1.Removeanymediafromthedrives.Then,turnoffallattacheddevicesandthecomputer.
2.Disconnectallpowercordsfromelectricaloutlets.
3.Disconnectthepowercords,Input/Output(I/O)cables,andanyothercablesthatareconnectedtothe
computer.
4.Removeanylockingdevices,suchasacablelockthatsecuresthecomputercover.
5.Pushthecover-releasebuttononthesideofthecomputerandpivotthecomputercoveroutward.
Figure5.Removingthecomputercover
6.Notethelocationsofallpartsandconnectorsonthesystemboard.See“Locatingpartsonthe
systemboard”onpage67.
7.Disconnectallthecablesfromthesystemboardandcompletelyremovethecomputercover.
Removingandreinstallingthefrontbezel
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoremoveandreinstallthefrontbezel.
Toremoveandreinstallthefrontbezel,dothefollowing:
1.Removethecomputercover.See“Removingthecomputercover”onpage68.
2.Removethefrontbezelbyreleasingthetwoplastictabsandpivotingthefrontbezelforwardto
completelyremoveitfromthecomputer.
Chapter8.ReplacingFRUs69
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