Lenovo Laptop S710 Manuale Utente Pagina 86

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8.Liftthefailingheatsinkassemblyoffthesystemboard.
Notes:
a.Youmighthavetogentlytwisttheheatsinkassemblytofreeitfromthemicroprocessor.
b.Donottouchthethermalgreasewhilehandlingtheheatsinkassembly.
9.Toreinstalltheheatsinkassembly,positionthenewheatsinkassemblyonthesystemboardsothatthe
vescrewsarealignedwiththecorrespondingholesinthesystemboardandcomputermainbracket.
10.Followthesequence1,2,3,4ontheheatsinkassemblytotightenthefourscrewsandinstallthe
screw5tosecuretheheatsinkassemblytothesystemboard,asshowninFigure20“Loosingthe
screwsthatsecuretheheatsinkassemblytothesystemboard”onpage79.
11.Reinstallthesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage76.
12.Goto“Completingthepartsreplacement”onpage96.
Replacingthemicroprocessor
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheSafety,Warranty,andSetupGuidethatcamewithyourcomputer.Toobtainacopyofthe
Safety,Warranty,andSetupGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.
CAUTION:
Theheatsinkandfanassemblymightbeveryhot.Turnoffthecomputerandwaitthreetove
minutestoletthecomputercoolbeforeremovingthecomputercover.
Toreplacethemicroprocessor,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercoveronpage71.
4.RemovetheVESAmountbracket.See“RemovingandreinstallingtheVESAmountbracket”onpage71.
5.Locatethemicroprocessoronthesystemboard.See“LocatingmajorFRUsandCRUs”onpage63.
6.Removethesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage76.
7.Removetheheatsinkassemblytogainaccesstothemicroprocessor.See“Replacingtheheatsink
assembly”onpage78.
8.Pressthesmallhandle1toopentheretainer2toaccessthemicroprocessor3.
80LenovoS710All-In-OneHardwareMaintenanceManual
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