Lenovo B50-30 All-in-One Bedienungsanleitung PDF herunterladen (Seite 48)

Note:Itmaybehelpfultoplacethecomputerface-downonasoftﬂatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toreplacethemotherboard:

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.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removethememorymodules.Referto“Replacingamemorymodule”.

Step7.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step8.Removethestandholder.Referto“Removingthestandholder” .

Step9.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step10.RemovetheEMIcover.Referto“RemovingtheEMIcover”.

Step11.Removetheheat-sink.Referto“Replacingtheheat-sink” .

Step12.RemovetheCPU.Referto“ReplacingtheCPU”.

Step13.RemovetheTV-Tunercard.Referto“ReplacingtheTVtunercard”.

Step14.RemovetheWLANcard.Referto“ReplacingtheWLANcard”.

Step15.RemovetheTV-Tunerantennajackasshown.

Step16.Unplugthefollowingcablesfromconnectorsonthemotherboard:

•Convertercable

•Systemfanpowercable

•Touchcontrolboardcable

•OpticaldriveSATAcable(Red)

•HarddiskdriveSATAcable(Black)

•Powersupplycable

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Lenovo B50-30 All-in-One Bedienungsanleitung Seite 48