Lenovo H520s Bedienungsanleitung PDF herunterladen (Seite 43)

Replacingthesystemfan

Toreplacethesystemfan:

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.Removethecomputercover.Referto“Removingthecomputercover”.

Step5.Removethefrontbezel.Referto“Removingthefrontbezel”.

Step6.Disconnectthefanpowercablefromtheconnectoronthemotherboard.

Step7.Removethe4screwsthatsecurethesystemfantotheheat-sink,slidethenliftthesystemfan

outtoremoveit.

Step8.Toinstallthenewsystemfan:

a.Lineupthenewsystemfanwiththechassisandsecureittothechassiswith3screws.

b.Connectthesystemfanpowercabletotheconnectorontheboard.

Step9.Reattachthefrontbezel,computercover.

Replacingthemicroprocessorfan

Toreplacethemicroprocessorfan:

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.Removethecomputercover.Referto“Removingthecomputercover”.

Step5.Disconnectthefanpowercablefromtheconnectoronthemotherboard.

Chapter8.Replacinghardware37

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Lenovo H520s Bedienungsanleitung Seite 43