Lenovo ThinkCentre Edge 91 - Default Chapter; Table of Contents

Contents
Importantsafetyinformation......v
Serviceandupgrades.............v
Staticelectricityprevention...........v
Powercordsandpoweradapters........vi
Extensioncordsandrelateddevices.......vi
Plugsandoutlets..............vii
Externaldevices..............vii
Heatandproductventilation.........vii
Operatingenvironment...........viii
Modemsafetyinformation..........viii
Lasercompliancestatement..........ix
Powersupplystatement............ix
Cleaningandmaintenance...........ix
Chapter1.Productoverview......1
Features..................1
Specications................4
Softwareoverview..............5
SoftwareprovidedbyLenovo........5
AdobeReader..............7
Antivirussoftware.............7
Locations..................7
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer........8
Locatingconnectorsontherearofyour
computer................9
Locatingcomponents..........11
Locatingpartsonthesystemboard....12
Locatinginternaldrives.........13
Machinetypeandmodellabel.......14
Chapter2.Usingyourcomputer...15
Frequentlyaskedquestions.........15
Usingthekeyboard.............15
UsingWindowsshortcutkeys.......15
Usingangerprintreader........16
Usingthewheelmouse...........16
Adjustingaudio..............16
Aboutyourcomputeraudio........16
Settingthevolumefromthedesktop....17
SettingthevolumefromControlPanel...17
UsingCDsandDVDs............17
HandlingandstoringCDandDVDmedia..17
PlayingaCDorDVD..........18
RecordingaCDorDVD.........18
Chapter3.Youandyourcomputer..19
Accessibilityandcomfort..........19
Arrangingyourworkspace........19
Comfort...............19
Glareandlighting............20
Aircirculation.............20
Electricaloutletsandcablelengths.....20
RegisteryourcomputerwithLenovo......21
Movingyourcomputertoanothercountryor
region..................21
Voltage-selectionswitch.........21
Replacementpowercords........21
Chapter4.Security..........23
Securityfeatures..............23
Lockingthecomputercover.........23
Attachinganintegratedcablelock.......25
Usingpasswords..............25
BIOSpasswords............25
Windowspasswords..........26
Conguringthengerprintreader.......26
Usingandunderstandingrewalls.......26
Protectingdataagainstviruses........26
Chapter5.Installingorreplacing
hardware...............29
Handlingstatic-sensitivedevices.......29
Installingorreplacinghardware........29
Installingexternaloptions........29
Removingthecomputercover.......30
Removingandreinstallingthefrontbezel..30
Accessingthesystemboardcomponentsand
drives................32
InstallingorreplacingaPCIcard......33
Installingorreplacingamemorymodule...35
Replacingthebattery..........37
Replacingtheharddiskdrive.......38
Replacingtheopticaldrive........40
Replacingthepowersupplyassembly...44
Replacingtheheatsinkandfanassembly..48
Replacingthemicroprocessor.......51
Replacingthesystemfanassembly....54
ReplacingthefrontaudioandUSB
assembly...............55
Replacingthekeyboardormouse.....56
Completingthepartsreplacement.....57
Chapter6.Recoveryinformation...59
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