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what is this switch?


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This will probably sound like a tremendously silly question, but I just had a Smart series 650 watt 80+ bronze power supply installed in my desktop and it didn't turn on. I noticed there was a switch on the back, flipped it and the computer turns on.

 

This is fine with me.

 

But today I read something about switches on the back of power supplies that switch it from one voltage to another and if you have it on the wrong one you can wreck you power supply.

 

I had thought the switch on my unit was simply a power switch.

 

So, what is this switch?

Thanks

myloweslife

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59 minutes ago, jenskel said:

This will probably sound like a tremendously silly question, but I just had a Smart series 650 watt 80+ bronze power supply installed in my desktop and it didn't turn on. I noticed there was a switch on the back, flipped it and the computer turns on.

 

This is fine with me.

 

But today I read something about switches on the back of power supplies that switch it from one voltage to another and if you have it on the wrong one you can wreck you power supply.

 

I had thought the switch on my unit was simply a power switch.

 

So, what is this switch?

Is this the switch you are talking about 

1bbff3295dff16410f8c237bdf0e45b3.png

if so its just a master power switch. It shuts off all power going to the pc. Completly different from the 115v - 220v switch that you are referring that would cause issues. I don't think that psu has a voltage switch. If that is not the switch you are talking about plz post a pic of the switch in question.

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