Lenovo ThinkCentre Edge 91z - Replacing the Card Reader

Figure32.Installingthemicroprocessor
11.Lowerthenewmicroprocessorstraightdownintothemicroprocessorsocketonthesystemboard.
12.Closethemicroprocessorretainerandlockitintopositionwiththesmallhandletosecurethenew
microprocessorinthesocket.
13.Reinstalltheheatsinkassembly.See“Replacingtheheatsinkassembly”onpage107.
14.Reinstallthesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage102.
15.Goto“Completingthepartsreplacement”onpage127.
Replacingthecardreader
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreEdgeSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtaina
copyoftheThinkCentreEdgeSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethecardreader.
Note:Thecardreaderisavailableonlyinsomemodels.
Toreplacethecardreader,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage95.
4.Locatethecardreaderinthecomputer.See“FRUlocations”onpage86.
5.Removethesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage102.
6.Disconnectthecardreadercablefromthecardreader.
Chapter8.ReplacingFRUs111