Personal Computer User Manual
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage75.
4.Locatethesystemboardshieldinthecomputer.See“LocatingmajorFRUsandCRUs”onpage66.
5.Removethetwoscrews1thatsecuresthesystemboardshield,andthenslidethesystemboard
shieldoutofthecomputer.
Figure21.Removingthesystemboardshield
6.Toreinstallthesystemboardshield,slidethesystemboardshieldintothesystemboardshieldslotso
thatthescrewholesalignswiththatinthecomputer.
7.Reinstallthetwoscrewstosecurethesystemboardshieldtothecomputer.
8.Goto“Completingthepartsreplacement”onpage108.
ReplacingtherearI/Oassembly
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe
“Importantsafetyinformation”onpage1
ThissectionprovidesinstructionsonhowtoreplacetherearI/Oassembly.
84ThinkCentreE73zHardwareMaintenanceManual