10.Installthescrewtosecurethecar dreaderbrackettothechassis.
Figure19.Installingthescrewthatsecuresthecardreader
11.PivottheopticaldrivebayupwardandreconnectthecardreadercabletooneoftheUSBconnectors
onthesystemboard.See“Locatingpartsonthesystemboard”onpage10.
12.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage15.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage52.
Replacingthebattery
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures,
suchasparallel-portassignments(conguration).Abatterykeepsthisinformationactivewhenyouturn
offthecomputer.
Thebatterynormallyrequiresnochargingormaintenancethroughoutitslife;however ,nobatterylasts
forever.Ifthebatteryfails,thedate,time,andcongurationinformation(includingpasswords)ar elost.An
errormessageisdisplayedwhenyouturnonthecomputer.
26ThinkCentreUserGuide