Can't see motherboard temperature [broken sensor ?]

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  1. Posts : 21
    Windows
       #1

    Can't see motherboard temperature [broken sensor ?]


    I was rendering video when I noticed that in Speccy my Motherboard (CPUSocket) temperature was ridiculously high (90C), I turned my pc off to check those temps in UEFI and there it was only ~30C so Speccy was probably showing wrong temps. But when I turned my pc back on to check them again it on Speccy, it wasn't displaying any temps where it was before. Tried downloading HWMonitor, but it didn't show anything also.May it be that it actually showed close to real temps and it burned the sensor off, and it doesn't display any temps now [if it's even possible]?Motherboard - ASRock B250M Pro4
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  2. Posts : 7,257
    Windows 10 Pro 64-bit
       #2

    Try another program just to be certain its not Speccy. You could try Speedfan.
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  3. Posts : 21
    Windows
    Thread Starter
       #3

    swarfega said:
    Try another program just to be certain its not Speccy. You could try Speedfan.
    Already tried with HWMonitor ^
    Downloaded Speedfan, but it's not quite user friendly, it even displays wrong CPU temperatures comparing to the other 2 programs. And can't see any cpu socket/motherboard temperatures.
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  4. Posts : 7,257
    Windows 10 Pro 64-bit
       #4

    It could be a faulty sensor, hopefully someone more knowledgeable will be able to provide further insight.
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  5. Posts : 21
    Windows
    Thread Starter
       #5

    swarfega said:
    It could be a faulty sensor, hopefully someone more knowledgeable will be able to provide further insight.
    If the sensor is faulty, would it not show in UEFI also (which I can see it in there)? Or UEFI uses some other direct sensor?
    Plus it was working just fine, prior to the mentioned render. The mobo is quite new, just built my new pc.
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  6. Posts : 7,257
    Windows 10 Pro 64-bit
       #6

    Yes indeed it would not show in BIOS if its faulty so worth checking there. Did you perform any sort of stress tests after building the PC? Have a look at this article for some ideas.
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  7. Posts : 21
    Windows
    Thread Starter
       #7

    swarfega said:
    Yes indeed it would not show in BIOS if its faulty so worth checking there. Did you perform any sort of stress tests after building the PC? Have a look at this article for some ideas.
    Check the picture I linked in original post of UEFI H/W monitor, it's working fine there.
    Nope, didn't perform any stress tests. I haven't received other temperature spikes or performance issues when gaming or rendering videos other than this motherboard socket sensor temperature issue.
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  8. TV2
    Posts : 2,011
    W10 Pro 20H2
       #8

    The temperature sensor for the CPU is normally on the CPU. So if it failed there I would think you would be having more problems than this!

    You could try a CPU reset.
    Turn off the PC, switch off the power supply (or unplug the cord), Remove the 3v battery on the board, press the power button for a few seconds, put everything back and power on.
    See if the CPU reports normally.
    (For extra measure you could perform a ClearCMOS/CLRTC procedure at the same time)

    Warning: this procedure will reset ALL your UEFI BIos settings to defaults. If you have made customizations, make sure you record them so you can set everything back again before starting into Windows.
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  9. Posts : 21
    Windows
    Thread Starter
       #9

    TV2 said:
    The temperature sensor for the CPU is normally on the CPU. So if it failed there I would think you would be having more problems than this!

    You could try a CPU reset.
    Turn off the PC, switch off the power supply (or unplug the cord), Remove the 3v battery on the board, press the power button for a few seconds, put everything back and power on.
    See if the CPU reports normally.
    (For extra measure you could perform a ClearCMOS/CLRTC procedure at the same time)

    Warning: this procedure will reset ALL your UEFI BIos settings to defaults. If you have made customizations, make sure you record them so you can set everything back again before starting into Windows.
    Hm, you're saying this about CPU, but I can see my CPU temperatures. I can't see the motherboard/cpu socket temperatures. Or I didn't quite get it right (will that CPU reset work for resetting cpu socket sensors)?
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  10. TV2
    Posts : 2,011
    W10 Pro 20H2
       #10

    Yes. The reset does nothing to the CPU. It resets the motherboard and the Bios settings.
    This forces the OS to repopulate it'd device information.

    The ClearCMOS/CLRTC procedure clears everything in Bios, and makes the motherboard re-enumerate all devices, and the OS to do so also.
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