![](/images/backgrounds/111230/bg21.png)
Refertothe“Lithiumbatterynotice”intheThinkCentreSafetyandWarrantyGuideforinformationabout
replacinganddisposingofthebattery.
Toreplacethebattery,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Openthecomputercover.See“Openingthecomputercover”onpage14.
3.Locatethebattery.See“Locatingpartsonthesystemboard”onpage10.
4.Removetheoldbatt ery.
Figure20.Removingtheoldbattery
5.Installanewbatt ery.
Figure21.Installinganewbattery
6.Closethecomputercoverandconnectthecables.See“Completingthepartsreplacement”onpage52.
Note:Whenthecomputeristurnedonforthersttimeafterreplacingthebattery,anerrormessage
mightbedisplayed.Thisisnormalafterreplacingthebattery.
7.Turnonthecomputerandallattacheddevices.
8.UsetheSetupUtilityprogramtosetthedate,time,andanypasswords.SeeChapter4“UsingtheSetup
Utilitypr ogram”onpage61.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage52.
Replacingthehar ddiskdriveAttention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer .T oobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacetheharddiskdrive.
Chapter2.Installingorreplacinghardware27