Lenovo ThinkCentre Edge 91z - Page 115

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage95.
4.Locatethemicroprocessoronthesystemboard.See“FRUlocations”onpage86.
5.Removethesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage102.
6.Removetheheatsinkassemblytogainaccesstothemicroprocessor.See“Replacingtheheatsink
assembly”onpage107.
7.Pressthesmallhandle1toopentheretainer2toaccessthemicroprocessor3.
Figure29.Openingtheretainertoaccessthemicroprocessor
8.Liftthemicroprocessorstraightupandoutofthesocket.
Notes:
a.Yourmicroprocessorandsocketmightlookdifferentfromtheoneillustrated.
b.Notetheorientationofthemicroprocessorinthesocket.Youcaneitherlookforthesmalltriangle1
ononecornerofthemicroprocessorornotetheorientationofthenotches2onthemicroprocessor.
Thisisimportantwheninstallinganewmicroprocessoronthesystemboard.
Chapter8.ReplacingFRUs109