Lenovo IdeaCentre A520 All-in-One Instrukcja Użytkownika Strona 63

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Toreplacethefrontfunctionboard:
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.Removethehingefromthechassis.Referto“Removingthehingefromthechassis” .
Step6.Removetherearcover.Referto“Removingtherearcover”.
Step7.Removethe2screwsthatsecurethefrontfunctionboardtothefrontbezel.1
Step8.Disconnectthedatacablefromthefrontfunctionboard.2
Step9.Liftupthefrontfunctionboardtoremoveitfromthefrontbezel.3
3
1
2
1
Step10.Toinstallthenewfrontfunctionboard:
a.Connectthedatacabletothenewfrontfunctionboard.
b.Lineuptheholesinthenewfrontfunctionboardwiththemountingholesonthefrontbezel
andsecureitwiththe2screws.
Step11.ReattachtherearcovertotheLEDpanel.
Step12.Reattachthehingetothechassis.
Step13.Reconnectthescalarheadphoneinput,scalarandDVI/HDMIcablestothemotherboard.
Step14.Reattachthebasecoverandsecureitwiththescrews.
ReplacingtheLEDpanel
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthebasecover.
Chapter8.Replacinghardware57
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