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PSU cold boot time?

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I noticed this the last time I changed my powersupply but forgot to ask about it. My cold boot time with Kingwin was much faster than with my Corsair. Has anyone else seen that before? Never occurred to me the psu would hold up your boot time.
 
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Power Supply Corsair AX760i
I noticed this the last time I changed my powersupply but forgot to ask about it. My cold boot time with Kingwin was much faster than with my Corsair. Has anyone else seen that before? Never occurred to me the psu would hold up your boot time.
Is the power supply the only thing you changed? I'm sure it is otherwise you wouldn't have posted. So the only other thing I can think of is a change in the Bios - maybe your on-board battery is not great and removing standby power lost settings - so did you have to go back to bios when you installed new supply? If so you might have 'verbose' Boot enabled, thereby slowing boot times, if it was a gradual thing I would say bad Hdd sectors this definitely slows boot times
 
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Switch it back and see
 
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