Lenovo IdeaCentre Q190 Desktop Manuale Utente Scaricare il pdf (Pagina 39)

Step6.Removethe4screwsthatsecurethesystemfantothemotherboard.

Step7.Removetheheat-sinkbyliftingitup.

Step8.Toinstallthenewheat-sink:

a.Lineupthenewheat-sinkwiththemountingholesonthechassisandplaceitintoposition.

b.Securethenewheat-sinkwiththe4screws.

Step9.Reattachthesystemfanandcomputercover.

Replacingthesystemfan

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toreplacethesystemfan:

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethecomputercover.Referto“Removingthecomputercover”.

Chapter8.Replacinghardware33

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Lenovo IdeaCentre Q190 Desktop Manuale Utente Pagina 39