Lenovo ThinkCentre Edge - Page 125

Figure40.Removingthesevenscrewsthatsecurethesystemboardtothemainbracket
13.Placethenewsystemboardintothechassisandalignthescrewholeswiththoseinthechassis.
14.Reinstallthesevenscrewsthatsecurethesystemboardtothemainbracket.
15.ReinstalltherearI/Oassembly.See“ReplacingtherearI/Oassembly”onpage100.
16.Reinstallthebattery.See“Replacingthebattery”onpage112.
17.Reinstallthememorymodules.See“Installingorreplacingamemorymodule”onpage114.
18.Reinstallthemicroprocessor.See“Replacingthemicroprocessor”onpage107.
19.Reinstalltheheatsinkassembly.See“Replacingtheheatsinkassembly”onpage105.
20.Reinstallthesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage102.
21.Reconnectallcablesthatweredisconnectedfromthesystemboard.See“Systemboardpartsand
connectors”onpage88
.
22.Goto“Completingthepartsreplacement”onpage125.
Thefailingsystemboardmustbereturnedwithamicroprocessorsocketcovertoprotectthepinsduring
shippingandhandling.
Toinstallthemicroprocessorsocketcover,dothefollowing:
1.Releasetheleversecuringthemicroprocessorretainerandopentheretainertoaccessthe
microprocessor.
2.Graspthemicroprocessoronthesidesandliftitstraightupandoutofthesocket.Donottouchthe
contactsonthemicroprocessorsocket.
3.Notetheorientationofthesocketcover.Alignthenotches1onthemicroprocessorsocketcover
withthealignmentkeys2onthemicroprocessorsocket.Installonesideofthesocketcoverinto
themicroprocessorsocket.
Chapter8.ReplacingFRUs119