Missing CPU A fan speed sensor data

smile

Member
Missing CPU A fan speed sensor data?

I know this is old MB, but it's weird and I would like to see the FAN speed for CPU-A !
 

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Martin

HWiNFO Author
Staff member
If the fan is not spinning initially or returns invalid data, it might not be shown at startup and appear only once it starts to provide correct data.
 

smile

Member
Martin said:
If the fan is not spinning initially or returns invalid data, it might not be shown at startup and appear only once it starts to provide correct data.
Well both CPU fans are spinning, I opened case and checked, the CPU-A fan speed is listed when it hits ~2600rpm.
I re-plugged both CPU fans and it did not change anything.

Very strange, if the rpm would not work at all I would say the fan is faulty or bad rpm signal cable, but now it's not.
 

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Martin

HWiNFO Author
Staff member
Yes, either the fan is faulty or the signal is not providing correct data.
 

smile

Member
Martin said:
Yes, either the fan is faulty or the signal is not providing correct data.
I don't think so. I checked BIOS and both FANS show their RPM's there fine even at 2163rpm.

So it seems it's HWinfo bug after all.
 

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Martin

HWiNFO Author
Staff member
Are you perhaps running any other monitoring tool with HWiNFO? That can sometimes cause such issues.
 

AstralStorm

New Member
I am facing a similar issue on ASRock x399 Fatal1ty which uses a Nuvoton NCT6779D chip where CPU fan (actually radiator fan) is not showing up when it is not spinning.

The fan is not spinning because it's stopped by firmware as set by me with thresholds in ASRock F-Stream.
Could there be an option to allow showing 0 RPM fans? I can hide superfluous ones later in sensor settings. The fan does show up once it ever spins up.
 
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