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Reference number: CH000903

Will a power supply work without being connected to the motherboard?

Question:

Will a power supply work without being connected to the motherboard?

Answer:

Power supplies and the fans within them turn on/off from a signal they receive from the motherboard. Therefore unless your power supply is connected to a working motherboard that can send a signal to turn on the power supply it will not work. This also applies to power supplies that have an on an off switch on them.

 

 

 

 

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