110 Volt to 220 Volt

Hi Everyone,
I just moved from the US to Germany. My computer is dual voltage but I didn't flip the switch on the back of the tower to change it from 110 to 220 Volts. I plugged it in and it made a popping sound and went dead. Can this be fixed or did I ruin the whole computer? My monitor and printer are fine but the tower won't turn on. Is there a fuse that can be replaced?
Any advice is appreciated...thanks, Jessica


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