Replacingthekeyboardandmouse
Note:YourkeyboardwillbeconnectedtoaUSBconnectorateithersideorattherearofthecomputer.
Toreplacethekeyboard:
Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdownthecomputer,and
turnoffallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Locatetheconnectorforthekeyboard.Referto“Sideviewofthecomputer”and“Rearviewof
thecomputer”.
Step4.Disconnectthedefectivekeyboardcablefromthecomputerandconnectthenewkeyboardcable
tothesameconnector.
Step5.Themousecanbereplacedusingthesamemethod.
Replacingtheadapter
Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Disconnecttheadapterfromtheconnectoronthecomputer,thenunplugtheadapterfrom
electricaloutlet.
28LenovoAll-In-One300ComputerHardwareMaintenanceManual