10.Installthescrewtosecurethecar dreaderbrackettothechassis.
Figure42.Installingthescrewthatsecuresthecardreader
11.PivottheopticaldrivebayupwardandreconnectthecardreadercabletooneoftheUSBconnectors
onthesystemboard.See“Locatingpartsonthesystemboard”onpage11.
12.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage30.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage68.
Replacingthesystemfanassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowt oreplacethesystemfanassembly.
Toreplacethesystemfanassembly,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Openthecomputercover.See“Openingthecomputercover”onpage30.
3.Removetheharddiskdrive.See“Replacingtheharddiskdrive”onpage49.
4.Locatethesystemfanassembly.See“Locatingcomponents”onpage10.
Chapter5.Installingorreplacinghardware59