Why Is My Computer Hot​

How to check your computer’s temperature

Heat isn’t the only cause of slowdowns and shutdowns. Your computer could be failing for other reasons, such as a software problem. Thankfully, it’s pretty easy to tell whether heat is the real culprit.

“If you turn on the computer and it turns off by itself a few minutes later, without opening any programs, that could be a problem,” says Silverman. You may also notice extra heat when doing something intensive, like playing games. If you’re still not sure whether your device has been overheating, an app can check for you—just keep in mind they all use temperature units of degrees Celsius.

For Windows, Speccy is the most user-friendly option, since it’s super easy to read. Just install it and start it up. After that, it’ll take a moment to check the temperatures of your CPU, motherboard, and GPU, indicating particularly hot components in red.

[Related: 5 easy fixes for common computer problems]

Mac users can download Macs Fan Control to see system temperatures. However, I would avoid using this app to actually control your fans unless you really know what you’re doing. Download the program to check temperatures, but leave the fan settings on “Auto.”

Once you choose an app, download it and leave it open in the background. When you experience a slowdown, shutdown, or other issue, check the temperatures—specifically the CPU and GPU values—to see whether they’re abnormally high.

“Typically, anywhere up to 70 degrees Celsius [158 degrees Fahrenheit] is okay, but if it gets hotter, you might start having problems,” says Silverman. Your CPU and GPU will usually start throttling themselves between 90 and 105 degrees Celsius (that’s 194 to 221 degrees Fahrenheit), depending on the model. And if you see temperatures that fall to negative levels or rise above 110 degrees Celsius (230 degrees Fahrenheit), those numbers are wrong—your heat sensor is probably broken or the program doesn’t support it.

If the temperature does seem to spike at the same time you experience problems, then it’s probably safe to blame heat for your issue.


Why is my computer so hot?


2010-6-7 · I have a desktop computer with 4 fans and its flipping boiling. Its and 92 degrees CELSIUS average and I need to find a way to chill it down… I already put my fan speed to max and its still higher then 85. GTS 250, Intel core 2 quad 3.33GHz. 700 watt power supply <-(if that matters) I put my graphic GPU back to normal 700MHz and Sadder 1700.

Seen 169 times

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Why My Laptop Charger Is Getting Too Hot [Fixed]


2020-6-3 · Why Is My Laptop Charger So Hot? If you notice the adapter is extremely hot, it could be due to the following: A faulty laptop battery, using the wrong laptop charger, using the wrong laptop battery, damaged / faulty laptop charger, the environment is just so hot. We will now discuss how to fix a laptop charger that gets too hot.

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What Are The Signs Of CPU Overheating?

As already explained, the computer does generate normal heat. But if someone wants to know what an overheating computer looks like? Then I must say that there are different signs/symptoms of CPU overheating which tells you that “yes” your PC is dealing with CPU overheating.

Usual signs of CPU overheating include:

  • PC shuts down abruptly,
  • blue screen of death (BSOD) appears,
  • PC freezes,
  • unusual fan sound,
  • PC becomes sluggish.

A simple test to check whether it’s PC overheating or not is by feeling the high CPU temperature that it emits from visible components. If they are overly hot, it means there is a problem of CPU overheating which needs to be fixed.

Other signs of CPU overheating vary from computer to computer depending upon different models. In almost every computer there is a fail-safe that acts as a fuse in the circuit.

It shutdowns the PC when the CPU temperature goes up, and then the PC remains off until it cools itself down.

How to Prevent MacBook Pro from Overheating

Here are a few quick fixes:

1. Close Demanding and Runaway Apps

The easiest way to deal with demanding and runaway apps that are causing your computer to overheat is to check your Activity Monitor to see what apps are currently running and if you can close some of them.

To find your Activity Monitor open your Finder, click on Applications, click on Utilities, and then click on Activity Monitor. You will see a screen like the one below and can close and monitor the CPU usage of all apps currently running.

Activity Monitor is a good place to figure out the
Activity Monitor is a good place to figure out the “culprit” apps/processes and quit them.

2. Stay Away from Soft Surfaces

The method is simple. Don’t place your computer on any soft surfaces when using it. It may sound pretty easy, but so many people (myself included) are guilty of this one.

Instead of using your MacBook in bed or on the couch, make sure you set it up on a laptop stand. This will allow for adequate airflow to surround the computer and keep everything cool and operational.

3. Clean Dust and Dirt

If your computer is running hot due to dust and dirt, you need to try and clean it up.

Depending on the year of your MacBook Pro, the vents you should check and clean are located either above the keyboard below the hinge on the display, or on the underside of the computer.

You can use a small delicate brush to clean up these vents or a can of compressed air can quickly blow the vents clean as well.

You can get this brush on Amazon.
You can get this brush on Amazon.

What to do with overheated CPU?

The most straightforward solution to keep your overheated CPU healthy is by placing your computer in a cold environment. If the problem is still there, then don’t worry there are other methods as well to control PC temperature.

Remove the computer’s cover

To fix the CPU overheating problem first remove the side panel of the computer but before doing so switch off the PC. Usually, this simple method solves the CPU overheating problem. Because more fresh air will quickly pass through PC components a result decreases PC heat.

Regularly clean your PC

To avoid CPU overheating, build a habit of regularly cleaning your PC. Because dust particles and debris accumulate in the PC case which blocks the passage of air from the surrounding.

In almost all overheating the computer, there is piled-up dust in it which prevents effective airflow. To prevent overheating regularly clean your computer, for that you should buy a can of compressed air, mechanical oil dropper.

Carefully remove dust from heat-sinks and power supply fans. This method will surely help in decreasing the problem of CPU overheating in the computer.

Make sure that fans are running properly

Usually, there are three fans installed in every computer even the failure of one fan can increase the chances of CPU overheating. These three fans are located on the CPU, power supply unit, and back of the computer casing.

If you are facing computer overheating then there might be a problem with one of these fans. To solve this problem open the computer case and check if the fan is broken or is unplugged. Immediately fix the PC fan otherwise excess heat will damage the internal components of your PC.

Install a Liquid cooling system or buy a laptop cooling pad

The liquid cooling system is an alternate method to lower the CPU overheating threat. The water cooling system performs more as compared to the common air cooling system.

Usually, those who overclock the CPU to gain more performance uses a liquid cooling system. If you have installed this type of cooling system then you should properly check it. If it is a leak then it will fry your internal hardware.

Create Enough Space for Ventilation in a Computer Case

Remove blockades from the front and back of the computer casing. It will increase the flow of fresh air and fix CPU overheating.

Reasons why laptops overheat

Now let’s look into why laptops overheating and how you can keep them cooler.


This can creep up on you without warning. Some months or a year goes by, and you notice that your laptop is overheating.

By overheating, I mean slightly, or by a lot.

Dust settles in the cooling system of a laptop. As it draws in air to cool the CPU and GPU heatsink, dust accumulates over time and eventually impedes the cooling of these heatsink assemblies.

Laptops rely on complex cooling, which comprises a cooling block that gets attached to the CPU or GPU and then relies on heat pipes that transfer the heat to a finned section where the air from the fan cools the fins down.

When the dust settles in this area, cooling becomes less effective, causing the laptop to overheat.

Taking it in to have it serviced once a year is highly recommended.

If you are capable, dismantling it to blow out the dust yourself could be a way to go. But I don’t recommend doing this unless you are confident in your abilities.

You’re using the wrong power adapter

An underpowered laptop power adapter can cause overheating. It can also cause other malfunctions.

It can happen if you have more than one laptop and somehow you got the power supply bricks swapped by accident.

Check that you are using the correct one for your laptop and ensure that it isn’t older than five years.

Make sure it can breathe

Using a laptop on a bed or directly on your lap isn’t the best idea.

There are small vents where the cooling system relies on to be free from obstruction to draw in enough air to cool the parts inside.

Use a laptop cooler instead or some other laptop table that you can purchase to enable you to use it in bed safely.

We have reviewed three laptop coolers for various budgets if you need a good laptop cooler to help with this issue.

Stay out of direct sunlight

If you want to kick back beside the pool while using your laptop, make sure you are in the shade. Operating your laptop in direct sunlight will cause overheating.

Not to mention that it will be very bad for the laptop’s battery and the overheating will result in CPU throttling, leading to a slow laptop.

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Reason #1: Blocked air vents

Sometimes dust, dirt, and other debris block the air vents of your computer. This prevents it from moving enough air to cool down. The fan helps, but can’t pull in enough cooler air to dissipate the heat fast enough. As a result, the computer just stays warm.

In a situation like this, I recommend you take a look at the air vents in and around the computer. Make sure the fans are working and that the vents are clean, unblocked, and have good airflow.

If you’re on a desktop, my suggestion would be to pop it open and see what dust and debris have accumulated inside the machine, around its fans, and on the CPU’s heat sink. With a laptop, this isn’t always practical.

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