The laptop gets very hot, replacing the thermal paste did not help. The processor is heating up, what is the reason. Causes and remedies

Q: Laptop gets hot even after changing thermal paste

Good day, gentlemen, we have a laptop about 3 years ago.
As it was before: the cooler worked quietly, the laptop did not heat up during games. (from time to time I cleaned it from dust and changed the thermal paste and everything was fine).
What happened: The laptop began to warm up during games, opened it, cleaned it, changed the paste. nothing changed. By the way, the cooler is working normally; heat outputs that you are cooking scrambled eggs. This was not the case before. I was told that most likely this is from old age and it is necessary either to clean the legs of the processor, or to bend and clean something else with a screwdriver, or to solder something else. So I want to ask you what you generally need to do in such a situation so that the laptop does not warm up.

Question: After replacing the thermal paste on the CPU, the video camera stopped producing an image

Hello people. I have a problem, after replacing the thermal paste on the CPU, the vidyaha stopped producing an image. In general, it all started like this. Decided to replace the thermal paste. Dismantled, replaced, assembled, turned on - the monitor is empty, as if it is in standby mode. At first I thought it was something to do with memory. Removed the 2nd line, changed places, nothing. Then I connected the monitor to the video output on the motherboard itself and the image appeared. When switching to vidyahu - empty. I tried to put the vidyahu in another PCI, the same story. People, what do you say? Vidyakha covered? But why? After all, I did not touch it at all when disassembling the computer. What else can you try?

Answer:

Message from Predator_ASU

All solved the problem. And that's how it was: I decided to go back. In the beginning, I changed the thermal paste on the process. I removed the percent and on the contact area in one place I saw, well, like a fingerprint, on the side of the processor, where I held it over the edge. I wiped it with a napkin and here's a miracle for you, it all worked. Well, who would have thought, because Windows itself was loaded, everything worked with another video. I don't know, maybe it's just a coincidence? Thanks everyone anyway

Well, actually the effect was like from bent or missing legs, so it happens that the percentage starts but does not work correctly with video or memory, depending on what the missing or bent leg was responsible for ..
It's great that you got it all figured out!

Question: After replacing the thermal paste, the PC stopped turning on

PC won't turn on after replacing thermal paste.
When there is no processor in the socket (or there is but not latched), the fans rotate. As soon as I snap the socket along with the processor, the PC does not show any signs of life at all. building the processor. The master (consulted with him) claims that there is a microcrack in the motherboard.

Plugged in another power supply, same result.

Iron old: mother - ECS NFORCE3-A (1.0A);
- percent. I don't remember, but the socket is S754.

The system unit lay idle in the attic (a worker went there) and I promised to give it to a neighbor's child (unfortunately, parents cannot buy it). He is all in anticipation and I have such a situation.

Who knows - tell me.
Thanks.

Answer:

Off-topic:

Yes, there are so many shopipets clogged up.
and even the legs of the processor apparently were well tucked in, they couldn’t straighten them neatly, they broke off

Question: Problems with the video card after replacing the thermal paste

Good day!

A couple of weeks ago, I noticed a jamb in the work of the video: all games go fine, but for example, in BF4 this happens - the game goes fine, but about once every 10 minutes the frame seconds drop sharply twice and keep in this rhythm for a minute and a half. Then everything returns to normal, but continues to repeat itself. Previously, cleaning the computer from dust (including video cards) saved from this trouble without much analysis of components, and, just in case, by replacing the thermal paste with a process. A week ago, these procedures did not help. After them, the fps began to stably stay around 60 (it used to be 80-110) and almost every minute with friezes to sag to 20. I disassembled the vidyuhi, blew the radiators to a shine, replaced the thermal paste (I used KPT-8). I turn on the computer, I try it, it seems that a miracle has happened - the fps have returned to their place and they don’t even think about falling. But this effect was enough for literally three days. Then everything returned to normal - a constantly low frame rate and subsidence with light friezes. Today I dismantled the vidyuhu again. On the GPU, 10-15 percent of the applied thermal paste remained on the strength. I was surprised, I applied half a millimeter more. Everything remains in the same place: the FPS is average and continues to fall with pleasure from time to time to unacceptable values.

AMD FX-8320, Gigabyte R9 280, 16 Gb.

The temperature of the video card in idle is 76-79 degrees, and the same, interestingly, under load. Furmark's full-screen test at 1920*1080 without anti-aliasing produces an average of 23 fps.

Where to dig? Should I use another thermal paste?

Answer:! it was also so warm, although there is no miner, and everything is ok with cooling!

Q: CPU gets hot after changing thermal paste

Hello.
The situation is this: Processor Intel Core i3 540 (3.07GHz)
Cooler DeepCool Ice Blade 100 (with 2 fans 700-1000 rpm.)
I pulled out the cooler to replace the thermal paste and clean it from dust, after replacing the paste it began to warm up to 65-70 "in idle 39-50.
Before changing the paste, the temperatures were 29-37" at idle and 55-61" under load.
DRG-102 thermal paste, I never had any problems with it, since I applied it to the video card and its temperature was within normal limits.
The plastic legs on the radiator mount are also intact.
Even in AIDA64, the CPU temperature value disappeared, but the CPU1,2 temperature values ​​remained.
What could be the reason?

Answer: andrei77731, may be. But you check not what kind of thermal paste, but how you applied it, and whether the cooling system is fully fastened. Because that's the only problem that comes to mind. If you have plastic latches - check that they are exactly latched as needed. If the frame - check if the radiator has sat on it. Well, and so on.

Question: After replacing the thermal paste, it turns off

I have a Lenovo G550 laptop. Today I replaced the thermal paste, cleaned the cooling system. Now the laptop turns off at the slightest load on the video chip. Thermal paste used KPT-8. Help advice.

Answer: I put a thermal pad on the chip, the result is the same. DECIDED by a banal replacement of paste with arctic MX-2!!!
The temperature dropped by 15-20 degrees. I'm shocked!

Question: Acer Aspire V3-771 - turns off after replacing thermal paste and cleaning

I decided to change the thermal paste and clean it. I did everything according to a video clip from the Internet, everything in stages.
after the replacement, I immediately started using the laptop, but after 3 hours of use, it turned off.
then it just wouldn't turn on. not disabled in bios. after a while it turned on and worked again for 2 hours, then everything happened again! after I turned it on again, I installed the AIDA64 program, checked the temperature, everything is in order with the temperature. I checked the hard disk for errors, everything is in order with it, there are no errors.
I disassembled the laptop again and put everything together correctly.
During the disassembly, I did not drop anything on the board!
PLEASE SUGGEST!

Answer: Acer Aspire V3-771

Added after 2 minutes
Acer Aspire V3-771
Yes, it doesn't overheat at all.

Added after 20 seconds
Acer Aspire V3-771
Yes, it doesn't overheat at all.

Have a good day everyone! In this article, we will continue to discuss the question of what to do if the laptop is still heating up after cleaning and replacing the thermal paste. It would seem that everything has already been taken apart on the shelves, but no.

Unfortunately, we must state the fact that even a complete disassembly of the laptop sometimes does not lead to the desired result. And there are objective reasons for this, which sometimes lie right on the surface.

The most offensive jamb can be an elementary loose screwing of the bolts on the contact plates. As a result, heat dissipation from the surface of the processor or video chip can deteriorate significantly.

In such a situation, even a new thermal paste will be completely inactive. But let's leave this moment for later, and immediately try to look for more banal ways to solve the problem:

So, first of all, you need to pay attention to the surface on which our heated laptop is installed. Perhaps he is located on some kind of blanket or fleecy carpet.

Naturally, such conditions will impede the normal flow of cold air, which enters the case through the holes in the lower part. Also, this state of affairs can adversely affect the exit of warm air through the side cells.

The second point that you should pay close attention to is the conditions under which our device starts to heat up prohibitively: in normal mode or.

And if the temperature rises only when you start any heavy applications (games, graphics packages), then this can again be attributed to malfunctions of the already cleaned and serviced cooling system:

This is due to the specifics of the location of the ventilation holes on the laptop case, which, as a rule, are found on the left side. And a single propeller on such a stand will most likely be in the center.

But if the laptop case gets very hot even when browsing pages on the Internet or, then you should already look at all the processes running in the Windows operating system. This is done by simultaneously pressing the keys Ctrl+Alt+Del:

Next, in the Task Manager, you should pay attention to applications that consume a large amount of processor resources. Perhaps it is even, which does its dark deeds and consumes the power of the laptop.

If, nevertheless, there were applications that really heavily load the processor, you can try to remove such a task by right-clicking on the desired item:

If the situation has not changed for the better and all the points indicated in this article have been completed in full, it is still worth contacting specialized specialists who can figure out for money why the laptop is heating up after cleaning and replacing the thermal paste.

And at this point, our story comes to an end, if you have any questions, ask them in the comments. Now you can relax and watch a very interesting video about cool tricks.

Sometimes it happens that after replacing the thermal paste, or for no apparent reason, the processor starts to get very hot. This can lead to the most unpleasant consequences, the personal computer starts to work slowly. This is especially noticeable when performing any operations that require a large amount of resources.

At the first suspicion of overheating, it is necessary to install a special diagnostic program that receives temperature data directly from the sensors. It is advisable to monitor the CPU and if during its operation the temperature goes beyond the permissible limits, it is imperative to take action.

Causes of overheating

Determining why the CPU overheats is usually not difficult. Since there is a rather limited list of the main reasons for this phenomenon.

Most often, the occurrence of heating is associated with the presence of some important factors:

• dustiness of the cooler, radiator;
• thermal paste that has lost its heat-conducting qualities;
• there is no normal ventilation;
• failed capacitors on the board;
• CPU was overclocked.

Dust

One of the most common problems associated with strong heating of any part of a PC, not only the CPU, is ordinary room dust. A working computer accumulates a charge around itself, the case is a kind of capacitor. There is static electricity, and it attracts a large amount of dust, as well as ordinary hair. All this is hammered into the radiator grille.

Over time, the amount of dust becomes so large that it begins to interfere with normal heat dissipation. As a result, a significant increase in the temperature of the CPU. In some advanced cases, it can warm up to 100 degrees. Dealing with such a nuisance is quite simple.

Incorrectly applied or dry thermal paste

The cause of unsatisfactory heat dissipation can be incorrectly applied or completely dried thermal paste. This composition is a substance located between the outer part of the CPU case and a special heatsink. It has a very high thermal conductivity. That is why, when it loses its properties, the CPU crystal begins to warm up strongly.

Eliminating such a phenomenon is quite simple, but it is best not to allow it to appear at all. This will avoid various troubles - arbitrary shutdown of the computer, as well as restarting or just a banal breakdown due to overheating.

Lack of good ventilation

Almost all cases of stationary PCs or laptops are equipped with special grilles through which hot air is discharged naturally or by force. If for some reason this does not happen, then some problems may arise due to overheating.

The reasons for this phenomenon may be:

• stop the cooler performing forced ventilation;
• the ventilation grilles and openings are closed (the PC case is poorly located or simply clogged with dust).

Problems in the elements (capacitors) on the board

Sometimes it’s quite easy to figure out what the cause of overheating is. It is only necessary to carefully examine the electronic components located on the motherboard. Often an increase in temperature is caused by the failure of capacitors. Determining their malfunction is quite simple.

The elements under consideration, located on the motherboard, look like bars on two thin legs. There is a cross on the end. If swelling is present, then most likely the capacitor is about to fail or has already broken. In this state, its capacity drops, and it begins to heat up. How to check if it is warming up: just gently touch it with your finger.

CPU overclocking

Very often, many users practice overclocking their PC. The essence of this operation is to increase the clock frequency of the CPU. This can be done both through the BIOS and with the help of specialized software. A side effect of this action is an increase in the temperature of the processor. Sometimes it greatly exceeds the permissible limits.

Video: The processor heats up

Temperature check

If any signs of PC overheating are found, a special application for checking the temperature must be installed.

The most popular utilities of this type today are the following:

• Core Temp;
• Speed ​​Fan;
• Real Temp;
• hmonitor.

It is very important to remember that these utilities do not always display reliable information.

In addition to them, to obtain the necessary data, you can use:

• Gadgets for Windows OS;
• BIOS.

The Windows 7 operating system is equipped with special widgets, which are usually located on the desktop. One of them is a sensor that displays the operating temperature of the CPU, as well as its load. In most cases, the information obtained in this way is reliable.

Most accurately, only the BIOS can display the actual temperature. You just need to go to the appropriate section. In addition, similar data regarding the motherboard is usually nearby. But it should be remembered - the sensor can also sometimes lie. Such devices tend to fail.

What to do if the processor is hot

To make the PC work normally, to avoid even the possibility of overheating, it is necessary to take a number of appropriate measures.

They will save the user from the occurrence of various glitches, arbitrary restarts and shutdowns:

• installation of additional cooling;
• replacement of thermal paste;
• replacement of electronic components on the motherboard.

dust cleaning

A desktop computer installed in an ordinary room on the floor or even on a table collects a very large amount of dust.

To carry out the cleaning process, you will need the following items:

Using special Phillips screwdrivers, you should disassemble the PC case and inspect the CPU cooling radiator. Most often, it is located under the cooler, which is also bolted.

The cleaning process is carried out as follows:

It is best to use a household vacuum cleaner for cleaning, not USB. Since the latter, often, has insufficient power, and it takes a long time to clean it. Which is not very convenient.

We put additional cooling

The problem with overheating can be solved by installing additional cooling. Today, in most computer stores, you can easily buy the necessary devices for this without any difficulty. The installation process most often does not cause problems.

Most modern cases have seats specifically for installing additional coolers. With insufficient cooling, you can simply install another fan. Most often, a special ventilation hole for this is present in the end part of the case, under the power supply. For fastening, only 2-4 self-tapping screws or screws, a screwdriver are required.

There is one important point - it is necessary to make sure that the PSU cooler and the additional one work in antiphase. That is, one of the fans should draw in air, and the other should throw it out. Such a system most effectively removes heat from the system unit and directly from the processor itself.

Change thermal paste

With long intensive use of the PC, in most cases, the thermal paste loses its properties and needs to be replaced.

This process is carried out as follows:

In stores there is a fairly large selection of various thermal pastes. A compromise option price / quality is AlSil-3 - the composition of domestic production. You can also use branded pastes.

Replacing elements

If swollen capacitors are found on the motherboard, then you can try to solder them.

This will require:

Replacing elements is done as follows:

• using a hair dryer, warm up the element;
• the capacitor is removed with tweezers;
• after melting the solder again, you should install a new capacitor - while observing the polarity.

It is mandatory to constantly monitor the temperature of the CPU. And take appropriate action when problems occur. Otherwise, the probability of a complete failure of the CPU is high.

I did not plan to write this article, I was inspired to write it by a lot of questions about laptop overheating, cleaning it and replacing thermal paste. On the Internet, I did not find a direct answer to the question of how to get rid of overheating of your favorite laptop. In reality, there are many answers to this question, but they are indirect and it is very problematic to find them ...
If you have a lot of experience in using thermal pastes, refrain from reading the article, because. I won't tell you anything new for you. Who, nevertheless, needs to be interested, you are welcome under the cat.

A little background...

Why didn’t I immediately buy a “normal” thermal paste ...
It all started with the fact that I was faced with the problem of overheating of my laptop (Fujitsu Siemens AH530). My favorite game Call of duty: Modern warfare 2 started to slow down terribly. He swallowed a lot of dust and I bothered to clean it. After several cleanings (approximately every few months). Someone told me that when cleaning, it is almost necessary to change the thermal paste. I didn’t listen and cleaned only the turbine and blew the radiator fins and once again, the devil pulled me to remove the entire cooling system to change the thermal paste. I carefully cleaned the “stones” from the old one and went to the store to buy a new one, which it didn’t turn out to be ... I was just shocked ... I went around several computer equipment stores and none of them had it. Since I did all these actions after work, I didn’t have time for all the shops before closing ... Remembering everything that the world stands on, I headed home.
The next day I found a Titan Nano Grease (TTG-G30030) in one of the stores at a specifically inflated price ($9.18 instead of $4.04).
There was nowhere to go, but I don’t really understand the prices of thermal paste ... I bought ...
After a short operation of the laptop, I noticed that it works much worse than before changing the thermal paste ... I cleaned it thoroughly, blew out the dust, re-greased the “stones” with new thermal paste ... Everything was in vain ...

Now the point

I won’t say that it was critical with heating, but at some points the laptop simply went into defense. For example, when hibernating or editing a video. Temperature tests showed that everything was normal. (60-80 degrees Celsius, as in the reviews on the Internet and as it has been since the purchase). The cooler only worked harder, from which we can conclude that at critical moments the “stones” quickly warmed up and it simply did not have time to cool.

I was tired of putting up with the inconvenience and I decided to look for information about thermal pastes, because. logically, that was the whole problem. Wandering around the Internet, I found an article: "Thermal paste test from the point of view of a laptop"
According to which I read that two of the tested thermal pastes give the best results: Arctic Cooling MX-4 and Coollaboratory Liquid Pro. And, since Coollaboratory Liquid Pro is conductive, I decided not to take risks with it, fearing to cause a short circuit in my laptop and opted for Arctic Cooling MX-4 (although I had to wait a few days for it to arrive, because our computer stores have everything but not what you need). For it, I practically did not overpay ($12.11, instead of the due $10.16).

About the thermal pastes themselves.

Titan Nano Grease (TTG-G30030) - 3g tube, actually pure white liquid, thermal conductivity: 4.5 W/(m K)
Arctic Cooling MX-4 4g (ORACO-MX40001-BL) - 4g Tube, Medium Viscosity, Grey, Thermal Conductivity 8.5 W/(m K)

Arctic Cooling MX-4 in person:


Sorry for the poor quality photo (serials lost). It didn’t work out more evenly, my hands grow from the wrong place ... Now you see why I was afraid of a short circuit (the surface of the chips is simply strewn with dangerous places that just ask: “lock me up”).

I degreased the surfaces with glass cleaner (or simply saying Mr. Muscle on an alcohol basis), wiped it dry, casually applied new thermal paste. Do not touch the surfaces with your fingers - you will lose several times the cooling efficiency. If touched - degrease again.

Temperature tests, as you understand, do not make sense - it is the same as it was, because it is controlled by electronics. The difference is only in the intensity of the cooler (about twice), and temperature jumps have become smoother.
The Titan Nano Grease itself is pretty good, considering the price, and if it weren't for the small area of ​​​​contact between the processor and the heatsink, it would be enough.

My conclusions

Scheme for clarity:

It should be understood that thermal paste is by no means a cooler itself - it only transfers heat from the stone to the radiator, this property is determined by the W / (m K) characteristic. The higher the number, the faster it transfers heat (unless the manufacturer, of course, cheats with numbers). If the “digit” is insufficient, then the stone will heat up faster than it cools, i.e. faster than thermal paste will transfer heat to the heatsink.

Sorry for the primitiveness, thanks for your attention. I hope this article will really help someone in solving problems with overheating of his favorite laptop.