Lenovo H520g Desktop Bedienungsanleitung PDF herunterladen (Seite 81)

Figure11.InstallingaPCIcard

8.ReinstallthescrewtosecurethePCIcardlatchinplace.

9.Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage93.

Replacingthebattery

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”

intheUserGuide.ToobtainacopyoftheUserGuide,goto:

http://www.lenovo.com/ThinkCentreUserGuides

Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures,

suchasparallel-portassignments(conguration).Abatterykeepsthisinformationactivewhenyouturn

offthecomputer.

Thebatterynormallyrequiresnochargingormaintenancethroughoutitslife;however,nobatterylasts

forever.Ifthebatteryfails,thedate,time,andcongurationinformation(includingpasswords)arelost.An

errormessageisdisplayedwhenyouturnonthecomputer.

Refertothe“Lithiumbatterynotice”intheSafety,Warranty,andSetupGuideforinformationaboutreplacing

anddisposingofthebattery.

Toreplacethebattery,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage72.

3.Locatethebattery.See“Locatingpartsonthesystemboard”onpage68.

Chapter9.ReplacingFRUs77

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Lenovo H520g Desktop Bedienungsanleitung Seite 81