Lenovo ThinkCentre A70z - Installing a Battery; Replacing the System Fan; Removing the System Fan

8.Disposeofthebatteryasrequiredbylocalordinancesorregulations.SeetheThinkCentreSafetyand
WarrantyGuideformoreinformation.
Installingabattery
Toinstallabattery,dothefollowing:
1.Turnoffthecomputer.
2.Disconnectallcables,powercords,andexternaloptionsfromyourcomputer.See“Rearconnectors”
onpage65.
3.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
4.Removethecomputercover.See“Removingthecomputercover”onpage70.
5.Openthesystemboardshielding.See“Openingthesystemboardshielding”onpage71.
6.Tiltthebatterysothatyoucaninsertitintothesocketonthesideoppositethebatteryclip.
7.Pressthebatterydownintothesocketuntilitclicksintoplace.Makesurethatthebatteryclipholdsthe
batterysecurely.
8.Closethesystemboardshielding.See“Closingthesystemboardshielding”onpage72.
9.Goto“CompletingtheFRUinstallation”onpage108.
Replacingthesystemfan
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtainacopy
oftheThinkCentreSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethesystemfan.
Removingthesystemfan
Toremovethesystemfan,dothefollowing:
1.Turnoffthecomputer.
2.Disconnectallcables,powercords,andexternaloptionsfromyourcomputer.See“Rearconnectors”
onpage65.
3.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
4.Removethecomputercover.See“Removingthecomputercover”onpage70.
5.Removetheinverter.See“Replacingtheinverter”onpage97.
6.RemovetherearI/OassemblyanddisconnectallthecablesfromtherearI/Oassembly.See“Removing
therearI/Oassembly”onpage92.
100ThinkCentreHardwareMaintenanceManual