Personal Computer User Manual

10.Connectthesystemfancabletothesystemfanconnectoronthesystemboard.See“Locatingpartson
thesystemboard”onpage12.
11.Reinstalltheheatsink.See“Replacingtheheatsink”onpage55.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage75
.
Replacingtheinternalspeaker
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacetheinternalspeaker.
Note:Theinternalspeakerisonlyavailableinsomemodels.
Toreplacetheinternalspeaker,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage33.
3.Locatetheinternalspeakerinthecomputer.See“Locatingpartsonthesystemboard”onpage12.
4.Removetheharddiskdrivebracket.See“Replacingtheharddiskdrivebracket”onpage60.
5.Disconnecttheinternalspeakercablefromthesystemboard.See“Locatingpartsonthesystem
board”onpage12.
72ThinkCentreUserGuide