What is the Red switch on the back of my PSU (Power Supply) for?
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Fri, 04/29/2011 - 12:28pm (14 years 22 weeks ago)
I just bought a new PSU (Power supply) for my computer and it has a red switch on the back of it that goes between 115V and 230V. It's on 115V right now so if I switch it to 230V will it give my computer better performance?
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I just bought a new PSU (Power supply) for my computer and it has a red switch on the back of it that goes between 115V and 230V. It's on 115V right now so if I switch it to 230V will it give my computer better performance?
The red switch on the back is there for switching between the power type that your country uses. If you live in the United States for example, it should be set to 115V. Whatever you do, do not set it to 220V and turn the computer on if you live in a 115V country, or you will nuke your computer.
So basically, if you live in the U.S. consider that bright red as a warning.
If you live in Europe / UK / Australia / etc., it should be set to 220V. In which case, if you set it to 115V and turn the computer on the computer just won't power on, but it won't turn your computer into a melted candle. Great for pranks, but don't tell them WE told ya that.