Lenovo E93 Especificações descarregar pdf (Página 159)

Figure103.Removingtheeightscrewsthatsecurethesystemboard

9.Liftthesystemboardoutofthechassis.

10.Removethemicroprocessorfromthefailingsystemboardandinstallitonthenewsystemboard.See

“Replacingthemicroprocessor”onpage146.

11.Installthenewsystemboardintothechassisbyaligningtheeightmountingstudsinthechassiswiththe

correspondingholesinthenewsystemboard.Then,installtheeightscrewstosecurethesystemboard.

12.Installtheheatsinkandfanassemblyandconnecttheheatsinkandfanassemblycabletothenew

systemboard.See“Replacingtheheatsinkandfanassembly”onpage125.

13.InstallallmemorymodulesandPCIcardsremovedfromthefailingsystemboardonthenewsystem

board.See“Installingorreplacingamemorymodule”onpage152and“Installingorreplacinga

PCIcard”onpage149.

14.Reconnectallremainingcablestothesystemboard.See“Locatingpartsonthesystemboard”

onpage78

15.Pivottheopticaldrivebayassemblydownwarduntilitsnapsintoposition.

16.Tocompletethereplacement,goto“Completingthepartsreplacement”onpage165.

Thefailingsystemboardmustbereturnedwithamicroprocessorsocketcovertoprotectthepinsduring

shippingandhandling.

Toinstallthemicroprocessorsocketcover,dothefollowing:

1.Releasetheleversecuringthemicroprocessorretainerandopentheretainertoaccessthe

microprocessor.

2.Graspthemicroprocessoronthesidesandliftitstraightupandoutofthesocket.Donottouchthe

contactsonthemicroprocessorsocket.

Chapter10.ReplacingFRUs(machinetype:10AQ)155

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