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Windows 7: How to turn on PSU without motherboard?

10 May 2013   #1
N3dot

Windows 7 Home Premium 64bit.
 
 
How to turn on PSU without motherboard?

How can I turn on an ATX-PIV 400WATT power supply without connecting it to a motherboard? I tried connecting the green cable (PS-ON) to several black cables (COM/GRD).
- This model doesn't have a switch.


My System SpecsSystem Spec
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10 May 2013   #2
essenbe
Microsoft MVP

Windows 7 Enterprise X64
 
 

If you unplug the PSU, jump the Green connector with any Black pin and plug it in, it should be on. I usually use a paperclip bent in a "U" shape.
My System SpecsSystem Spec
10 May 2013   #3
Dude

Windows 8.1 Pro + Windows 10
 
 

No switch, does it have a button? As far as the wire it should be the black one right next to the green

How to use a PC Power Supply as a Lab Power Supply - MicroAutomate
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10 May 2013   #4
fireberd

Windows 7/8.1/10 64 bit
 
 

Quote:
I tried connecting the green cable (PS-ON) to several black cables (COM/GRD).
If you jumpered the green to a black and it didn't turn on, that would indicate a defective power supply.
My System SpecsSystem Spec
10 May 2013   #5
N3dot

Windows 7 Home Premium 64bit.
 
 

I tried jumpering the green connector with several black connectors with no success. Its works fine when connected to the motherboard. It doesn't have a switch/button.
My System SpecsSystem Spec
10 May 2013   #6
Dude

Windows 8.1 Pro + Windows 10
 
 

that only test the power up signal, if it works for the motherboard then exactly what are you trying to do?
My System SpecsSystem Spec
10 May 2013   #7
fireberd

Windows 7/8.1/10 64 bit
 
 

Good point, Dude. It works, or at least it powers on with the PC power switch.
My System SpecsSystem Spec
10 May 2013   #8
N3dot

Windows 7 Home Premium 64bit.
 
 

I want to power it without connecting it to the motherboard.
My System SpecsSystem Spec
10 May 2013   #9
Dude

Windows 8.1 Pro + Windows 10
 
 

To use as power for something other than a computer?
My System SpecsSystem Spec
10 May 2013   #10
Lady Fitzgerald

Win 7 Ultimate 64 bit
 
 

When I was prepping my case for my new rig, I did it to make sure the custom cables were wired correctly and to make sure the fans worked ok. It also made sure the PSU worked.
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 How to turn on PSU without motherboard?




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