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Whenissueswon’tgoaway,orhavedisrupted
yournetworkcompletely,you’llneedtotakea
differentapproach.Startwiththeclassic‘turnit
offandonagain’– eithertheonetroublesome
device,oryourrouterif theproblemis network-
wide.Intherouter’scase,switchit offfor 30
secondstoensureitsmemoryis properly
cleared,thenturnit backon.If theproblem
remains,followthiswalkthrough.03
RESETANDSTARTAGAIN
ClickRenewDHCPLease.Nojoy?In
themainpane,usethegeariconto
maketheconnectioninactive,thenreactivate.
ForWi-Fi,inAdvanced> Wi-Fi,remove
thenetwork,clickOK,thenreconnect.01
INSTALLA FREEAPP
SearchforandinstallWiFiExplorer
LitefromtheMacAppStore.When
youopentheapp,it willdisplaya listofall
detectedWi-Finetworksonthe2.4GHzand
5GHzbands.Click2.4GHz.02
RESETIPADDRESS
If youencountertimeoutissueswith
Ping,goto;> SystemPrefs> Network
andselectyourconnection.If usingWi-Fi,click
Advanced> TCP/IP.If ConfigureIPv4is setto
Manual,tryUsingDHCP.05
RESOLVEDNSISSUES
If theconnectionlooksfinebutweb
pagesaren’tloading,try‘pinging’
1.1.1.1inNetworkUtility.If thisworks,useyour
phonetofollowtheguideat1.1.1.1/dnsandtry
changingyourMac’sDNSsettings.03
CHANGEANDREVIEW
If overlappingnetworksareonthe
samechannel,followtheadviceon
thepreviouspagetochangeyour2.4GHzWi-Fi
channel– to1, 6 or11,say.WaitforyourMacto
reconnectandrecheck.01
MACTROUBLESHOOTING
CheckforWi-Fiproblemsbyusing
SpotlighttorunWireless
Diagnostics.OpenNetworkUtilitytoseeif your
Macis theissue.Entertherouter’sIPaddressin
thePingtabtocheckit’sreachable.04
CHECKINTERNETACCESS
If theproblemaffectsalldevices,
openyourrouter’sadmintoolto
checkyourinternetconnectionisn’tdown.If
theroutersaysit is,usea mobilephoneto
checkyourISP’sstatuspageforinfo.02
INTERPRETTHEGRAPH
Beneaththelistis a graphshowing
thechannelseachdetectednetwork
is using.Thecurrentlyselectednetworkis
highlighted.Thehigherthecurveonthegraph,
thestrongerthesignal.[ STEPBYSTEP]Diagnose
persistent
problems
AQUICK-FIREGUIDETO
NETWORKTROUBLESHOOTING.[ STEPBYSTEP]
HOWTOSCANFORNETWORKINTERFERENCESUPERGUIDEIMPROVEYOURHOMENETWORK