53Chapter 4 Problem, Meet Solution
ÂRestoreyourcomputertoitsfactorysettingsbyerasingitsdiskandreinstalling
MacOSXLionandyourAppleapplications.
Ifyourcomputerdetectsaproblem,itopenstheMacOSXUtilitiesapplication
automatically.Youcanalsoopenitmanuallybyrestartingyourcomputer.
To open the Mac OS X Utilities application:
mRestartyourcomputerwhileholdingdowntheCommandkey(x)andRkey.
Important:  IftheMacOSXUtilitiesapplicationdoesn’tappearafterrestarting,hold
downCommand(x)-Option-RandrestartthecomputertoaccesstheMacOSX
UtilitiessoftwarefromtheInternet.Yourcomputermustbeconnectedtoanetwork
thathasaccesstotheInternet.
SomeutilitiesintheMacOSXUtilitiespanerequireaccesstotheInternetandtheMac
AppStore.YoumayneedtomakesureyourcomputerisconnectedtotheInternetvia
yourEthernetorWi-Finetwork.
To connect via a Wi-Fi network:
1 ChooseanetworkfromtheWi-Fistatusmenuintheupper-rightcornerofthescreen.
2 Ifnecessary,typethenetworkpassword.
Tojoinaclosednetwork,chooseJoinOtherNetwork.Enterthenetwork’snameand
password.