Lenovo 4162 Bedienungsanleitung PDF herunterladen (Seite 32)

7.Installthenewpowersupplyassemblyintothechassissothatthescrewholesinthenewpowersupply

assemblyarealignedwiththecorrespondingholesintherearofthechassis.

8.Installthefourscrewstosecurethenewpowersupplyassemblyinplace.

Note:UseonlyscrewsprovidedbyLenovo.

9.Connectthenewpowersupplyassemblycablestoalldrivesandthesystemboard.See“Locating

partsonthesystemboard”onpage9.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage37.

Replacingtheheatsinkandfanassembly

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”

intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.T oobtainacopyoftheThinkCentre

SafetyandWarrantyGuide,goto:

http://www.lenovo.com/support

Thissectionprovidesinstructionsonhowtoreplacetheheatsinkandfanassembly.

CAUTION:

Theheatsinkandfanassemblymightbeveryhot.Turnoffthecomputerandwaitthree

toveminutestoletthecomputercoolbeforeremovingthecomputercover.

Toreplacetheheatsinkandfanassembly,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect

allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage14.

3.Laythecomputeronitssideforeasieraccesstothesystemboard.

4.Locatetheheatsinkandfanassembly.See“Locatingcomponents”onpage9.

5.Disconnectanycablesthatmightpreventyouraccesstotheheatsinkandfanassembly.

6.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem

board.See“Locatingpartsonthesystemboard”onpage9

7.Pivotthehandle1toreleasetheheatsinkandfanassemblyclampandthendisengagetheclampfrom

theplasticretentionbracket.

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Lenovo 4162 Bedienungsanleitung Seite 32