Lenovo 104 User Manual download pdf (Page 36)

Figure22.Removingthemicroprocessor

6.Makesurethatthesmallhandleisintheraisedposition.

7.Removetheprotectivecoverthatprotectsthegoldcontactsofthenewmicroprocessor.

8.Holdthenewmicroprocessorbyitssidesandalignthesmalltriangleononecornerofthenew

microprocessorwiththecorrespondingsmalltriangleononecornerofthemicroprocessorsocket.

9.Lowerthenewmicroprocessorstraightdownintothemicroprocessorsocketonthesystemboard.

10.Lowerthesmallhandletosecurethenewmicroprocessorinthesocket.

11.Reinstalltheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage23.

12.Reinstallanypartsandreconnectanycablesthathavebeenremovedordisconnected.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage43.

Replacingthepowersupplyassembly

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”

intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.T oobtainacopyoftheThinkCentre

SafetyandWarrantyGuide,goto:

http://www.lenovo.com/support

Thissectionprovidesinstructionsonhowtoreplacethepowersupplyassembly.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the

followingwarningsarerequiredforyoursafetyandproperUnderwritersLaboratories(UL)certication.

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Lenovo 104 User Manual Page 36