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User
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LenovoM4350
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UserGuide
1
FirstEdition(August2013)
2
©CopyrightLenovo2013
2
Contents
3
Importantsafetyinformation
5
Powercordsandpoweradapters
6
Plugsandoutlets
6
Externaldevices
7
Heatandproductventilation
7
Operatingenvironment
8
Modemsafetyinformation
8
Lasercompliancestatement
8
Powersupplystatement
9
LenovoM4350UserGuide
10
Chapter1.Productoverview
11
2LenovoM4350UserGuide
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.Productoverview3
13
Locatingpartsonthesystemboard
14
.Productoverview5
15
6LenovoM4350UserGuide
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Chapter2.Youandyourcomputer
17
Glareandlighting
18
Aircirculation
18
Voltage-selectionswitch
19
Replacementpowercords
19
10LenovoM4350UserGuide
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Chapter3.Security
21
Usingpasswords
22
BIOSpasswords
22
Windowspasswords
23
Usingandunderstandingrewalls
23
14LenovoM4350UserGuide
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Chapter4.Recoveryinformation
25
UsingRescueSystem
26
18LenovoM4350UserGuide
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Viewingandchangingsettings
29
Passwordconsiderations
30
Power-OnPassword
30
AdministratorPassword
30
HardDiskPassword
30
Enablingordisablingadevice
31
Selectingastartupdevice
31
EnablingErPcompliancemode
32
ExitingtheSetupUtilityprogram
32
24LenovoM4350UserGuide
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Chapter6.Preventingproblems
35
Cleaningandmaintenance
36
Cleaningyourcomputer
36
Goodmaintenancepractices
37
Movingyourcomputer
38
Basictroubleshooting
39
Troubleshootingprocedure
40
Troubleshooting
40
Audioproblems
41
CDproblems
42
DVDproblems
43
Intermittentproblems
44
Monitorproblems
45
Networkingproblems
47
Performanceandlockupproblems
49
Printerproblems
51
Serialportproblems
51
USBproblems
52
AppendixA.Notices
53
Trademarks
54
Exportclassicationnotice
55
Televisionoutputnotice
55
Electronicemissionsnotices
55
48LenovoM4350UserGuide
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ImportantWEEEinformation
59
Recyclinginformation
59
RecyclinginformationforBrazil
60
52LenovoM4350UserGuide
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EuropeanUnionRoHS
63
ChinaRoHS
63
TurkishRoHS
63
UkraineRoHS
64
IndiaRoHS
64
AppendixE.ChinaEnergyLabel
65
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