
Usingtheacpoweradapter 28
Chargingthebattery 29
Maximizingthebatterylife 29
Power-savingmodes 29
Handlingthebattery 30
Connectingtothenetwork 31
Ethernetconnection 32
Wirelessconnection 32
Usingaashmediacard 32
Chapter2.Usingyourcomputer19 33
20UserGuide 34
Chapter3.Youandyourcomputer 35
Chapter4.Security 37
24UserGuide 38
Chapter5.Recoveryoverview 39
Chapter5.Recoveryoverview27 41
28UserGuide 42
Chapter6.Replacinghardware 43
Replacingthebackupbattery 45
32UserGuide 46
Replacingtheharddiskdrive 47
34UserGuide 48
Replacingamemorymodule 49
5.Thenpivot 51
Chapter6.Replacinghardware37 51
Figure21.Releasingthecard 52
Figure22.Removingthecard 53
Figure23.Installingthenewcard 53
Figure24.Securingthenewcard 54
Chapter7.Preventingproblems 55
Chapter7.Preventingproblems43 57
Troubleshooting 59
Batteryandpowerproblems 59
Computerscreenproblems 60
Harddiskdriveproblems 61
Apasswordproblem 62
Asoundproblem 62
Otherproblems 62
50UserGuide 64
Wirelessrelatedinformation 65
ENERGYSTARmodelinformation 66
Exportclassicationnotice 67
Electronicemissionnotices 67
56UserGuide 70
ChinaWEEEstatement 71
ImportantWEEEinformation 71
Japanrecyclingstatements 71
RecyclinginformationforBrazil 72
Eurasiancompliancemark 73
EuropeanUnionRoHS 75
ChinaRoHS 75
TurkishRoHS 75
UkraineRoHS 76
IndiaRoHS 76
AppendixD.Notices 77
Trademarks 78

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