How can I adjust the electric volt differences in the laptop taken to Bangladesh from U.S?

how to adjust the 110volt elec. supply laptop in the bangladeshi 220 volt supply?How can I adjust the electric volt differences in the laptop taken to Bangladesh from U.S?Check your adapter I think it is a universal in put one,that is if it's in put voltage is 90 to 270 volts.If not by a converter which converts 220 volts to 110 volts,it is a Small transformer can plug into 220 volts wall socket.How can I adjust the electric volt differences in the laptop taken to Bangladesh from U.S?Buy a simple travel converter or contact the manufacturer of the laptop. They typically sell AC/DC adapters for both voltages. The power that goes into the laptop is DC via the AC/Dc converter. Easy as pie.How can I adjust the electric volt differences in the laptop taken to Bangladesh from U.S?Usually a US laptop has an automatic voltage regulator which enables the unit to operate between 90 to 240 volts without any adjustment. So, if you have a US laptap, just check the battery supply regulator for the labels and check if there is a voltage switch changer.