Personal Computer User Manual

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto“Removingtherearcover”.
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive”.
Step7.Removethemiddlecover.Referto“Removingthemiddlecover”.
Step8.PushthepinstoreleasetheBluetoothmodule.
Step9.DisconnectthecablefromtheBluetoothmodule.
Step10.ToinstallthenewBluetoothmodule:
a.ConnectthecabletothenewBluetoothmodule.
b.LineupthenewBluetoothmodulewiththesocket,snapitintopositionandsecureitwith
thepins.
Step11.Reattachthemiddlecover,opticaldrive,computerstandandtherearcover.
Replacingthebattery
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toreplacethebattery
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Chapter8.Replacinghardware41