Lenovo 104 User Manual Page 37

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DANGER
Hazardousmovingparts.Keepngersandotherbodypartsaway.
CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.
Toreplacethepowersupplyassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage14.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage15.
4.Pivotthedrivebayassemblyupward,removethefourscrewsthatsecuretheheatsinkfanduct,and
thenlifttheheatsinkfanductoutofthechassis.
Chapter2.Installingorreplacinghardware29
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