Lenovo computer hardware 9421 Manual

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Lenovo computer hardware 9421
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CompletingtheFRUreplacement
AfterreplacingFRUs,youneedtoinstallanyremovedparts,replacethecover,andreconnectanycables,
includingtelephonelinesandpowercords.Also,dependingontheFRUthatisreplaced,youmightneedto
conrmtheupdatedinformationintheSetupUtilityprogram.
Note:Whenthepowercordisrstpluggedin,thecomputermightappeartoturnonforafewsecondsand
thenturnoff.Thisisanormalsequencetoenablethecomputertoinitialize.
1.Ensurethatallcomponentshavebeenreassembledcorrectlyandthatnotoolsorloosescrewsareleft
insideyourcomputer.
2.Replacethecover.
3.Reconnecttheexternalcablesandpowercordstothecomputer.See"Rearconnectors"onpage67.
4.Ifyouhavereplacedthesystemboard,youmustupdate(ash)theBIOS.See"Flashupdateprocedures"
onpage467.
5.SomeFRUreplacementsrequirethecongurationtobeupdated.SeeChapter6"UsingtheSetup
Utility"onpage39.
Chapter8ReplacingFRUs(Types7061,7090,9353,9421,9485,9623,9625,9705,9786,9795,9935,9946,9953)91
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