"Prior to powering up the power supply, please ensure you have selected the correct AC voltage for your region."

Jussiney · Jan 31, 2016

I didn't see this paper until now, after I've installed all my parts and got a working PC. I was placing the boxes and putting some things back inside and I stumbled on this note. Is it very important???
Ugh, can someone tell me? I watched a lot of installation videos and it seems that all of the builders never mentioned this. Is it that important?

smorizio · Jan 31, 2016

older power supply used to have a 120/220v red switch on them. was used for us and outside us voltages. having the switch on 220v on 110v line nothing would happen. having the swtich on 110v and plugging it into 220v your power supply would go bang and shoot flames out of it. newer power supply dont have that there auto sensing units if there made for both 220v and 110. only cheap or old units have that switch now.
https://www.youtube.com/watch?v=jrWDKYNu72Q

in the video you see the 110v/220 switch in the back.

Thineswar · Jan 31, 2016

if you look at the back of your psu, sometimes, there's a switch (the small red one) like this: https://www.google.com/search?q=back+of+psu&safe=active&espv=2&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiF-pn_t9PKAhXWj44KHW7CBQ8Q_AUIBygB&biw=1280&bih=961#imgrc=9MDj1lhgsIz--M%3A
in some countries, they have different voltage outputs from the wall.
if this is a bit too scary for you, tell me the model of your psu, and the country you're from and i can help you out

Jussiney · Jan 31, 2016

@Thin: Please help me out, I have this PSU: https://pcpartpicker.com/part/evga-power-supply-100b10600kr

I'm from the U.S. I'm looking at imgs. and I don't seem to see a switch.

Thineswar · Jan 31, 2016

that psu, like smorizio said, does not have a switch at the back
so, do not worry about it

Jussiney · Jan 31, 2016

Thanks thin. and everyone else. This is solved!

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"Prior to powering up the power supply, please ensure you have selected the correct AC voltage for your region."

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