Lenovo B40-30 All-in-One Uživatelský manuál stáhnout pdf (Strana 48)

Step17.Removethesevenscrewsthatsecurethemotherboardtothechassisandliftthemotherboard

uptoremoveit.

Step18.Toinstallthenewmotherboard:

a.Lineuptheholesonthenewmotherboardwiththemountingholeschassisandplacethenew

motherboardintoposition.

b.Usethescrewstosecurethenewmotherboardtothechassis.

c.Connectallthecablestothenewmotherboard.

Step19.Installthefollowingpartstothenewmotherboard:

•Wi-Ficard

•TV-Tunercard

•CPU

•Heat-sink

•Memorymodule

•TV-Tunerantennajack

Step20.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

Removingthereardeco

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftﬂatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toremovethereardeco:

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.

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Lenovo B40-30 All-in-One Uživatelský manuál Strana 48