Apple MacBook Pro (17-inch, Late 2011) User Manual download pdf (Page 64)

64 Chapter 4 Problem, Meet Solution

Network Connections

MakesuretheEthernetcableispluggedintoyourMacBookProandintothenetwork.

CheckthecablesandpowersuppliestoyourEthernethubsandrouters.

IfyouhavetwoormorecomputersattemptingtoshareanInternetconnection,be

surethatyournetworkissetupproperly.YouneedtoknowwhetheryourISPprovides

onlyoneIPaddressormultipleIPaddresses,oneforeachcomputer.

IfonlyoneIPaddressisprovided,thenyoumusthavearoutercapableofsharing

theconnection,alsoknownasnetworkaddresstranslation(NAT)or“IPmasquerading.”

Forsetupinformation,checkthedocumentationprovidedwithyourrouterorask

thepersonwhosetupyournetwork.TheAirPortbasestationcanbeusedto

shareoneIPaddressamongmultiplecomputers.Forinformationaboutusingan

AirPortbasestation,checkHelpCenterorgototheAirPortSupportwebsiteat

www.apple.com/support/airport.

Ifyoucan’tresolvetheissueusingthesesteps,contactyourISPornetworkadministrator.

Problems with Wi-Fi Communication

If you have trouble using Wi-Fi communication

Â Makesurethecomputerornetworkyouaretryingtoconnecttoisrunningandhas

awirelessaccesspoint.

Â Makesureyouhaveproperlyconguredthesoftwareaccordingtotheinstructions

thatcamewithyourbasestationoraccesspoint.

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Apple MacBook Pro (17-inch, Late 2011) User Manual Page 64