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November 5th, 2024 23:47
XPS 8940, EC Temp Reporting 126C
XPS 8940
I am not doing anything intensive, but this value doesn't change. What should be my first action to resolve this?
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1 Rookie
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22 Posts
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118
November 5th, 2024 23:47
XPS 8940
I am not doing anything intensive, but this value doesn't change. What should be my first action to resolve this? ?
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ispalten
4 Operator
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2.4K Posts
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November 7th, 2024 00:16
I've got the same thing. Never bothered to look at it, but I'll assume it has been there since 2021...
I assume it also doesn't seem to have any effect on my operating the PC?
One does get this 'warning' when using HWINFO sensor report:
Wonder if that has anything to do with it?
An interesting link to HWINFO page, https://www.hwinfo.com/forum/threads/no-sensor-for-motherboard-shown.6547/ and this is at the end of that report:
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126 C is certainly a wrong temperature.
Sensor chips are usually equipped with several temperature sensor inputs, but only some of them are connected. The rest is then reporting invalid data, 126 C being one such value. This depends on board design.
For your system it's not certain that it supports monitoring of the mainboard temperature. If the BIOS doesn't show such value, then I think it's rather unlikely that it's capable of this.
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That is a response from HWINFO author. Sort of states that 126C is invalid data? Wonder if there is no sensor there?
JOcean
9 Legend
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12.6K Posts
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November 6th, 2024 12:30
Is the system shutting down due to excessive heat, it should be. Check all of your fans but it could be a sensor problem.
RoHe
10 Elder
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45.2K Posts
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November 6th, 2024 20:45
Has it always been like this, or a recent issue?
Which CPU and heat sink do you have in this XPS 8940? There are a number of threads about heat issues in XPS 8940, including this one with exactly the same issue with temp #7 being at 126ºC.
In addition to the good suggestion from @JOcean to check fans, it might be a good idea to run a thorough malware scan. You may not be doing anything intensive, but if malware is running... Malwarebytes (free version) would be a good tool for this.
If nothing else helps, you may need to remove the heat sink (leaving CPU in socket), clean the surfaces and apply a thin, fresh coat of decent thermal paste...
(edited)
CheetahChrome
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November 7th, 2024 16:28
@RoHe I purchased the upgraded 125w heatsink. As to removing it, paste can get old, and that is a good idea. -thx
@JOcean No, the system is not shutting down or throttling under heavy loads, which leads me to believe that this is an HWInfo issue, as others have mentioned.
@ispalten I agree with you and will mark your answer. Something else is going on, and if there is no sensor, maybe HWInfo instead returns a negative value or zero, which could indicate a non-working sensor at some point.
How did I end up on this? I was researching MSI motherboards for the Intel 12/13/14 gen socket for a new build and a couple of Youtube reviews reported high temps in the ECUs (to where the advice given was to remove the heat spreader and add new and replace). Which got be wondering about my current systems ECUs.
Thanks for all your replies.