Dell Alienware Aurora R6 Service Manual
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2Usingthetab,slideandremovethereartrimcoverfromthechassis. Figure45.Removingthereartrimcover 1chassis2reartrimcover121

Replacingthereartrimcover WARNING:Beforeworkinginsideyourcomputer,readthesafety informationthatshippedwithyourcomputerandfollowthestepsin Beforeworkinginsideyourcomputer.Afterworkinginsideyour computer,followtheinstructionsin Afterworkinginsideyour computer.Formoresafetybestpractices,seetheRegulatory Compliancehomepageat www.dell.com/regulatoryBcompliance. Procedure Alignthetabsonthereartrimcoverwiththeslotsonthechassisandsnapthe covertolockitinplace. Post-requisites 1Replacethetopcover. 2Replacetheright-sidecover. 3Replacetheleft-sidecover. 122

Removingthesystemboard WARNING:Beforeworkinginsideyourcomputer,readthesafety informationthatshippedwithyourcomputerandfollowthestepsin Beforeworkinginsideyourcomputer.Afterworkinginsideyour computer,followtheinstructionsin Afterworkinginsideyour computer.Formoresafetybestpractices,seetheRegulatory Compliancehomepageat www.dell.com/regulatoryBcompliance. NOTE:Yourcomputer

Procedure NOTE:Notetheroutingofallcablesasyouremovethemsothatyou canreroutethemcorrectlyafteryoureplacethesystemboard.For informationonsystemboardconnectors,see System-board components. 124

1Disconnectallthecablesconnectedtothesystem-boardassembly. Figure46.Removingthesystemboard 1ToppanelUSBcables (SSUSB)2SATA6Gbpsdrivecable (SATA1)3SATA6Gbpsdrivecable (SATA2)4systemboard5front-panelaudiocable (FBAUDIO)6LEDcontrollercable (LEDBCONTROLLER)7graphics-cardpowercable (GPUBPOWER)8processorpowercable (ATXBCPU)9top-chassisfancable (TOPBFAN)10system-boardpowercable11front-chassisfancable (FRONTBFAN)125

2Removethescrewsthatsecurethesystem-boardassemblytothechassis. 3Liftthesystem-boardassemblyoutofthechassis. Figure47.Removingthesystemboard 1chassis2systemboard3screws(8)126

Replacingthesystemboard WARNING:Beforeworkinginsideyourcomputer,readthesafety informationthatshippedwithyourcomputerandfollowthestepsin Beforeworkinginsideyourcomputer.Afterworkinginsideyour computer,followtheinstructionsin Afterworkinginsideyour computer.Formoresafetybestpractices,seetheRegulatory Compliancehomepageat www.dell.com/regulatoryBcompliance. NOTE:Yourcomputer

7Followtheprocedurefromstep10tostep11in"Replacingthepower-supply unit". 8Replacetheleft-sidecover. EnteringtheServiceTagintheBIOS setupprogram 1Turnonorrestartyourcomputer. 2PressF2whentheAlienHeadlogoisdisplayedtoentertheBIOSsetup program. 3NavigatetotheMaintabandentertheServiceTagintheServiceTag Input field. 128

BIOSsetupprogram BIOSoverview CAUTION:Unlessyouareanexpertcomputeruser,donotchangethe settingsintheBIOSSetupprogram.Certainchangescanmakeyour computerworkincorrectly. NOTE:BeforeyouchangeBIOSSetupprogram,itisrecommended thatyouwritedowntheBIOSSetupprogramscreeninformationfor futurereference. UsetheBIOSSetupprogramforthefollowingpurposes: