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How to lower the temperature of a very hot PC

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How to lower the temperature of a very hot PC

How to check the PC temperature?

If your PC has symptoms of overheating, the first thing you should do is check its temperature to find the root of the problem. To do this, you have a series of free programs, among which we recommend HWMonitor or OpenHardwareMonitor, where you will find all the information related to the speed of operation, the load level and the temperature of your hardware.

The problems generated by the temperature in the PC are many and varied: from blackouts (with loss of data) to the unbearable noise produced by the high-speed fans, but nevertheless it is something that we must avoid whenever possible because the results are always harmful.

It doesn't matter what system you are using, as long as it can read the temperature sensors of your hardware, and especially those processors and graphics card because they are the components that generate the most heat on a PC.

What are the highest temperatures?

This obviously depends on your hardware, but what we can usually provide is the temperature that should not exceed the parts of your computer (however, do not consider it a “stone” because, as we say, it depends on the product and model of each part).

  • Processor: 70ºC
  • Graphic card: 85ºC
  • Hard disk: 50ºC
  • NVMe SSD: 65ºC
  • RAM memory: 50ºC

Computer components are designed to operate at a sufficient temperature, and for that reason they are often heavily loaded with heat sinks to prevent overheating. However, there are many reasons why they may work above their recommended temperature, and it is during these times that fans start running at a higher price with the PC making more noise. In fact, if the cooling systems you have are not sufficient, then it is possible to have a high temperature in the PC.

For this reason, although the processor can run at 70ºC or more without problems, it is actually recommended to operate at lower temperatures because then it will have a longer life, it will offer better performance (because Thermal Acceleration does not occur), and its fans will make less noise when moving faster.

What to do when the PC is too hot?

The first thing to do check air flow, especially that all mechanical fans are working (one of them may have been broken and not working, producing hot air packs inside the PC). Keep in mind that you must have a good air flow design to raise the temperature, have one or more fans in the front, bring some fresh air into the box, and some fans in the back (and even the roof) take the hot air out.

If all air travel looks good and fans are working well it might be a good time to do it Thoroughly clean the interior of your PC because, as you know, the incoming dust turns into a sturdy soap that can clear the vents. It doesn't help to do a good cleaning inside to make sure the air flow is working at your maximum power (and in addition, this will also reduce the noise generated by the PC).

If your problem is that the processor is getting too hot, then the heatsink may not be set up correctly, or it's time to change the hot pasteAs it has a certain degree of damage, it intensifies and loses its place, and must be changed from time to time. This also applies to the graphics card, as long as this is a service that causes heat problems.

Finally, we also recommend that you look at your surroundings when you have a PC case: if you have it in an improperly mounted position (enough space in the front and back and sides) it may be producing hot air packs, causing thermal performance to be reduced. If possible, the best place for a PC case is on the table, and at least 10 inches away from the rest.

Alternatives if the PC is too hot

Of course there are other ways that if, after looking at and trying all of the above, the PC continues to suffer from “hot bars”, however in this case most are investing:

  • Re-provide box air flow with more and / or better fans.
  • Convert the box to a better fridge.
  • Change the processor heatsink to better.
  • Install or purchase a fan controller for faster performance.

In any case, if your PC is too hot and you suffer from overheating, then you obviously can't leave it this way and you will have to do something about it.

Gamer, passionate about video games, technologies, gadgets and everything related to the world of electronics.

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