Lenovo IdeaCentre B750 All-in-One Bedienungsanleitung Seite 44

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Seitenansicht 43
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.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover”.
Step8.Pushthepintoremovethepowerswitchboard1,disconnectthepowerswitchcable2,then
liftoutthepowerswitchboard.
3
Step9.Toinstallthenewthepowerswitchboard:
a.Connectthepowerswitchcabletothepowerswitchboard.
b.Insertthepowerswitchboard,snapitinpositionandsecureitwiththepin.
Step10.Reattachthemiddlecover,opticaldrive,computerstandandtherearcover.
RemovingtheEMIcover
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
ToreplacetheEMIcover
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
38IdeaCentreB750HardwareMaintenanceManual
Seitenansicht 43
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