Lenovo IdeaCentre B520e User Manual Page 45

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Step9.Makesurethatthemicroprocessorretainerisfullyopen.
Step10.Holdingthesidesofthemicroprocessorwithyourngers,removetheprotectivecoverthat
protectsthegoldcontactsonthenewmicroprocessor
.
Step11.Holdingthesidesofthemicroprocessorwithyourngers,positionthemicroprocessorsothatthe
notchesonthemicroprocessorarealignedwiththetabsinthemicroprocessorsocket.
Important:Toavoiddamagingthemicroprocessorcontacts,keepthemicroprocessorcompletelylevel
whileinstallingitintothesocket.
Step12.Lowerthemicroprocessorstraightdownintoitssocketonthemotherboard.
Step13.Tosecurethemicroprocessorinthesocket,closethemicroprocessorretainerandlockitinto
positionwiththesmallhandle.
Step14.Useathermalgreasesyringetoplace5dropsofgreaseonthetopofthemicroprocessor.Each
dropofgreaseshouldbe0.03ml(3tickmarksonthegreasesyringe).
Step15.Installthesystemfanandheatsinkback.
Step16.InstalltheEMIcover,backdeco,thecomputercoverandthecomputerstandback.
Chapter8.Replacinghardware39
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