ReplacingtherearI/Oassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
ThissectionprovidesinstructionsonhowtoreplacetherearI/Oassembly.
ToreplacetherearI/Oassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage15.
4.RemovetherearI/Oassemblycover.See“RemovingorreinstallingtherearI/Oassemblycover”
onpage19.
5.LocatetherearI/Oassembly.See“Componentlocations”onpage11.
6.Removethefourscrews1thatsecuretherearI/OassemblyandthenremovetherearI/Oassembly
fromthecomputer.
Figure35.RemovingtherearI/Oassembly
7.ToinstallthenewrearI/Oassemblyintothecomputer,connectthenewrearI/Oassemblytotherear
I/Oassemblyconnectoronthesystemboard,andthenalignthefourscrewholeswiththoseinthe
computermainbracket.See“Systemboardpartandconnectorlocations”onpage12.
Chapter2.Installingorreplacinghardware45