10.Lowerandpositiontheheatsinkfanductonthetopoftheheatsinkandfanassemblyuntilthetwo
screwholesintheheatsinkfanductarealignedwiththecorrespondingholesintheheatsinkandfan
assembly.Then,installthetwoscrewstosecuretheheatsinkfanductinplace.
Figure26.Installingtheheatsinkfanduct
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage40.
Replacingtheopticaldrive
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtainacopyofthe
ThinkCentreSafetyandW arrantyGuide,goto:
http://support.lenovo.com
Thissectionprovidesinstructionsonhowtoreplacetheopticaldrive.
Toreplacetheopticaldrive,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage12.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage13.
4.Pivotthedrivebayassemblyupward.See“ Accessingthesystemboardcomponentsanddrives”
onpage14.
5.Disconnectthesignalcableandthepowercablefromtheopticaldrive.
Chapter2.Installingorreplacinghardware31