Lenovo M73 Betriebsanweisung PDF herunterladen (Seite 79)

9.Securethecableofthenewinternalspeakerintheretainingcliponthesideofthethermalmodule

bracket.

Figure63.Securingtheinternalspeakercable

10.Connectthecableofthenewinternalspeakertotheinternalspeakerconnectoronthesystemboard.

See“Locatingpartsonthesystemboard”onpage13.

11.Reinstalltheharddiskdriveassembly.See“Installingorremovingtheharddiskdriveassembly”

onpage53.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76

Replacingthecoverpresenceswitch

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”

onpagev.

Thissectionprovidesinstructionsonhowtoreplacethecoverpresenceswitch(alsoknownasintrusion

switch).

Toreplacethecoverpresenceswitch,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage51.

3.Locatethecoverpresenceswitchinthecomputer.See“Locatingcomponents”onpage12.

4.Disconnectthecoverpresenceswitchcablefromthesystemboard.

Chapter5.Installingorreplacinghardware67

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Lenovo M73 Betriebsanweisung Seite 79