Chapter9.ReplacingFRUs
ThischapterprovidesinstructionsaboutremovingorreplacingmajorFRUs.NotallFRUsaredocumented.
Important
BeforeyoureplaceanyFRU,readChapter2“Safetyinformation”onpage3.Theseprecautionsand
guidelineswillhelpyouworksafely.
FRUreplacementsaretobedonebytrainedservicetechniciansonly.
Removingandreinstallingthesystemstandhingecover
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheSafety,Warranty,andSetupGuidethatcamewithyourcomputer.Toobtainacopyofthe
Safety,Warranty,andSetupGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoremoveandreinstallthesystemstandhingecover.
CAUTION:
Turnoffthecomputerandwaitthreetoveminutestoletthecomputercoolbeforeremovingthe
systemstandhingecover.
Toremoveandreinstallthesystemstandhingecover,dothefollowing:
1.Removeanymediafromthedrivesandturnoffallattacheddevicesandthecomputer.
2.Disconnectallpowercordsfromelectricaloutlets.
3.Disconnectthepowercords,Input/Outputcables,andanyothercablesthatareconnectedtothe
computer.See“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage
61
and“Locatingconnectors,controls,andindicatorsontherearofyourcomputer”onpage62.
4.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
5.Removethescrewthatsecuresthesystemstandhingecover,andthenliftthesystemstandhingecover
upandremoveitfromthecomputer.
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