Lenovo A730 All-in-One IdeaCentre Bedienungsanleitung PDF herunterladen (Seite 42)

Step7.Removetheheat-sinkbyliftingitup.

Attention:Placetheheat-sinkupsidedownonaatsurfacetopreventthermalgreasefromcontaminating

othercomponents.

Attention:Useanalcoholpadtowipethethermalgreaseofftheheat-sinkandCPU.

Step8.Useathermalgreasesyringetoplace5dropsofgreaseonthetopofthemicroprocessor.Each

dropofgreaseshouldbe0.03ml(3tickmarksonthegreasesyringe).

Step9.Lineupthenewheat-sinkthensecureittothemotherboardwiththe9screws.

Step10.Attachthesystemfantothenewheat-sinkandsecureitwiththescrews.

Step11.Reattachthebasecoverandsecureitwiththescrews.

ReplacingtheCPU

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

ToreplacetheCPU

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.Removethebasecover.Referto“Removingthebasecover” .

Step5.Removethesystemfan.Referto“Replacingthesystemfan” .

Step6.Removetheheat-sink.Referto“Replacingtheheat-sink” .

Step7.UseaatheadscrewdrivertoturntheCPUlockscrewcounterclockwisetounlocktheCPU.12

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Lenovo A730 All-in-One IdeaCentre Bedienungsanleitung Seite 42