Apple MC372LL/A Laptop User Manual


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56 Chapter 4 Problem, Meet Solution
Problems with Your Internet Connection
YourMacBookProhastheNetworkSetupAssistantapplicationtohelpwalkyou
throughsettingupanInternetconnection.OpenSystemPreferencesandclick
Network.Clickthe“Assistme”buttontoopenNetworkSetupAssistant.
IfyouhavetroublewithyourInternetconnection,youcantrythestepsinthissection
foryourtypeofconnectionoryoucanuseNetworkDiagnostics.
To use Network Diagnostics:
1 ChooseApple()>SystemPreferences.
2 ClickNetworkandthenclick“Assistme.”
3 ClickDiagnosticstoopenNetworkDiagnostics.
4 Followtheonscreeninstructions.
IfNetworkDiagnosticscan’tresolvetheproblem,theremaybeaproblemwiththe
Internetserviceprovider(ISP)youaretryingtoconnectto,withanexternaldeviceyou
areusingtoconnecttoyourISP,orwiththeserveryouaretryingtoaccess.Youcantry
thefollowingsteps.
Cable Modem, DSL Modem, and LAN Internet Connections
Makesureallmodemcablesarermlypluggedin,includingthemodempowercord,
thecablefromthemodemtothecomputer,andthecablefromthemodemtothewall
jack.AlsocheckthecablesandpowersuppliestoEthernethubsandrouters.
Turn the modem o and on and reset the modem hardware
TurnoyourDSLorcablemodemforafewminutes,andthenturnitbackon.Some
ISPsrecommendthatyouunplugthemodem’spowercord.Ifyourmodemhasareset
button,youcanpressiteitherbeforeorafteryouturnthepoweroandon.
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