Computer Hardware User Manual

9.Reinstalltheharddiskdrive.See“Replacingtheharddiskdrive”onpage134.
10.Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage160.
Replacingtheinternalspeaker
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreUserGuide.ToobtainacopyoftheThinkCentreUserGuide,goto:
http://www.lenovo.com/ThinkCentreUserGuides
Thissectionprovidesinstructionsonhowtoreplacetheinternalspeaker.
Note:Theinternalspeakerisonlyavailableinsomemodels.
Toreplacetheinternalspeaker,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Openthecomputercover.See“Openingthecomputercover”onpage121.
3.Removethefrontbezelbyreleasingthethreeplastictabsandpivotingthefrontbezeloutward.
Figure94.Removingthefrontbezel
4.Locatetheinternalspeaker.See“Locatingcomponents”onpage118.
5.Disconnecttheinternalspeakercablefromtheinternalspeakerconnectoronthesystemboard.See
“Locatingpartsonthesystemboard”onpage77.
Chapter9.ReplacingFRUs(MachineTypes:4466,4471,4474,4477,4480,4485,4496,4498,4503,4512,4514,
4518,4554,7005,7023,7033,7035,7072,7079,and7177.)155