Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter
1“Safetyinformation”onpage1.
ToreplacetherearI/Oassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputerstand.See“Removingandinstallingthecomputerstand”onpage73.
4.Removethecomputercover.See“Removingthecomputercover”onpage76.
5.Removethesystem-boardshield.See“Removingandinstallingthesystem-boardshield”onpage86.
6.Removethefivescrews1,andthengentlytwisttherearI/Oassemblytofreeitfromthesystem
board.Then,lifttherearI/Oassemblyasshown.
Figure22.RemovingthefivescrewsthatsecuretherearI/Oassembly
88ThinkCentreM83zHardwareMaintenanceManual
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