User's Manual

8.Dependingonwhichfanassemblyyouarereplacing,reconnectthefanassemblycabletotheadapter
cardfanassemblyconnectorortherearfanassemblyconnectoronthesystemboard.See“Locating
partsonthesystemboardonpage81.
9.Ifyouareinstallingtheharddiskdrivefanassembly,reinstallthefrontbezel.
10.Goto“CompletingtheFRUreplacement”onpage108.
Replacingthefrontpanelconnectorsassembly
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkStationSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkStation
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support.
Thissectionprovidesinstructionsonhowtoreplacethefrontpanelconnectorsassembly.
Toremoveorreplacethefrontpanelconnectorsassembly,dothefollowing:
1.Removethecomputercover.See“Removingthecover”onpage78.
2.Removethefrontbezel.See“Removingthefrontbezel”onpage82.
3.Locatethefrontpanelconnectorsassembly.
4.Disconnectthefrontaudio,frontUSB,andauxiliaryLEDcablesfromthesystemboardandnotethe
cablesrouting.See“Locatingpartsonthesystemboardonpage81.
5.Removethescrewthatsecuresthefrontpanelconnectorsassemblytothechassis.Rotatethe
assemblytoreleaseitcompletelyfromthechassis.
Chapter10.ReplacingFRUs(Type4105,4157,4217)105