Specifications

58 Chapter 4 Problem, Meet Solution
Problems with Your Internet Connection
YourMacBookhasthe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
startingwith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, 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forEthernethubsandrouters.
Turn the modem o and on to 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.