System instability caused by +12V voltage dropped to 10v. New power supply still shows 10v

[boveywong]

Recently my system hang up all the time, and I found the +12V voltage dropped to around 10v as shown in hwinfo64 and hwmonitor (didn't check in BIOS)

 

 

After changing a new power supply the system stable again, but hwinfo64 and hwmonitor still shows 10v, while BIOS shows 12v.

 

 

Is it just the software data not being updated correctly? Or the instability is nothing to do with the power supply?

 

Spec:

CPU: R7 2700X

Motherboard: ASUS X470-I

RAM: 32GB 3200C18

GPU: PNY Quadro P4000

PSU: Corsair SF600 (Old) Corsair SF750 (New)

[TrigrH]

Did you reuse the cables?

[Guest]

The reading may be wrong. Check the bios.

 

Memory controller is good for 2933mhz. So 3200 may cause instability.

[boveywong]

2 hours ago, TrigrH said:

Did you reuse the cables?

No, used new power supply with new cables to avoid incompatibility 

[boveywong]

47 minutes ago, Guest 5150 said:

The reading may be wrong. Check the bios.

 

Memory controller is good for 2933mhz. So 3200 may cause instability.

BIOS reported 12v so I guess it's just wrong reading inside Windows

 

Will try to lower the ram to 2933 and see if it gets better