The computer turns off after turning on after a few seconds

Why does the computer turn off in itself after a while: all solutions

Hi everybody! I faced today with one very interesting problem. The computer turns off on its own after a while. I managed to solve the problem, but, as it turned out, there are no clear instructions on the Internet that would help the ordinary user solve this nuance at home. That is why I decided to write my article with detailed recommendations and tips. Before eliminating the problem, let’s look at the most popular reasons:

  • Damage in the gland.
  • Problem with nutrition.
  • Sticking the inclusion key.
  • RAM.
  • Pollution of coolers and radiators with dust.
  • Old HDD.

If you have any questions, or you will find your reason why the computer turns off and does not want to work-write in Комментарии и мнения владельцев.

What to do if the computer is turned off after turning on

BIOS signals

Sometimes the monitor goes out a couple of seconds after launch, and the system speaker manages to inform the user error code. They are encrypted by sequences of long and short sound signals. If the BIOS is loaded, often the error is displayed on the display. Когда информация о неполадке отсутствует, но слышен звуковой сигнал системного спикера, его следует расшифровать, воспользовавшись инструкцией по эксплуатации материнской платы.

The correct power connection

When the screen goes out a few seconds after pressing the power button, or nothing is displayed on it, perhaps one of the devices, for example, a video card is incorrectly connected. Make sure that the power supply is connected to the motherboard, power supply is brought to the video card-a 6-pin plug or 62-pin.

If the PC screen did not even have time to display the motherboard logo, make sure that the six- or eight-pin plug from the power supply is connected to the corresponding graphic processor connector. Top video cards have two such connectors.

computer, turns, turning, seconds

Checking the power button

Suddenly, after turning on the computer, the display immediately goes out, and the car is rebooted or turns off, check if the power supply key is sticking. Closed button turns off PC immediately after start.

Cleaning from dust

It happens that the system starts, and Windows tries to load, and 2 seconds turn off after 5-15. If this was preceded by games or work of resource.Intensive applications, processor, video card is possible. There is a chance that the cooler does not cope with the work, because the radiator and the fan blades are covered with dust. It must be removed.

Disassemble the system unit and remove dust from it, small SOR, web.

Pre.Turn off the network cable from the power supply.

It is better to remove dust in the yard or on the balcony. This will require: a pair of dry napkins, a vacuum cleaner or a hairdryer, a spray can of compressed air, a brush, a screwdriver for disassembling a system unit.

Launching PC without components

A short circuit can cause a situation where the computer starts, then suddenly turns off.

  • Make sure that the motherboard is correctly attached to the “Systematic” body, does not contact it with conductive paths, elements.
  • Thermal paste does not go beyond the contact platform of thermal cover. You have to remove the radiator. Gently remove the excess using a wooden or plastic object.
  • Alternately disconnect the peripheral devices, without which PC is able to work, starting from connected to USB ports. If there is a built.In graphic core, connect the video intake to it to the monitor and try to start the PC on an integrated video card.

Personing the cable of the power supply on the motherboard

BP power lines are duplicated, some even three to four times. Disconnect it from the motherboard, and connect other plugs back. Perhaps one of the contacts or wires used is damaged, as a result of which the computer immediately after turning on is turned off.

Problem with RAM modules

If two or more RAM planks are used, launch PC from each of them separately, taking out the rest. Will not help, insert one bar into each of the 2 or 4 connectors for RAM and turn on the computer. And so with each module. Perhaps a malfunctioning connector for RAM.

Oxides on the contacts of the memory modules are removed with an eraser.

Suddenly, PC is restarted after initializing BIOS, create a boot flash drive with a program for testing RAM on another computer or laptop, for example, Memtest86. It is found in loading images, LiveCd, Winpe and other distributions. Load from it and test the RAM. Each module is desirable separately.

Malfunction of the motherboard or power supply

Swollen capacitors on the motherboard PC

If the computer after pressing the Power button does not turn on, get to the motherboard and carefully inspect it for damage: oxides, swollen capacitors, rational defects, peeling. Do the same with the power supply: turn it off from the network, pull it out of the case, disassemble the case and visually look for problems. Correct them yourself, for example, is not recommended to be soldered to a swollen capacitor, trust this specialists.

Solved Acer laptop switch off randomly without any reason shut down problem fixed

Reset, BIOS firmware

The dumping of the parameters of the BIOS microprotram helps-pull out the CMOS battery for 10-15 seconds, then insert it back.

You may have to update the BIOS of the motherboard, which is also not recommended to do it yourself. Especially if you have no experience, they are not sure that the reason for the problem lies in the damaged bios. If the process goes into the wrong direction, the computer will stop starting at all, and the “motherboard” will turn into a bunch of electronic trash.

I have been working in the IT sphere for 12 years, I am engaged in the repair and upgrade PC, laptops. For all the time I repaired, pro.APGRED and set up more than 1000 computers and laptops.

The computer turns off a second after turning on. Help find the reason?

There is an old computer, judging by the firmware of the motherboard. 2006, which is used as a NAS storage. Characteristics at the very end under the spoiler.

Problem: When you turn on, the computer starts, begins to rotate the cooler, and about a second after pressing the Power turns off. Sometimes it manages to impregnate a signal built into a mother. Sometimes he does not have time. After that, the turning button no longer responds until I turn off the power supply by the button or from the outlet after the shamanism with the components disconnecting (more than that below) the load occurs and the AI ​​Overclocking Failed error message displays in the BIOS. And you can download default settings to choose from or set up and configure BIOS. But the bottom line is that I do not disperse the system, and the problem is manifested even on default settings.

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Playing a problem: if, after a standard shutdown from the system, the computer is idle all night, in the morning it can no longer turn on. If you turn it on a few minutes after turning off, the computer is always started. If nothing is disconnected from the periphery, then the computer will no longer start, only the disconnection of some components helps. This is by the way the difference from this topic. There, Comrade Zhek was helped by turning off the PSU for 20 seconds.

Temporary panacea: as they said, the disconnection of some components helps. Over, always different: sometimes the computer starts after extracting one rally bar. And sometimes only after extracting both planks. Sometimes the rearrangement of the RAM from one slot to another helps (in cases when only one bar) sometimes helps the monitor from the VGA of the computer sometimes triggers if you remove the flash drive and the keyboard from the USB ports sometimes when the LAN cable is turned off (the network card is built.In)

Localization of the problem: replaced the thermal grease with the CPU and on the North Bridge. The problem is saved. Obviously, if you turn off individual components and the problem is preserved. So these specific components are not to blame. T.About. RAM, HDD, keyboard, monitor are most likely not to blame. Visually the motherboard is clean. There are no swollen capacitors on the motherboard, there are no traces of corrosion either nowhere. There is no trace of mechanical damage.

That I have not tried: I did not change the power supply, t.To. There is nowhere to take it even for a while, but to buy a new for the test. Not reasonable. If we find out that it is he who is to blame, apparently you have to buy. It seems that there are no problems with the mains in the house, the house is new. The systematic system is connected to one outlet, monitor. To another. Directly. Without a network filter. He is not. It makes no sense to buy while it makes no sense. Did not change thermal grease on the South Bridge. I do not know her condition yet, I am not in a hurry to open, t.To. Read reviews on this motherboard. In some guys, when removing the radiator, the chip itself and the chip itself. So if you try to change, then at the very last turn.

Motherboard. ASUS P5GZ-MX Rev.One.XX MB-1234567890 (full characteristics of the motherboard). Colorsit 340u-Fnm ATX12V (Version1.3) P4, 300 W CPU. Intel Pentium 4 Socket LGA755, 3GHZ, 64BIT RAM. 2 KingSton Dies Built-in output to VGA LAN 1GB built-in periphery: Samsung LCD monitor via VGA, keyboard, flash drive, which constantly sticks out in the systematic.

The computer turns on and turns off after 10 seconds, why?

The acquaintance gave the RAM, so she put it, but did not immediately realize that she had another ravine, accordingly, she launched a computer with this, not completely inserted by RAM, and from this very moment the computer began to turn on and turned off after 5-10 times inserted the old rally of the old rally And nothing changed, I tried to insert one at a time, tried it into different slots, cleaned everything that I could drop BIOS, changed thermal grease (just in case) completely removed all the details, watched there are bloating, etc.D, they were not and what was the matter then?

Average 5 Комментарии и мнения владельцев

Not very clearly formulated. I need: 1) how it was when it worked? 2) what was produced before stopping working? 3) how they returned everything back?

Oleg Petrov, 1) When it worked, 2 RAM RAMS was inserted at 1GB 2) Before working, I pulled out old ones and inserted 2 new 2GB 3) I realized that the new one did not fit, pulled it out and returned the old one to its place. Everything.

Anastasia, killed the motherboard. The loss is not great, all the same, this trash is already worth nothing (you can guess that there was a DDR2 memory, and they gave you DDR3). Buy a motherboard for DDR3 and a processor for it, there is a chance that memory remains intact and you can use it.

And how they could be inserted without clogging with a hammer? ))) They killed either mom or percent or all together to check = insert the percent/memory into another, a working computer, but you should never put the percentage, on a non.Western mother, otherwise you have a chance to kill the percentage

Carefully inspect the fee and memory for physical defects: they could break the slot or (which is more often.- bend the contacts in the RAM slot). (If so.- It is easier to find a new mat. Fee)

If you removed the processor.- This also applies to him. There should be no hair, dust, thermal paste, bent contacts in the socket. If the LGA processor.- You can carefully wipe the contacts on the processor with a “blue” (abrasive) eraser (do not climb into the socket in any case) and does not work because of oxides). After that, the memory can be inserted and pulled out 20 times. Fifty. To remove oxides from the contacts of the RAM slot. (Carefully! Do not blame the contacts in the slot).

I would like to know the processor, what memory was and which was inserted.

If not completely inserted and launched.- there is a chance that they burned something. You can check by inserting the POST card (or at least check the power to the RAM and the processor.)

Change the battery. Clean the contacts of memory with an eraser, in a slot with a brush. If the memory has several planks, try one at different slots.

How could you drop the BIOS in ten seconds? What shows the screen? Maybe there is some kind of message there?

To start. Remove from the mat.Everything is in general: all cables (USB, SATA), memory, processor, battery. Turn on. See if it will turn off or not. Turn off the system in this state. You need to keep the power button for a long time, ten seconds.

If it works in such an empty form (it is clear that the screen is empty, the squeak is silent, the keyboard does not work). Then insert parts one at a time.

PC automatically shut down after 5 seconds,Troubleshooting with full solution step by step #Shutdown

Where you are territorially. City, district? Maybe someone from the here is nearby. Look.

What mat.Pay? Maybe someone will fit a similar.

That’s really. “The elephant will stop for a horse and will tear off his trunk. “As soon as the bar began to rest and not get into the detachment. You need to immediately stop raping a mother.

There are several options, however, they all lead to one. Mother died. R.I.P bent the contacts in the part of the memory slot. They crushed the bar with such force that the mother deformed the Mother, crumpled and broke the paths of the printed circuit board.

In any case, the mother is most likely dead, and God forbid that he does not burn the percentage.

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Yes, the only way out take and check the power chains, a multimeter on the motherboard. Whether nothing burned in it on the fact. You can also try, take the ooper.To.Thelert again and put it again. Maybe they simply closed.

High probability that the mother has burned down. Or something in nutrition and the motherboard chipset overheating.

At home without special knowledge, you do not have this in any way. Bring in SC.

Most likely, the motherboard has burned down, check the power chains, replace the BIOS battery, maybe the oxidation of the OP contacts, wipe them with a common wash and remove its traces, this also happens if nothing of the transferred is shortened somewhere/which has been shortened somewhere/which has been the motherboard during which She burned down, or you have inflicted physical damage to the motherboard, it will be better to take the decision to the SC, there it is already to navigate from them so as not to finish off completely, there may still be a significant chance of its salvation

Main reasons

To understand what exactly the problem is, you need to remember, after which it appeared. The reason for the loading of loading may be:

  • Incorrect installation of components (for example, motherboard or processor). Perhaps you recently changed thermal grease, conducted a planned PC cleaning or installed new equipment. If these actions are incorrectly carried out, a short circuit is possible or sharply overheating of the processor at the time of loading.
  • Problems after BIOS update. If something went wrong during the update, the computer will not be able to start.
  • Incompatibility of new SATA devices with installed equipment. Perhaps a new drive or HDD drive is conflicting from any of the components.
  • Pollution of the system unit. Dust is the conductor of electricity and, clogging contacts, can cause problems with equipment.
  • Viral activity. This happens, although rarely. Usually viral programs are manifested differently. However, it may be that your antivirus did not react to the threat in time, and after the infection you managed to restart. As you know, most viruses are finally prescribed in the system only after rebooting and only if the user works under the administrator’s account record. In most cases, problems with the launch of the infected system do not arise (they appear after loading), but in some cases, when turned on, the computer turns off due to damage to important system files.

If you cannot recall any previous events (in other words, the problems appeared suddenly), but the computer turns on and turns off endlessly, the reasons must be sought in the gland. Most likely, you have problems with RAM, power supply, video card or motherboard.

Disconnect the step and attach the newly available elements of your computer (with the exception of CPU)

This step applies to all cables and connected internal components of PC (BP cable, memory, graphic card, hard drive, keyboard, mouse, etc.D.). Gently disconnect them from the corresponding connectors, and the contacts of memory planks and graphic boards are recommended to gently and carefully wipe it with a standard eraser. Then all the disconnected components are also necessary to be carefully and tightly attached back. If nothing helped after this operation, we move on.

Although the processor is quite rarely guilty of the appearance of dysfunction in the article, the problems in its work can also be a factor causing this problem. It is recommended to carefully remove the cooler (on the way, having convinced sufficiently thermopastes on the CPU), and then remove the CPA itself using the appropriate latches, in order to make sure that it is established correctly (this applies to the situation with the newly.Worn PC).

At the same time, the specifics of this operation is available to fairly experienced users and specialists, therefore it is not recommended to perform this operation if you are not sure of the sufficient level of your competence.

Possible causes of malfunction

If the computer refuses to load, then the cause of this behavior can often be the following malfunctions:

The last reason is most often manifested when the processor cooler is faulty, the overheating of which, in this case, can be caused for a short time without cooling.

Sometimes the system of a systematic can occur after several minutes of work with a faulty fan.

A failed power supply can also cause a shutdown of the systems when it will be launched. A short circuit can be caused by various metal items that could be on a computer board. In this case, the constant protection of sensitive electronics and the energy supply of the closed area of ​​the circuit will be stopped. If you continue to attempts to start a computer, then the protection will work again, and you will not be able to start the computer.

Causes of problems

Endless inclusion and off of a desktop computer or laptop can occur for the following reasons:

    Pollution of the internal space with components in laptops and the system unit in stationary PC. Often the “insides” of the machine have not been cleaned for years, which causes a large number of problems with the performance and performance of the device. Dust perfectly blocks the transmission of electrical signals, which may well cause endless spontaneous turning on and off the computer. A sufficient amount of energy simply does not receive important components to important components.

Most often, the reasons for this behavior of the computer lie in the problem with components. Before carrying the device to repair, it is recommended to clean it from dust from the inside, check how correctly the RAM modules are inserted and whether there are deformations on the condenser.

Setting up the correct work of BIOS

If you previously made changes to the BIOS and after that the computer has stopped correctly included, plus you are sure of the serviceability of its other components, then the problem exactly lies in the last settings.

computer, turns, turning, seconds
  • Easy. If the computer independently restarts only after some time, then you can enter the BIOS standard method.
  • Complicated. The computer is not included in the BIOS or reboots/off immediately after turning on. I will have to drop the settings by opening the case and “take” with the motherboard. It is recommended to entrust this work to a specialist, so as not to make even worse.
  • Enter BIOS. As soon as it starts to turn on, click on Delete or keys from F2 to F8 (which key to press depends on your motherboard).
  • In the “Exit” tab, find a line with the name “Load Setup Defaults” (translation “Download the default settings”), the name may vary depending on the model of the motherboard and the BIOS version.
  • Open the computer’s body and find a special jumper on the motherboard. Usually located next to the battery and the CMOS chip. It should be written “Clear” or “Clear Cmos”, “Clrtc”. Most of the motherboards have a settings reset button

Do everything as accurately as possible so as not to damage the plugs and caps themselves, which can bring the motherboard to full inoperability. It is better to entrust any work with components with components.

Checking individual components

First of all, clean the insides of the computer/laptop from dust. If there is a lot of dust, then after its removal there is a chance that the computer will turn on normally. Clean dust with a brush, dry microfiber, vacuum cleaner. Do it carefully, preferably in gloves. Use the vacuum cleaner at minimum power. If the cleaning of dust did not help, then pay attention to the modules with RAM and the power supply.

  • See if the modules are well installed in slots. If they are poorly fixed, then insert them again to the click, then make sure that they are in a fixed position. First of all, pay attention to the integrity of the mounts.
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To check if the faulty power supply is the reason for the problem, borrow it for a while for someone and install it instead of your. Replacing the power supply is a simple procedure, the only thing you need to do is to stick the wiring into it by analogy with how they were stuck in the previous block.

If the computer has turned on without problems with the new power supply, then this indicates the need to complete the replacement of this element. A good power supply is not very expensive. It is recommended to consult with a specialist when choosing, t.To. It is advisable to take into account the characteristics of the main components of the computer (motherboard, cooling system, etc.D.).

Elimination of problems of overheating

If the cause is overheating, then the computer is turned off does not occur immediately, but after 10-30 minutes. In this case, the OS is loaded without any problems, which allows you to check the heating of the equipment. To do this, download the AIDA64 utility on the computer. It weighs about 50 MB, is downloaded quickly and installed, however, the program is paid, so it can only be used by a limited period.

In the program integration, in the left menu, open the “computer” tab and select “Sensors” there, after you will show the current temperature of the processor and video card. If it is above 60 degrees (processor) and 80 (video card), then you need to take measures.

    Checking the system load. Open the “task dispatcher” and see if any “left” programs are turned on that greatly load the processor and RAM. If any, then turn them off through the dispatcher. The “Auto Laugh” tab shows applications that automatically turn on when loading the system. Disconnect the autorol of extra applications. If possible, it is also recommended to check your computer for the presence of viruses.


Very often PC is cut down due to banal overheating. This can happen in the summer. To get started, remove the side cover and completely clean the system unit from dust. Before that, be sure to deify it. Pull it out of the outlet. You can use a regular home vacuum cleaner. Just be very careful and do not use wet or wet rags.

The same must be done with the video card. Before that, pull it out of the motherboard nest.

If the problem does not solve, then try to go to the BIOS and see the processor temperature. You can go to BIOS using the keys: “DEL”, “F2”, “F10”, “Esc”.

If the temperature is too high and constantly rises, then the problem can be in a thermal paste that no one has changed for a long time. She could dry and fall to the processor. Remove the cooler.

Wash the old layer of pasta and apply a new layer. In a very thin layer. If you apply too much, then thermal conductivity will be worse. Also, some thermal paste conduct current, which can lead to poor consequences.

Subject check

Check that all cables from the power supply are installed in the right place. You can try to pull them out and insert them back. The plug should sit tightly in the groove.

Sometimes the problem does not arise in the systems itself, but in the outlet. This happens especially often in old houses, when the wires inside can break off. Then you can see yellow circles or small spots of Gary next to the outlet. Try to reconnect the computer to another outlet. If the problem is solved, then disassemble the outlet and check the design and the wiring itself.


When turned on, only a dark screen is visible. Pull one dick of RAM if you have several of them. In general, you need to find that dick, which is the culprit. As soon as the culprit is found, pull it out and try to clean the contacts with an elastic band. After that, try to insert the dick back. If after that the system does not work, then you will have to change the bar to a new

The problem with the video card

  • When turning on, nothing is displayed on the screen at all. Then you can try to connect the monitor to the built.In video card on the motherboard. It is better broken up while pulling out of the motherboard.
  • BIOS is loading, even you see Windows loading on the screen, but then the process does not go further, and you see a dark screen. You can also see barely noticeable artifacts: stripes, squares, color change, etc.D. This may indicate a dump of textolite substrate from the crystal of your video chip. By solving this problem, we go here.

The computer is squealing

BIOS can issue sound signals, and depending on the BIOS version and the motherboard they can signal. We look at the number of squeaks, as well as in their length.

NOTE! Here everything is like in the ABC Morse, there are short signals that I will designate a symbol (.) and long, designated (-). Also in brackets I will write the number of these signals (1-8). For example, two short and one long(2)-(1)

  • .(1). Everything is fine.
  • .(2). Sitting battery, contacts on the motherboard. It is worth checking the food.
  • -(3). Keyboard error.
  • -(one).(1). RAM.
  • -(one).(2). Video card.
  • -(one).(3). Keyboard connection. It is worth reconnecting the case into another slot.
  • -(one).(9). ROM error, just reboot.
  • .(constantly repeating). A problem in the power supply. You can try to turn off some devices from the systems, pull out the video card, or just clean it from dust.
  • .(1). Normal work.
  • .(2). Problem with RAM.
  • .(3). Check the RAM connection.
  • .(4). The problem of the timer in BIOS, maybe you have a battery.
  • .(5). Processor. Check the power on the motherboard.
  • .(6). Keyboard.
  • .(7). Motherboard, we also check food.
  • .(8). Problem with the memory on the video card.
  • .(9). Problem in BIOS. You can try to reflash it.
  • .(10). Problem with CMOS memory.
  • .(11)-a problem with a cache.
  • -(one).(2-8)-connection to the monitor or video card.

Here the signals do not break into short and long, but just a squeak in a certain rhythm.

  • Two short ones with intervals, and then 3. CMOS error.
  • Two short and 4. Error in the BIOS chip.
  • One short, then twice short signals. DMA error.
  • One short, then 3 rapidly repeating, and then again one short. The operational.
  • Like the previous option, only instead of 3. 4 signals. Motherboard.
  • 4 signals, then 2 and then 3. The problem with Klava.

USB error

On the screen you can also notice the message:

“USB Device Over Current Status Detected System Will Shut Down after 15 Seconds

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