Lenovo ThinkCentre E73z - Replacing the Card Reader

Figure31.Installingthemicroprocessor
11.Lowerthenewmicroprocessorstraightdownintothemicroprocessorsocketonthesystemboard.
12.Closethemicroprocessorretainerandlockitintopositionwiththesmallhandletosecurethenew
microprocessorinthesocket.
13.Reinstalltheheatsinkassembly.See“Replacingtheheatsinkassembly”onpage90.
14.Reinstallthesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage83.
15.Goto“Completingthepartsreplacement”onpage108.
Replacingthecardreader
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe
“Importantsafetyinformation”onpage1
Thissectionprovidesinstructionsonhowtoreplacethecardreader.
Note:Thecardreaderisavailableonlyinsomemodels.
Toreplacethecardreader,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage75.
4.Locatethecardreaderinthecomputer.See“LocatingmajorFRUsandCRUs”onpage66.
5.Removethesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage83.
6.Disconnectthecardreadercablefromthecardreader.
94ThinkCentreE73zHardwareMaintenanceManual