7.Pullonthetipsoftherubbermountsuntiltherearfanassemblyissecuredinplace.
Figure21.Installingtherearfanassembly
8.Connecttherearfanassemblycabletothesystemfanconnectoronthesystemboard.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.
Replacingthebattery
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
safetyinformation”onpage1.
Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures,
suchasparallel-portassignments(configuration).Abatterykeepsthisinformationactivewhenyouturn
offthecomputer.
Thebatterynormallyrequiresnochargingormaintenancethroughoutitslife;however,nobatterylasts
forever.Ifthebatteryfails,thedate,time,andconfigurationinformation(includingpasswords)arelost.An
errormessageisdisplayedwhenyouturnonthecomputer.
Refertothe“Lithiumbatterynotice”intheThinkCentreSafetyandWarrantyGuideforinformationabout
replacinganddisposingofthebattery.
Toreplacethebattery,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)91
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