Why is the laptop very hot, what should I do?

Probably every user knows that his laptop heats up, and, especially strongly, if additional programs or games are running. The internal temperature may exceed 100 C, at such values, the device may spontaneously turn off, slow down, freeze, it will not work correctly, and the rate of deterioration of microcircuits also increases and as a result, the device may turn off and not turn on, repairs in this case will be expensive and much more expensive than our preventive cleaning of a laptop from dust, because it is the clogging of the cooling system that is one of the most common reasons.

Why is heating happening?

All laptops get warm - the reason for this is the general laws of physics, i.e. when electricity passes through wires and various transistors, heat is released and the more powerful the device, the more different elements that generate heat are usually in it, the most heat is usually emitted: the processor and the video card. A laptop in its essence is also a computer, it's just that the component parts are smaller and fit closer to each other, and the ventilation holes are also small and quickly become clogged with dust, because the fan draws this dust into the case through the inlets, which causes the laptop to heat up more. Under heavy load, the amount of heat generated increases significantly.

If your laptop is powerful, modern, productive, then it will warm up, Alas, you can't get away from this. So heating is completely normal, given that the temperature is within normal limits, and if not? Let's take a look at the causes of excessive overheating when the laptop gets hotter than it should.

Cooling system device

The heat dissipation system tightly adheres to the processor and, often to the video chip, as a rule, consists of copper tubes that transfer heat to the grill, which is blown with air from the cooler and, due to this, cools down, preventing the processor and other components from overheating to which it adjoins.

In the image above, you can see that the distance between the cooling grill plates is very small, so dust quickly settles between the fins, forming a felt that prevents the passage of air and, as a result, the laptop is very hot. The temperature can be measured using special programs- for example HWMonitor (download).

1 Cause of overheating (most common): When dirty, dust clogs the ventilation grill (in neglected cases, the dust layer can be 5-10 mm), and the flow of cold air through the grill decreases, respectively, the processor, video chip and other components get hotter.

Signs: the laptop gets very hot, spontaneously turns off (this is how the overheating protection works) after a while (usually from 5 to 40 minutes from the moment it was turned on), slows down (when the temperature rises above the permissible value, the processor reduces performance, in order to avoid overheating) even when working with office applications, freezes, the cooler is noisy, the temperature in office programs above 70C. These symptoms are exacerbated in summer with extreme heat.

The tightness of the copper cooling plate to the processor or video chip is ensured by thermal paste and thermal pad. The thermal pad is a rubber band that fits snugly on both surfaces. Without thermal paste or thermal spacer, there will be an air gap that will prevent the cooling system from operating efficiently.

Your questions and comments

05.12.2018 Andrew

Question:
Intel Core i5 3230M @ 2.60GHz 8.00GB 2-channel DDR3 @ 798 MHz (11-11-11-28) SAMSUNG ELECTRONICS CO. LTD. NP470R5E-X01RU (SOCKET 0) Generic PnP Monitor ( [email protected]) Intel HD Graphics 4000 (Samsung) 2048 MBATI AMD Radeon HD 8750M (Samsung) CrossFire Hello, I would like to know 80-90 g in games, the temperature of the norms or to carry a laptop for repair.
Answer:
Hello, the temperature is not critical, but most likely it can be reduced by cleaning the cooling.

09.10.2017 Oleg

06.06.2017 Vyacheslav

03.05.2017 Dmitriy

Question:
ACER ASPIRE 7739G heats up 90-100 percent of operative 4g - after opening the browser 89-98% cleaning did not help! the stand is the same! Windows is reinstalled a lot does not help! cooler norms!
Answer:
Hello, we need diagnostics.

23.02.2017 Andrew

23.02.2017 Evgeny

20.01.2017 Alexei

Question:
Asus x550c, i7 Intel Core i7 3537U, RAM 6.00GB 2-channel DDR3 @ 798 MHz NVIDIA GeForce GT 720M 2047 MB ​​At rest (no more than 10% CPU load), the temperature is 50-55 percent video card is about the same as the processor, motherboard 55-60 hard 30-35, when loading 20-25 CPU (google and weak programs) percent in around 60, 65 motherboard, 55 video card, HDD 35-40, but under heavy loads (let's say a game, but at the minimum graphic settings) 50-70% of the CPU and about 3-4GB of RAM, the CPU and motherboard temperatures reach 80 (the maximum was 82, I have not seen it again , the cooler spins at a speed of 3900-4200 rpm) the temperature of the video card rises to 60-70 hard disk 40. I changed the thermal grease, I could not open the cooler (but it seems that there was not a lot of dust, but what was left with the vacuum cleaner, there is an option that it remained inside the cooler ) Well, please tell me if these temperatures are normal? and if not, what would you advise? And also, is it possible to somehow strengthen the cooling system (namely the fan)?
29.07.2016 Ivan
Question:
Hello! ASUS laptop K53S. Proc i3 2330m video gt 540m. Without load, the video temperature is 55-60 degrees C, with a load of 95-97 gC., Percentages 83-85. I changed the thermal paste (the layer was scanty) and cleaned it from dust, everything is clean, almost sterile. I even drilled holes along the copper tube and under the process and vidyukha, there is a stand, but the temperature does not even drop by a degree. A week ago, the temperature was video and the temperature was not higher than 84-85 degrees, and then I thought that it was warming up, but now I don't know what to do at all, I'm afraid to load it so it doesn't burn out. Tell me what to do ??? I would not like the service.
Answer:
Hello! I would put more pastes, at least 1 mm, the excess will still come out when pressed. The thermal paste layer is an extension of the copper plate. Your copper plate is about 100 mm long, respectively, an extra 1 mm of thermal paste will lengthen the plate by 1%, and given that the paste removes heat better and the rate of change is slow and the area is larger, it turns out that a meager layer of paste and a thick layer of thermal paste do not differ in effect. more than 0.1%. But if the layer is not enough, then the influence will be more than 10% in the negative direction. Therefore, always apply with a margin. The temperatures are high, of course, it will not burn out immediately, just the service life will decrease by 5-20%.

The internal components of the system generate heat when the notebook is operated. The microprocessor and the video card heat up especially strongly during operation, since these elements are the most energy-consuming. The built-in cooling system is able to maintain the permissible temperature of the main elements, preventing them from overheating. But if you have problems such as braking, freezing and spontaneous shutdown, then, most likely, the processor on the laptop is very hot.

Laptops, unlike stationary computers, most often fail due to overheating. This is due to the fact that the small dimensions of the laptop are not always able to accommodate a good cooling system. Therefore, make sure that your device is not exposed to high temperatures, so it will last much longer.

Why does the processor on a laptop heat up?

There are 4 main reasons that provoke overheating not only of the microprocessor, but also of other components. Each of them is presented below.

Dust contamination of the cooling system

Description of the problem: If an air cooling system is used, the air vents and cooler will become dusty over time, making it difficult for the air to flow. For this reason, overheating of the system most often occurs, including the processor.

Signs: strong, incessant fan noise, raising the processor temperature to 70 ° C or more when working with undemanding programs, as well as spontaneous shutdown of the laptop.

Decision: Carrying out the laptop cleaning procedure. Read how to do it yourself.

Damage to the structure of the thermal pad or wear of the thermal paste

Description of the problem: depending on the laptop model, a thermal pad or a layer of thermal paste is used between the cooling surface of the cooler and the processor cover, which eventually lose their physical properties. This usually happens after 1-2 years of device operation.

Signs: the same as in the previous version.

Decision: Partial disassembly of the laptop and the cooling system, followed by replacement of the thermal pad or thermal paste. If you are not sure that you can cope with such a task, it is better to immediately contact the service center.

Damage by viruses

Description of the problem: Malicious programs in some cases can heavily load the operating system, thereby provoking heating of the processor.

Signs: 60-70% CPU utilization even when no programs (except background) are running.

Decision: cleaning the system from viruses and malware... Read the detailed guide.

Using too demanding programs and games

Description of the problem: Running programs or video games on a laptop that overloads the system may heat up the processor.

Signs: spontaneous shutdown or restart of the laptop while playing or working with the program, severe braking and freezing of the system.

Decision: Use a laptop cooling pad, and so that the laptop does not suddenly turn off during a video game due to overheating, reduce the maximum processor power from 100 to 70%. To do the latter, do the following:

1. by the "Start" button call context menu and select "Power Management";
   
2. in the window that opens, click on the "Power supply scheme settings" button;
   
3. go to the "Change advanced power settings" section;
   
4. in a new window, scroll down the list and expand the "Processor Power Management" category;
5. then expand the "Maximum processor state";
6. change the value from 100 to 70%.

In this article, we will tell you what to do if the laptop heats up, makes noise, and periodically turns off.

In recent years, ordinary users are increasingly abandoning the use of desktop computers, opting for laptops. This is due to the fact that the laptop is more compact and mobile, and its performance does not lag behind a standard PC.

In turn, such a device has a specific structure, which is characterized by a number of disadvantages. First of all, this is a strong heating of the case during operation, accompanied by intense noise. There are many reasons for these problems, and you need to fix them in the shortest possible lines. More detailed information about this is presented below.

What to do if the laptop gets warm?

The presence of various kinds of distortions on the display of a working laptop, excessive heating of the lower part of its case, as well as extraneous noise are alarming signs and indicate the presence of an internal malfunction. Such problems must be eliminated as soon as possible, otherwise there is a high probability of overheating of the processor, graphics adapter and other parts, which can lead to their complete inoperability.

The laptop can overheat for two reasons:

1. Your laptop is clogged with a layer of dust, which also causes a lot of noise and heating of the entire laptop system.
2. There is no thermal paste on the central processor, or it just dried out and dried out.

But nevertheless, we note that both cases involve the disassembly of the device.

Dry or missing thermal grease on the processor and adapters

Thermal paste located on the coolers of the video card and central processing unit... It must be replaced with a new paste using a plastic card. If you have not performed such actions before, it is better to ask for help from specialists, since the replacement procedure is specific.

The outer part of the fan is clogged with a layer of dust

Dust formation is usually associated with the active operation of coolers. It often builds up on the cooling grids and obstructs the passage of air. Therefore, it is advisable to remove dust regularly.

The hard drive has become unusable

Continuous operation of the laptop in some cases leads to the appearance of clicks that are not typical for its operation. These are the symptoms of breakage hard disk or malfunction of the cooling radiators.

In most cases, a hard disk failure requires its replacement, since the resource of such devices is limited. Shocks and mechanical damage also negatively affect the condition of the disks and can sometimes even lead to their complete inoperability.

Fans (cooler) clogged with dust and debris

If the source of extraneous noise is a cooler, it is necessary to check whether debris or foreign objects have fallen into the housing, and whether the grease on the bearings has dried. Accordingly, you need to lubricate the bearings with a specially designed compound and carefully clean the housing.

What should you do if you find abnormal noise on your laptop?

• If the slightest signs of a device malfunction appear, promptly eliminate their cause.
• If it is not possible to clean the device yourself, contact the service center for help.
• Monitor the status of the central processor, video card and hard drives... Ensure their repair in time in cases of frequent heating and other malfunctions.

Well, this is where we will probably end our article today.

Recently, our site talked about why mobile computers turn off spontaneously. In 80–85% of cases, banal overheating is to blame for this. Today we will once again briefly list all possible reasons, on which the laptop is heated, and we will talk in detail about prevention and methods of solving this problem.

How do I know if my laptop is overheating?

Real Temp works without installation on a computer (just download and run). It monitors the temperature of the processor cores and video in real time, displays it in the system tray, plus it can write this data to the log.

In the Real Temp window, the screenshot shows the current temperature readings of the CPU cores, the difference with the maximum allowable temperature, which is taken as 100 0 С (Distance TJ Max), as well as the minimum and maximum recorded since the start of the program.

To enable sound notification when the temperature maximum is reached, open the settings (the Settings button) and in the "Other Settings" section check "Alarm Temperature". For the CPU, set the response threshold to 90 0 С, for the GPU (video chip) - 90–95 0 С.

From time to time, it is advisable to check the heating level of the hard drive. Approaching the upper threshold may indicate problems that are beginning, and a disc that heats up a lot and slows down at the same time is completely unreliable.

There are also a lot of utilities for monitoring the health of the hard drive: HDD Health, HD Tune, CrystalDiskInfo, Hard Disk Sentinel, etc. Choose any.

The screenshot shows the Hard Disk Sentinel Pro window - one of the free editions of this program.

How to check if the cooling system is working efficiently?

Certain laptop lines are more prone to overheating than others. The reason, as a rule, is in an unsuccessful design solution: the proximity of the video card and one of the bridges in combination with a simplified cooling system, too narrow ventilation holes in the bottom of the case (or in the complete absence of such holes), etc. During normal use, such devices work normal, but it is worth a little load - the temperature rises sharply.

To find out if the CO is capable of withstanding intense loads, it is enough to conduct a small laptop overheating test. Any program for checking system stability is suitable for this: LinX, OCCT, S&M, CPU Stability Test, Aida64 and others. It is optimal if the program has a monitoring function with displaying the temperature rise on the graph. If this function is not available, you can launch a third-party monitor.

Let's see how this is done using the example of Aida64 (trial version). In the stability test settings, mark "Stress CPU" (remove the rest of the checkboxes), press the "Start" button and look at the graphs. The bottom shows the% of CPU usage and CPU throttling, and the top shows the temperatures of the components.

The task of testing is to find out how quickly the processor and other devices heats up at maximum load. Smooth heating to the upper limit of the norm (70–75 0 С) indicates adequate cooling, and sharp, with reaching 80 0 С and more, especially if the graph is close to vertical, it is insufficient.

It takes 5-10 minutes to evaluate the result, but if the laptop heats up too quickly, the test should be stopped immediately.

How to prevent laptop overheating?

The best means of extending "life" to anyone mobile computer Is a cooling pad. Especially for devices that are structurally prone to overheating and have survived repairs - replacement of a video chip or bridges: after repair, the safety margin is not the same, and the next breakdown may occur at lower temperatures.

Another simple and effective method avoid overheating - blowing ventilation from a can of compressed air. If you repeat it 1-2 times a month, your "iron pet" will not need more serious cleaning soon.

What is needed for this:

• Paper or cloth napkins.

How is purging done:

• Turn off the laptop, disconnect the power supply.
• Bring the spout of the spray can to one of the sides of the ventilation grill (where the heated air comes out), cover the other side with a napkin.
• With a quick short press (no longer than a second), release a little air from the cartridge. This will collect dust on the napkin.
• Repeat blowing until the cloth no longer becomes dirty.

Do not be afraid to drive the dust even deeper - from the inside, a fan (blower) is attached to the ventilation grill, separated from the rest of the case by walls, so all the dirt will be blown out.

Purging is an effective preventive measure, but not elimination of overheating. Read on to find out what to do if the grate is so clogged with dust that it almost does not let air through.

How to clean the inside of a laptop from dust?

Opening the case is a professional manipulation, but many laptop owners handle it themselves. The most laborious thing in it is disassembling and assembling the device, but in some cases it is simple (there are models where to access the cooling system it is enough to unscrew the hatch on the bottom cover), and in others it is rather complicated (almost complete disassembly is required).

Note! Disassembling a laptop (if it has not been opened by an authorized service before you) always leads to a loss of warranty.

Disassembly instructions for a specific model can be found on the net. It is better if it is an official service manual, where each step is shown (we search for "Model name service manual" by request). As a last resort, use any material on the topic - pictures, videos or verbal descriptions.

In addition, you will need:

• Small Phillips screwdriver.
• A hard plastic card, a thin ruler, a pick or a special spatula - to snap off the latches.

• Tweezers.
• Containers for screws.
• Compressed air cylinder.
• Small paint brush or brush.
• Thermal paste (don't forget, KPT-8 is not suitable for laptops!).
• Thermal spacers (if used in your model).
• Synthetic oil for lubrication (if the fan is noisy).
• Napkin.

Operating procedure:

• Disconnect the power supply and battery.
• Using the instructions, remove the outer screws, if necessary separate the keyboard and protective strips, and then remove the bottom cover. Disconnect and remove any interfering parts (tweezers are convenient to disconnect thin wires and loops).

Illustrations taken from service manual Asus G74 G74Sx and presented as an example. Disassembly procedures for your unit may vary.

• Continue disassembling until you see where the cooling system is attached to the motherboard. To separate them, you need to unscrew a few screws. The screw-in-out order is marked with numbers next to the screws. Be sure to observe it, otherwise you can damage the fragile crystals of the chips.
• Disconnect the fan connector.

• Dismantle the cooling system. If it does not give in, gently move it from side to side (but do not pull it up). Most likely, it is held by dried thermal paste.
• Using a can of compressed air, clean the board and all internal surfaces from dust. Remove large accumulations with a brush or brush. The metal part of the CO and the fan impeller can be washed under the tap (do not forget to dry them before assembling). To remove the impeller, remove the protective sticker from the fan, as well as the plug and plastic ring that are threaded onto the axle. Place a drop of oil in the duct before assembling.
• Wipe off any remaining thermal paste from the processor and chips with a tissue. If it is dry, drip water on top or put on a damp cloth (while the laptop is de-energized, water is not dangerous for it). Remove residual liquid.
• Apply a fresh layer of thermal paste - it should be even and thin. Thermal pads are changed only if dry. If the old ones have not lost their elasticity, you can reuse them. Remember that you cannot replace the gaskets with thermal grease - it is not able to fill the gaps between the chip surface and the heat sink.
• After cleaning and replacing the thermal paste, reassemble the device in the reverse order.

Another reason the laptop overheats and shuts down is a breakdown in the cooling system. It is indicated by obvious symptoms of overheating after the device is cleaned of dust, and sometimes by unnatural fan noise (howling, jerking, etc.).

A reliable sign of CO malfunction (provided correct installation) - ineffective heat sink. If the metal part heats up only in the area of ​​the heat collectors (1) adjacent to the chips, and the heat pipes (2) and the radiator (3) remain cool, it means that the contact (crack) is broken in one of the junction points.

This part must be replaced. If the reason is a faulty fan, it must also be replaced.

Notebook nowadays there is in every second house and this article, I think, is more relevant than ever. I would like to note that the advent of portable computers greatly facilitated the life and life of people who use computers on a daily basis. It is very convenient when the computer is always at hand - at home, in the country, in the car, in a cafe. Today's laptops are able to replace powerful desktop computers, which is very pleasing for both fans of playing new games and users who work with demanding graphics applications.

These were all pluses, but there are no things without minuses. One of the downsides is high heat portable pc. There is an opinion that the maximum temperature of a processor or video card should be no more than 75 degrees, but modern technologies can withstand temperatures even higher. Before a laptop model goes on sale, it is carefully checked and tested for all indicators (including the maximum temperature of its components) by engineers from HP, SAMSUNG, LENOVO, SONY, ASUS, COMPAQ, etc. its strong heating, you do not need to immediately carry it back to the store and make a scandal. First, read the reviews about him that the owners of the same model write. If the temperatures exceed the norm, run to the store (possibly a marriage). (before starting the game, run the program to see the temperature, you will need to minimize the game or switch to the program by pressing the alt + tab button)

Why does the laptop get hot, overheat?

I will try to answer this question available to everyone. Well, first of all, just compare the size and number of coolers for a stationary pc and a laptop. All these high-performance processors miracle engineers "shoved" into a notebook (translated from English. Notebook). Cooling occurs by throwing hot air out of the laptop case and drawing in cool air from the outside. There is very little space for air circulation in a computer, as thick as a book, or even less, hence the high heating. Over time, the laptop starts to freeze (most often with a cyclic sound playback), turns off for reasons we do not understand. Here the main enemy is dust (provided that there are no viruses, operating system computer in good condition). Dust particles clog the ducts through which the air circulates. First, the processor overheats, then the video card and all this heat is transferred through the case to the hard drive, which does not like heat very much (it quickly becomes unusable). It is also recommended to buy cooling pads for powerful laptops.

Signs of laptop overheating

1. The laptop does not turn on- most often the south bridge on the motherboard burns out, which is responsible for the launch and operation of the usb ports.
2. Ripples appear on the laptop screen, "artifacts"- chaotic figures, stripes. This suggests that the video card is overheated (it is even possible that the contacts of the video card are detached from motherboard). Repair of such a laptop is possible (not always), but later it will not be possible to use it for games and demanding programs. The principle is the same as on the car - overheated and will overheat.
3. The laptop heats up and turns off after a short time of work- most often this is processor overheating (cleaning it from dust will help, replacing thermal paste at least once a year)
4. The laptop heats up and freezes during operation or playing it with sound looping. This is also overheating of the processor. In a modern laptop, there is protection in the BIOS - when the maximum set temperature of the processor is reached, it works (not everywhere). The need for prophylaxis, cleaning the laptop is evident.

How to clean the cooler or the laptop itself from dust?

Anyone can do this if they wish. If he is no longer under warranty. You just need to get to the cooler, remove it and clean all the channels. There are problem laptops in which to get to the cooler you need to disassemble it into small parts. But you can also do this by typing in any search engine "how to disassemble your laptop model". Fortunately, there is plenty of this material on the Internet and there are even video instructions for some models. Ask your questions in the comments, indicating the model - we will help, find, tell, show. Later, we will post, for example, an instruction on cleaning a laptop Lenovo Y460.