Lenovo H520s Uživatelský manuál stáhnout pdf (Strana 41)

Step8.SlidethenliftthePowersupplyoutofchassis.

Step9.Installthenewpowersupply：

a.Lineuptheholesonthenewpowersupplywithmountingholesontherearofthechassisand

secureittothechassiswiththe3screws.

b.Connectthepowercablestotheconnectorsonthemotherboard.

Step10.Reattachthefrontbezel,computercover.

Replacingthegraphiccard

Toreplacethegraphiccard:

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”.

Chapter8.Replacinghardware35

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Lenovo H520s Uživatelský manuál Strana 41