Lenovo IdeaCentre A520 All-in-One Uživatelský manuál stáhnout pdf (Strana 43)

Step11.Lowerthemicroprocessorstraightdownintoitssocketonthemotherboard.1

Step12.TosecurethemicroprocessorbyturningtheCPUlockscrewclockwisetolocktheCPUinto

position.23

2 3

Step13.Useathermalgreasesyringetoplace5dropsofgreaseonthetopofthemicroprocessor.Each

dropofgreaseshouldbe0.03ml(3tickmarksonthegreasesyringe).

Step14.Reattachthesystemfan,heat-sink,andbasecover,thensecurethemwiththescrews.

Replacingtheopticaldrive

Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthebasecover.

Toreplacetheopticaldrive:

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.Disconnecttheopticaldrivedatacablefromtheconnectoronthemotherboard.

Chapter8.Replacinghardware37

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Lenovo IdeaCentre A520 All-in-One Uživatelský manuál Strana 43