User guide

9.Securethecableofthenewinternalspeakerintheretainingcliponthesideofthethermalmodule
bracket.
Figure63.Securingtheinternalspeakercable
10.Connectthecableofthenewinternalspeakertotheinternalspeakerconnectoronthesystemboard.
See“Locatingpartsonthesystemboard”onpage13.
11.Reinstalltheharddiskdriveassembly.See“Installingorremovingtheharddiskdriveassembly”
onpage55.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage78
.
Replacingthecoverpresenceswitch
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacethecoverpresenceswitch(alsoknownasintrusion
switch).
Toreplacethecoverpresenceswitch,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage53.
3.Locatethecoverpresenceswitchinthecomputer.See“Locatingcomponents”onpage12.
4.Disconnectthecoverpresenceswitchcablefromthesystemboard.
Chapter5.Installingorreplacinghardware69