Lenovo H520s User Manual download pdf (Page 40)

Step6.Removethememorymodulebeingreplacedbyopeningtheretainingclipsasshown.

Step7.Positionthenewmemorymoduleoverthememoryconnector.Makesurethenotch1onthe

memorymoduleiscorrectlyalignedwiththeconnectorkey2onthesystemboard.Pushthe

memorymodulestraightdownintotheconnectoruntiltheretainingclipsclose.

Step8.Reattachthecomputercover.

ReplacingthePowersupply

Note:Forthisprocedure,ithelpstolaythecomputerat.

ToreplacethePowersupply:

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.Disconnectthepowercablesfromtheconnectorsonmotherboard.

Step7.Removethe3screwsthatsecurethePowersupplytothechassis.

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Lenovo H520s User Manual Page 40