Figure24.Removingthepowersupplyassembly
7.Makesurethatthenewpowersupplyassemblyisthecorrectreplacement.Somepowersupply
assembliesautomaticallysensethevoltageoracceptuniversalinput,somepowersupplyassemblies
arevoltagespecic,andsomepowersupplyassemblieshaveavoltage-selectionswitch.Ifyourpower
supplyassemblyhasavoltage-selectionswitch,makesurethatyousetthevoltage-selectionswitch
tomatchthevoltageavailableatyourelectricaloutlet.Ifnecessary,useaballpointpentoslidethe
voltage-selectionswitchtothecorrectposition.
•Ifthevoltagesupplyrangeinyourlocalcountryorr egionis100–127Vac,setthevoltage-selection
switchto115V.
•Ifthevoltagesupplyrangeinyourlocalcountryorr egionis200–240Vac,setthevoltage-selection
switchto230V.
8.Installthenewpowersupplyassemblyintothechassissothatthescrewholesinthenewpowersupply
assemblyarealignedwiththecorr espondingholesinther earofthechassis.Then,installthethree
screwstosecurethenewpowersupplyassemblyinplace.
Note:UseonlyscrewsprovidedbyLenovo.
Chapter2.Installingorreplacinghardware29