6.Attherearofthecomputer,removethethreescrewsthatsecurethepowersupplyassembly.Pressthe
powersupplyclip1downwardtoreleasethepowersupplyassemblyandthenslidethepowersupply
assemblytothefrontofthecomputer.Liftthepowersupplyassemblyoutofthecomputer .
Figure24.Removingthepowersupplyassembly
7.Makesurethatthenewpowersupplyassemblyisthecorrectreplacement.Somepowersupply
assembliesautomaticallysensethevoltageoracceptuniversalinput,somepowersupplyassemblies
arevoltagespecic,andsomepowersupplyassemblieshaveavoltage-selectionswitch.Ifyourpower
supplyassemblyhasavoltage-selectionswitch,makesurethatyousetthevoltage-selectionswitch
tomatchthevoltageavailableatyourelectricaloutlet.Ifnecessary,useaballpointpentoslidethe
voltage-selectionswitchtothecorrectposition.
•Ifthevoltagesupplyrangeinyourlocalcountryorregionis100–127Vac,setthevoltage-selection
switchto115V.
•Ifthevoltagesupplyrangeinyourlocalcountryorregionis200–240Vac,setthevoltage-selection
switchto230V.
Chapter2.Installingorreplacinghardware29