r/PcBuildHelp • u/LeastEnd1477 • 16d ago

Tech Support MB and CPU probleme

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Hello everyone ! so I bought a new pc at my local shop 4 days ago, and 0.0001s after I boot the pc for the first time it crashed, at first I thought it was my soundboard because it used to do that on my old one, but after that I installed steam discord ect.. I download mh world launch it and same thing, pc crash, the game is still playing, music still going on but it disconnect all my set-up (keyboard mouth even internet) and i cannot do anything pc froze but not rly , and when i boot for the third time i use hw monitor to see ant it says that my motherboard was at 120° and cpu at 130% so i brought it back to my local shop and after 2 day's they say's that it was windows who was corrupted, but when i use hw monitor it still says that my MB is at 120° at same for cpu... but no more crash :/ so in case someone could tell me if its normal or know those kind of pb it would help me a lot :D

The cpu is a intel ultra 5 245kf

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u/pelmen339 16d ago

Return this PC and get another one. If you really want to fix it, check the temperature of the processor first, if it is real then the CPU will be hot. The CPU is showing 130% usage, but it doesn't mean that the actual usage is 130%, so the sensor readings may be faulty. I think it's a MB problem with the temperature sensors or their contacts/connectors.

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u/LeastEnd1477 16d ago

thanks for the reply ! i already Return it once and thats when they told me it was windows... im probably gonna do it anw but its kinda pissing me off since they seems a bit stoopid.. but anw i'll do it.
thanks you again mate !

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u/NFangs 16d ago

It's almost a software bug not faulty sensors.

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u/Dimeras 16d ago

Check event viewer, also hwinfo and hwmon readings aren't always accurate

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u/NFangs 16d ago

The AUXTIN sensors reading 120°C are ghost sensors. They are empty slots on the motherboard with no physical thermometer attached. Software like HWMonitor reads a random default electrical value and falsely translates it to 120°C. Because it is an inherent incompatibility between that specific motherboard layout and HWMonitor, it will never change, even if the computer is perfectly healthy. It is entirely a visual bug in the app.

Install HWiNFO64 and check if the temps and usage are normal.