Personal Computer User Manual

Figure20.Installinganewopticaldrive
8.Connectthesignalcableandthepowercabletotherearoftheopticaldrive.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage32.
Replacingthepowersupplyassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethepowersupplyassembly.
Toreplacethepowersupplyassembly,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Disconnectthepowercords,Input/Outputcables,andanyothercablesthatareconnectedtothe
computer.
3.Removethefourscrewsattherearofthechassisthatsecurethepowersupplyassembly.
22ThinkCentreUserGuide