Lenovo ThinkCentre Edge 91z - Installing or Replacing a Memory Module

2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage95.
4.Locatethebatteryonthesystemboard.See“FRUlocations”onpage86.
5.Removethesystemboardshieldoropenthesystemboardshieldwindowtogetaccesstothebattery.
See“Removingandreinstallingthesystemboardshield”onpage102
or“Openingthesystemboard
shieldwindow”onpage112.
6.Removethebattery.
Figure35.Removingthebattery
7.Installanewbattery.
Figure36.Installinganewbattery
8.Reinstallthesystemboardshieldorclosethesystemboardshieldwindow.See“Removingand
reinstallingthesystemboardshield”onpage102
or“Openingthesystemboardshieldwindow”on
page112.
9.Reinstallthecomputercover.See“Completingthepartsreplacement”onpage127.
10.Turnonthecomputerandallattacheddevices.
Note:Whenyouturnthecomputerforthersttimeafterreplacingthebattery,anerrormessagemight
bedisplayed.Thisisnormalafterreplacingthebattery.
11.UsetheSetupUtilityprogramtosetthedate,time,andanypasswords.SeeChapter6“UsingtheSetup
Utilityprogram”onpage57.
Installingorreplacingamemorymodule
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreEdgeSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtainacopyofthe
ThinkCentreEdgeSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.
114ThinkCentreHardwareMaintenanceManual