Apple MD772LL/A Personal Computer User Manual


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96 Chapter 4 Problem, Meet Solution
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
alsotrythestepsinthefollowingsection.
Cable Modem, DSL, and LAN Internet Connections
Makesureallmodemcablesarefully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.CheckthecablesandpowersuppliesforEthernethubsandrouters.
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.
PPPoE Connections
IfyouareunabletoconnecttoyourInternetserviceproviderusingPPPoE,makesure
youhaveenteredthecorrectinformationinNetworkpreferences.
To enter PPPoE settings:
1 ChooseApple()>SystemPreferences.
2 ClickNetwork.
3 ClickAdd(+)atthebottomofthenetworkconnectionserviceslist,andchoosePPPoE
fromtheInterfacepop-upmenu.
4 ChooseaninterfaceforthePPPoEservicefromtheEthernetpop-upmenu.
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