Corsair CS750M PSU is always on, as in the switch on the PSU if set to off it is still on!!

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20 Oct 2011
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674
Okay, I have been using this power supply for quite a while, never had any issue with it.

But today I was testing a motherboard that has a lot of RGB on the motherboard, I was installing some ram to test the slots, I had powered down the machine using windows, system shuts down..I then switched off the PSU from 1 to 0 , the LED lights stayed on...kind of expected that for say 30 seconds or so, but they stayed on, so I hit the on button on the case....the system started up !

The system will close down via the button on the case and via windows and boot up when the button is pressed.

But the PSU on / off switch does not seem to turn off the system, the button clicks perfectly....I am not trying to use any crazy paper clip trick and I have tested this with two motherboards.

the PSU is a Corsair CS750M

What could be causing this issue...PSU seems to work perfectly other than that issue.
 
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