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TechnicGeek

Before Powering On My Build

Been building PCs since 1999, and the only time a PSU has ever fried anything on first boot was due to fault of my own (wrong voltage switched on PSU, was supposed to be 110v but somehow it was switched to 220v. Started smoking but somehow only the motherboard died.)

 

I'd say that unless you're using a really poor quality PSU (which you shouldn't) then just power it on as normal. Also make sure the right voltage is set. But I don't think modern PSUs even have those switches anymore.

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Posted · Original PosterOP

Hello,

 

I do not have power supply tester so should I power on PC with only motherboard connected for the first time?

That is to avoid potential harm to other components if power supply happens to be bad one.

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Could.  It’s kind of an expensive part to set up as a sacrificial lamb though.  It won’t draw much of anything with no cpu or memory on it, so it’s arguably no better than anything else.  It’s not normal SOP.  Is it that you have two PSUs and one is bad and you don’t know which one?  Why do you think this danger is so unusually high?


Life is like a bowl of chocolates: there are all these little crinkly paper cups everywhere.

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Posted · Original PosterOP
4 hours ago, Bombastinator said:

Is it that you have two PSUs and one is bad and you don’t know which one?  Why do you think this danger is so unusually high?

I just read reviews on Amazon for some of PSUs and sometimes (rarely) it happens so I still want to take precautions. I read about 2 pins method to make PSU work without connecting to motherboard so maybe I should try it and it should be enough?

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2 minutes ago, TechnicGeek said:

I just read reviews on Amazon for some of PSUs and sometimes (rarely) it happens so I still want to take precautions.

Well if you bought everything on amazon and it’s still under return I suppose it doesn’t matter.  If something blows just send it back.


Life is like a bowl of chocolates: there are all these little crinkly paper cups everywhere.

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Been building PCs since 1999, and the only time a PSU has ever fried anything on first boot was due to fault of my own (wrong voltage switched on PSU, was supposed to be 110v but somehow it was switched to 220v. Started smoking but somehow only the motherboard died.)

 

I'd say that unless you're using a really poor quality PSU (which you shouldn't) then just power it on as normal. Also make sure the right voltage is set. But I don't think modern PSUs even have those switches anymore.


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