Originally Posted by
ajGoes
This is incorrect. It will either run normally because the power supply ("PSU") automatically detects and adjusts for the input voltage or it won't run.
I think he was thinking about old non-digital electronics like hair dryer, vaccum, drill, etc...
When we moved from 220V country to here... we bought all our household electronics. They all worked but slower... But that was 35 years ago.. back then there are no digital components in any electronics.