Lenovo ThinkServer RD350 - Page 114

12.Closethemicroprocessorretainer.Closethesmallhandle1first.Then,closethesmallhandle2to
locktheretainerintopositionandsecurethenewmicroprocessorinthesocket.
Note:Therearetwomarksonthemicroprocessorretainer.Ensurethatyouclosethesmallhandle
markedwith
firstandthenclosethesmallhandlemarkedwith.Alwaysfollowthecorrectsequence
whenyouclosethesmallhandles.
Figure67.Securingthemicroprocessorinthesocket
13.Useacleaningpadtowipethethermalgreasefromtheremovedheatsink.Disposeofthecleaning
padafterallofthethermalgreaseisremoved.
14.Useoneofthefollowingmethodstoapplyappropriateamountofthermalgreasetothetopofthe
newlyinstalledmicroprocessorintheshapeofacrossoracircleasshown.Eithertoomuchortoo
lessapplicationofthermalgreasecancauseathermalproblemduetoimperfectcontactwiththe
components.
Notes:
•Donottouchthethermalgrease.
•Keepthethermalgreaseoffthesystemboard.
Figure68.Applyingthethermalgreasetothetopofthemicroprocessor
15.Reinstalltheheatsink.See“Installingorreplacingaheatsink”onpage90.
16.Ifyouareinstructedtoreturntheoldmicroprocessor,followallpackaginginstructionsanduseany
packagingmaterialsthataresuppliedtoyouforshipping.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
100ThinkServerRD350UserGuideandHardwareMaintenanceManual