Lenovo C260 All-In-One PC Hardware Maintenance Manual

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto"Removingtherearcover".
Step5.Disconnectthespeakercablefromtheconnectoronmotherboard.
Step6.Detachthespeakersystemfromtherubberscrews.
Step7.Toinstallthenewspeakersystem:
a.Securethenewspeakersystemtothechassiswiththerubberscrews.
b.Connectthenewspeakercabletotheconnectoronthemotherboard.
Step8.Reattachtherearcover,standandstandcover.
Replacingtheindicatorboard
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Replacingthepowerswitchboard
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
Toreplacethepowerswitchboard:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Chapter7.Replacinghardware33