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My pc configuration 

i3 2100 2core 4thread at 3.1ghz😑


2gb ddr3 1333 mghz ram 🤯

Some crappy mbo lga 1155

450w psu + case both for 10$ 😵


Yess its pretty bad 😭

But my question was that does anyone know why does the my processor heat whenever I go to the bios. When I go to the bios then my processor starts to heat from around 85 and a minute later it reaches 102 degree Celsius 🔥

But while I am at windows my pc temps don't go above 80°c with intel stock cooler


If any one knows how to fix it then please help me out



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And do you have thermal paste on?



Is the case fans and the GPU fans working properly?

And also, I would suggest you to change your pc due to the stuff is too outdated and will probably not function soon

Quote me for a reply, React if I was helpful, informative, or funny

PC Build:

  • CPU
    Ryzen 9 5950x
  • Motherboard
    ROG Crosshair VIII Hero (Wi-Fi)
  • RAM
    Corsair Vengeance LED (4x8GB)
  • GPU
    EVGA RTX 3090 OC
  • Case
    Corsair icue 4000x
  • Storage
    Samsung 970 EVO Plus 2TB x2
  • PSU
    Corsair RM1000X 80+ Gold certified
  • Display(s)
    ROG Swift PG278QR 27” x2
  • Cooling
    NZXT Kraken Z73
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Some of the power management stuff of a processor may not be enabled in BIOS, which means the CPU can run all its cores at 100% frequency and voltage, instead of reducing frequencies when a core is not used. 


Either way, the i3 2100 is not very power hungry, it should not heat up that much... this may be a sign that the cooler on the cpu is not making good contact with the cpu, maybe it's loose or there's bad thermal paste between the cpu cooler and the cpu blocking the heat transfer. 


With that CPU and fan on the stock cooler working at regular speeds, the cpu should be more in the 50-60 degrees Celsius range. It's probably at 80-ish in Windows because it constantly powers off cores that aren't used, or reducing their frequency to save power and produce less heat.


So I'd suggest removing the cpu cooler from the cpu, blowing the dust from the fins of the cooler, cleaning the old paste, applying new paste.. and make sure the cooler is tight enough to squeeze the thermal paste between cpu and heatsink.

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i think you have serious cooling issues considering a dual core is reaching such high temps, i would check cooler if it's alright and not much dusty, also make sure your thermal paste application is alright (not too much or too little and widely / evenly spread)

PC Specs : Intel Core i5 7500 | Zotac GTX 750 Ti | MSI H110M PRO-VD | Hynix 16GB 2666MHz | 120GB Crucial BX500 | 1+2TB Seagate Barracuda 7200RPM | Circle 500W APFC PSU | Ant Esports ICE-211TG | 2x 120mm ARGB Case Fans (Front and Rear)


Peripherals : HP 22es 1080p IPS Monitor | Redragon M609 RGB Gaming Mouse | TVS EGold Bharat Mechanical Keyboard | Redgear Pro Wired Game Controller | F&D A110 2.1 Stereo Speakers | Dell 1TB Ext. HDD


TV : Sanyo 32" 1366x768 HD Ready TV (XT-32S7000H)


Phone : Realme C3 (4GB LPDDR4X RAM / 64 GB eMMC 5.1 ROM with Helio G70 CPU and Mali G52-MC2 GPU and additional 64GB Sandisk Ultra Class 10 UHS-1 SD Card)

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can you take screen shots?

Take screen shots of the BIOS screen that shows your fan RPMs and temps.

Then do the same when you are in windows.

What program are you using to look at temps in windows?

Can you try hwinfo?

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