52–KOMPLETEAUDIO6–Manual
8.3.3 UsingapoweredUSB2.0hub
ConnecttheKOMPLETEAUDIO6toaUSB2.0portdirectlyonyourcomputer.Incertain
situations,apoweredUSBhubmayalsowork(e.g.,ifyouarehavingproblemsconnecting
yourKOMPLETEAUDIO6toanonboardUSBport);inthiscase,trytoavoidconnecting
otherdevicestothehubifpossible,aseachbus-powereddevicetakesitssharefromthe
totalamountofpoweravailableperbus.
8.3.4 RecommendedUSB-ports(MacBookOnly)
For a current list of recommended ports on Mac Laptops (MacBook and MacBook Pro),
please referto our knowledge base article http://www.native-instruments.com/knowledge/
questions/263.
8.3.5 DisableUSBEnergySavingMode(Windowsonly)
IftheKOMPLETEAUDIO6iscausingcrashesorperformingbadlyonaWindowsmachine,
disablepowermanagementtotheUSBhubsrst;seetheWindowsdocumentationforfur-
ther instructions.
8.3.6 UpdatetheDriver
Wheneveryouencounterproblems,youshouldalsocheckifyouhavethelatestdriverisinstalled.
Forupdates,visittheproductpageonourwebsite:http://www.native-instruments.com/KA6.
8.4 HowtoavoidGroundLoops
Ground loopsareacommonproblemwithinanyenvironmentwheremultipleelectricalde-
vicesareconnectedtothesamepowercircuit.Incomplexsetups,thecause(s)ofthenoise
canbedifculttond.Groundloopsareperceivedusuallyasahumorbuzzinyouraudio
signal,butthiscanalsotransmitandamplifyothersoundsfromthedevicesconnectedto
thecircuit.Forexample,oneverycommonproblemisthatyouhearinternalclickingsounds
createdbyyourcomputer.
Thecauseofthenoiseisusuallythecomputeranditsinternaldevices,ordevicesconnected
tothecomputer suchas externalharddrives (notethatevenifthepowersupplyofyour
notebookcomputerisnotconnected,yoursetupmaystillbevulnerabletogroundnoisefrom
anexternaldevicewithitsownpowersupply).Thecausecanalsobeanyotherdevice(such
asaradioortelevision).Thereasonwhythisnoiseispresentatthemonitorspeakersinput
hastodowithaloopinthesetupofyourelectricalandaudiocableconnections.Mostlikely
thisloopoccursthroughthegroundofoneormoreofthesecables.Withthisinmind,the
followingsectionshouldhelptoeliminatethegroundloop.