B450 PRO4 sensors malfunctioning

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   Hi guys this is my setup:
Ryzen 2600
2x4Gb Ram crucial ballistix @2400mhz
AMD rx 570
Asrock MOTAM4 B450 Pro4 4.1 Bios

I'm not english so sorry for eventual errors, anyway this is my problem.
The MB temperature, vrm, CPU Core voltage, 12v, 5v, 3.3v, sensors are not working properly; most specifically 1/10 times they show on the bios and using softwares like HWiNFO but the temp infos are not correct in my opinion: The VRM temp and the mb temps areboth stuck at 29-30°c and 35-36°C regardless of how much i stress the cpu. The only sensor that is actually working FINE is the cpu temp wich fluctuate betwenn 25 to 60 depending on the workload, the other sensor CPU (PECI) displays always but the temp is ALWAYS at 40°C and other temp sensors think are as well not working properly. 
The other 9/10 the first sensors just will not show neither on the bios nor the HWiNFO software (OFC is save the bios changes befor exiting from it but it does not work becuse 1-2 restarts and the sensors are simply gone again).
Hope i made it sufficiently clear, thanks for any advice  
The MB was shipped with the 3.90 bios but had the same problems 

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harmax96 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 20 Jun 2020 Location: Italy Status: Offline Points: 3	Post Options Post Reply Quote harmax96 Report Post Thanks(0) Quote Reply Topic: B450 PRO4 sensors malfunctioning Posted: 20 Jun 2020 at 9:59pm
	Hi guys this is my setup: Ryzen 2600 2x4Gb Ram crucial ballistix @2400mhz AMD rx 570 Asrock MOTAM4 B450 Pro4 4.1 Bios I'm not english so sorry for eventual errors, anyway this is my problem. The MB temperature, vrm, CPU Core voltage, 12v, 5v, 3.3v, sensors are not working properly; most specifically 1/10 times they show on the bios and using softwares like HWiNFO but the temp infos are not correct in my opinion: The VRM temp and the mb temps areboth stuck at 29-30°c and 35-36°C regardless of how much i stress the cpu. The only sensor that is actually working FINE is the cpu temp wich fluctuate betwenn 25 to 60 depending on the workload, the other sensor CPU (PECI) displays always but the temp is ALWAYS at 40°C and other temp sensors think are as well not working properly. The other 9/10 the first sensors just will not show neither on the bios nor the HWiNFO software (OFC is save the bios changes befor exiting from it but it does not work becuse 1-2 restarts and the sensors are simply gone again). Hope i made it sufficiently clear, thanks for any advice The MB was shipped with the 3.90 bios but had the same problems