Figure22.Removingthemicroprocessor
6.Makesurethatthesmallhandleisintheraisedposition.
7.Removetheprotectivecoverthatprotectsthegoldcontactsofthenewmicroprocessor.
8.Holdthenewmicroprocessorbyitssidesandalignthesmalltriangleononecornerofthenew
microprocessorwiththecorrespondingsmalltriangleononecornerofthemicroprocessorsocket.
9.Lowerthenewmicroprocessorstraightdownintothemicroprocessorsocketonthesystemboard.
10.Lowerthesmallhandletosecurethenewmicropr ocessorinthesocket.
11.Reinstalltheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage22.
12.Reinstallanypartsandreconnectanycablesthathavebeenremovedordisconnected.
Whattodonext:
•Toworkwithanotherpieceofhar dware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage40.
Replacingthepowersupplyassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethepowersupplyassembly.
Althoughtherearenomovingpartsinyourcomput erafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafetyandproperUnderwritersLaboratories(UL)certication.
DANGER
Hazardousmovingparts.Keepngersandotherbodypartsaway .
Chapter2.Installingorreplacinghardware27