Did you find that the computer stopped turning on? First of all, you should check the power supply or Charger- most often it has a light bulb indicating the presence of voltage. If it does not light up, the charger must be replaced. If the light is on, then you need to make sure that the charging indicator on the laptop is on. Unfortunately, this is one of the most common manifestations of completely different malfunctions.

What malfunctions can be?

  • The laptop does not respond to the power button;
  • The laptop turns on and immediately turns off;
  • The laptop turns on, but Windows does not start;
  • When you press the power button, the laptop turns on, the lights are on, but the screen is dark;
  • When you press the power button, the laptop turns on, the indicators flash, the Windows startup sound is possible;
  • The laptop works for a while, then turns off and does not turn on.

Why won't my laptop turn on

  • Failure or malfunction of the power system;
  • Operating system errors - Windows or Mac OS does not start;
  • The problem is in the RAM;
  • Overheat;
  • Damage to the BIOS firmware, often with an unsuccessful update;
  • Failure of the video chip chip;
  • Failure of the northbridge or southbridge chipset.

Laptop screen won't turn on

Particularly with this problem, there is no indication on the laptop. You need to make sure that the adapter that came with the purchase is connected. Next, you need to check the external integrity of the cord from the outlet to the adapter and from the adapter to the laptop - that there are no fractures on it. Often pets try their teeth on the wire from the adapter. In the absence of a charge, the battery is discharged, when you try to turn on the laptop, the charging indicator flashes several times. And this is repeated every time the power button is pressed.

The second reason is damage or wear of the input connector for connecting the adapter. The connector in 80% of cases is attached to the board by soldering, so a blow to the plug from the power supply or a plug inserted at an angle can lead to further breakage of the contacts. In the worst case, the connector itself is destroyed. Also, one of the reasons for the failure of the power socket is overheating and melting due to poor contact as a result of natural wear.

The third reason why the laptop does not start and the black screen is a battery malfunction. As a rule, when you press the power button, there is no reaction - the noise of the cooler, the hard drive. If it is possible to disconnect the battery, do so and try to turn on the laptop only from the mains. If it works, the battery needs to be replaced.

Laptop won't start - black screen

When you press the power button, the laptop does not turn on, the power indicator is on, then in this case there are several options for breakdowns - from the banal separation of the contacts of the matrix connector to replacing the video chip or Bios firmware. If the matrix cable connector has come off, you need to disassemble the laptop screen case and insert it, fixing it with factory tape.

If the problem is in the cable, then it will need to be replaced. This most often requires disassembly of both the screen and the bottom of the laptop. The cable must be laid in the body mount in the same way as it was before, in order to prevent its strong wear from friction.

Serious damage includes the replacement of the bridge and motherboard chips. This procedure also requires expensive equipment, namely a high-quality infrared soldering station, compressor, profile soldering system, which is available in our service center.

Windows won't start on laptop

If the laptop does not boot, then this problem is solved by restoring or reinstalling the operating system. These works do not require disassembly of laptops and take, as a rule, a little time.

In the event of a hardware problem, usually the hard drive, it needs to be replaced. The natural resource is usually limited to 3 years with careful handling. If the laptop was shaking during operation or it fell, then data can be lost at any time.

An ordinary HDD is a partially mechanical device where data is stored on magnetic disks, and information is read and written on top of them by magnetic heads. The heads "hover" above the disk at a meager distance without touching their surface. When shaken or hit, they touch the surface and cause damage to the carrier magnetic layer. Solid state HDDs are several orders of magnitude less susceptible to such an impact, since there are no mechanical parts. And yet, if Windows does not start on a laptop, it is difficult to list the entire range of possible malfunctions without diagnostics.

When performing work, it is important that the master does not forget to check the performance of the hard drive using S.M.A.R.T. attributes that store disk self-diagnosis information. Otherwise, the problem may occur again.

Laptop turns off by itself

In this case, after some time after turning off the device, it is still possible to turn it on. If the laptop turns off and does not turn on for a while - 90% of the problem is in the cooling system - the processor overheats after a short work. It is necessary to prevent the cooling system with the replacement of thermal paste of at least MX-4 class.

It is worth noting that after performing the work, it is necessary to check the thermal modes at full processor load. This test allows you to determine the performance of the thermo-tubes of radiators, as well as thermal pads or so-called thermal interfaces. If the tubes fail, they will definitely need to be replaced, otherwise the server bridge or processor may fail.

Laptop not responding to power button

Check the power supply - it may not be charging the battery. Due to a faulty battery, the laptop may also not turn on despite the adapter being connected.

If the power supply and battery are good, and the device does not respond to the power button, there may be malfunctions as the power button or power connector. IN difficult situations the motherboard fails - malfunctions of the power circuits, PWM power controller, Multicontroller, MOSFET switching keys.

  • The power adapter or its cable is defective;
  • Damage to the power connector;
  • Malfunction or short circuit in the battery;
  • Failure of the power supply circuit - the charge of the motherboard.

Turns on and off immediately

This situation can occur as a result of both a complete discharge of the battery, and a malfunction of the motherboard. You can see a winking power-on indication. Check the serviceability of the adapter, connect it to the computer with the battery removed.
If the laptop does not turn on anyway, the failure may be related to both the power connector and the motherboard power system. It is necessary to contact the service center master, because. repairs must be carried out using equipment.

Acer laptop does not start - example

Let's give an example of an illiterate action the masters of one of the service centers, from where they brought us the device for repair - the acer laptop does not turn on. After disassembling the Acer Aspire 5920, it turned out that there were attempts to repair it by heating the bridge strongly, using a Chinese hot air station.

When you press the power button, the laptop blinks lights and does not turn on. As a result of the diagnostics, a problem was identified in the BIOS firmware. Firmware done. The repair took only 3 hours.

Indeed, this model "sins" with the frequent breakdown of the north bridge, the video card, which operates under load in critical mode. However, this does not mean that any problem with turning on should be attributed to a malfunction of the north bridge, the cause may be: power supply nodes in the motherboard, switching circuit, malfunction of the BIOS chip, microcontroller chip and other elements, of which there are more than 1000 pieces in the laptop.

For some people, a laptop is such a necessary thing that when it does not turn on, they feel hopeless. If you turn on the laptop, and it does not show signs of life, then do not rush to panic. In this article, we will talk about what you can do if such a trouble occurs.

All problems with a laptop are divided into two groups: software and hardware. The first can be solved immediately without getting up from your chair. This includes problems with programs, the operating system, and BIOS settings. If the second appears, then repairs are needed.

Freezes showing splash screen

Above, situations were described when the laptop stopped turning on. What to do if it freezes? In this case, an initial splash screen or some text may appear. Nothing happens next, the laptop writes about an error or beeps. Most likely, this is a problem with the BIOS settings. You need to enter it and reset the settings. IN various versions this item may be in different places, but it is called the same and contains keyword defaults. Then save the settings (save) and exit (exit). Please note that the system may report an error, but further loading is possible. You just need to press the F1 button. This usually happens when the battery on the motherboard is dead. At the same time, BIOS settings and time are lost. It needs to be replaced (either by yourself or at a service center).

This also includes the situation when, after the update, the laptop does not turn on or freezes. Reinstalling the system will help here. It's better to turn off automatic updates and choose only those that you really need.

What to do if the laptop does not turn on (or rather, does not boot) after you have used the above tips? Then the problems may be due to RAM or hard drive. And this is much more serious. For some laptop models, access to RAM is not closed. It is worth removing the straps and carefully clean the contacts. A problem with a hard drive can be diagnosed by its clicks during information transfer.

Doesn't boot from disk

This can be signaled by inscriptions from the screen on English language. For example, Error loading operating system or something similar. First, turn off all external devices (flash drives, disks, etc.). Then reboot. If it does not help, then this is either a software or hardware problem of the hard drive. The first can be solved by contacting service center, where they know exactly what to do if the laptop does not turn on. Second - reinstalling operating system.

Conclusion

So what to do if the laptop does not turn on? The reasons may be different. To begin with, it is worth considering at what point this happened. That is, what last actions could lead to a breakdown. If it was long game, the video card or other chipsets of the laptop have probably overheated. This will require a qualified repair. If some program was installed, and after the reboot the laptop did not turn on, then these are operating system errors.

The most common problems and ways to diagnose them were described in the article. And finally: do not make rash conclusions and do not disassemble a laptop without having the appropriate knowledge.

"A-Iceberg" - 25 years with you. 5 million repairs completed.

If the laptop turns off and does not turn on, then often all the standard attempts to start it do not bring the desired result. At the same time, there is no reaction to pressing the power button, the screen does not light up, all the lights are off (in some cases, the battery indicator is on), the noise of the cooler is not heard, and there are no BIOS beeps, accompanied by which the operating system usually starts. The presence of the above symptoms is a compelling reason to contact a specialist.

Engineers of the A-Iceberg Service Center promptly eliminate breakdowns of any level of complexity in one visit, regardless of the brand and model of the laptop. All work is carried out at home using modern equipment and high-quality consumables.

Why the laptop does not turn on after a sudden shutdown

If the laptop turns off and does not turn on, the wizard decides what to do and how to diagnose according to the generally accepted algorithm for eliminating the causes of the following malfunctions:

  • lack of voltage in the mains or violation of the integrity of the power cord
  • power supply failure
  • power socket failure
  • battery failure
  • short circuit of the northern and southern bridges motherboard, malfunction of its power controller
  • BIOS crashes

Specialists of the A-Isebrg Service Center will carry out a detailed diagnosis of the hardware and system parts of the laptop, repair or replace the power connector, power supply, battery and motherboard. All defective components are replaced with original certified spare parts.

Troubleshooting

1. The shutdown of the device could have been triggered by voltage fluctuations in the mains or by a discharge of the battery due to a lack of power. Connect your laptop to a different outlet or use a multimeter to measure the voltage in the network. If its value is below 190 V or above 250 V, then the problem is found. Possibly damaged network cable or wiring from the power supply to the AC adapter. In this case, the master will replace the power cord and worn wiring.

2. If the power adapter LED is off and the laptop turns on when a known-good secondary power source is connected, the power supply needs to be repaired or replaced. Based on the cause of the breakdown, the master will replace the mains fuse, disk thermistor, power transistors or diode bridge diodes (they could be broken or shorted). In most cases, failure is provoked by swelling or oxidation of capacitors, the replacement of which returns the power supply to life.

3. If the power connector is faulty, then it is simply impossible to charge the battery or work from the mains. Repairing the connector is impractical, so the wizard will replace it by doing the following:

  • laptop disassembly and motherboard removal
  • desoldering the power connector of the board using a hot air soldering station
  • removal of old solder with a braid
  • soldering the new connector to the motherboard pins using a high quality gel flux
  • cleaning contacts from flux residues
  • assembling the laptop in reverse order

Advice! To prevent sparks from damaging the power connector, plug the power cord into the outlet only after plugging the plug into the connector.

Note! Prolonged operation of the device with a faulty power connector can cause burnout of part of the motherboard and its power circuit.

4. Try to remove the battery and connect the laptop directly to the mains. If the device turns on, then the reason lies in the breakdown of the battery. The master will repair it, which consists in replacing the batteries, temperature sensors and a temperature fuse that opens when overheated. If the laptop turns off when the battery is 60-65% charged, then you need to calibrate it.

5. A short circuit of the microcircuits of one of the bridges of the motherboard or a breakdown of its power controller can provoke a sudden shutdown of the laptop. The device will not turn on until a specialist replaces the damaged electronic components of the north and south bridge chips.

6. The only non-hardware reason for a laptop to turn off spontaneously and then refuse to turn on is the presence of BIOS errors. The BIOS update procedure consists in installing a new firmware (compatible with the motherboard model) using a special utility. This will help eliminate critical errors and significantly improve the performance of the laptop.

Carefully! An unprofessional BIOS update (incorrect installation or an incorrectly selected firmware version) often provokes a motherboard failure.

Why you can not do without the help of a master

Only an experienced specialist will be able to perform high-quality laptop repair and replacement of its parts without damaging the expensive electronics of the hardware. Self elimination malfunctions in most cases provokes the final loss of device performance or failure of its main components.

Professional repair, carried out in strict accordance with the manufacturer's recommendations, will be the key to long-term and uninterrupted operation of your equipment. Trust the specialists of the A-Iceberg Service Center, and today your laptop will be fully operational. A warranty card is issued to confirm the quality of the repair. Leave applications online on the website or by phone

If the screen on your laptop does not turn on or remains black when turned on, then the first thing you need to do is figure out the problem of the error. There are a lot of reasons that cause such a problem. Before contacting the service center, you can independently carry out diagnostics.

Causes of the malfunction

The reasons why the laptop screen does not work can be divided into the following groups:

  • The battery has stopped working.
  • Fault in the hardware settings of the laptop.
  • The RAM has fallen out of the socket or the RAM has failed.
  • Breakage of the backlight, laptop matrix or cable.
  • Video card problems.
  • Damage to the motherboard due to overheating of the device or mechanical interference.

In the last 3 cases, repair or replacement of parts will be required. You can try to fix the malfunctions described in other paragraphs yourself.

If the laptop turns off after a long time of use and does not start, it is likely that it has overheated. It is necessary to check that nothing blocks the air outlet, clean it from dust and turn it on again.

Video card problem

The video card is responsible for processing video effects on laptops. When a laptop is running, a black screen can pop up at any time when the video card completely or partially fails.

As in situations with personal computers, a video card on laptops is a rather capricious thing that can break due to mechanical injury or overheating. The complexity of repairing a video card in a laptop lies in the fact that this component is securely soldered. Nothing can be changed individually.

Of course, professionals using special equipment can change the video card, but this is a very expensive service. It may be necessary to replace the entire system board.

Damage to the motherboard due to overheating of the device

When starting a laptop, a black screen may appear due to a malfunction of the motherboard. In a laptop, the screen may not turn on at all when the motherboard is excessively overheated.

In turn, overheating is caused by dust and various garbage under the hull. All this "disgrace" tends to heat up, which prevents normal heat transfer. It turns out that the motherboard and all its hardware will work much slower than usual.

The system cannot operate at full capacity due to the temperature increase. We need to disassemble the body of the device, and then clean everything there properly. The main thing here is not to damage the tracks on the board and important contacts, you can not spill water on the motherboard.

Immediately you can lubricate the fan and change the thermal paste. Thermal paste is applied to the video card and processor, and a radiator with a fan is installed on top to remove hot air. You need to apply thermal paste in a thin layer so as not to squeeze out the entire tube.

Faulty cable or screen matrix

If you can connect an external monitor, then it becomes possible to check if the video card is working. If the image is normal on an external monitor, then the video card is working. In some laptop models, after connecting an external monitor, the matrix automatically turns off.

Perhaps you just need to switch the screen back to the internal matrix. Switching is carried out by a combination of hot keys, which can be found in technical description devices.

If there is a normal picture on the external monitor, then an error has occurred with the cable or in the matrix itself. If on some parts of the monitor there is a picture, in others it is absent, then this indicates a failure of the matrix. Most often, jitter occurs due to a faulty loop. All repairs consist of replacing the cable with a new one.

Also, the absence of a signal when the hard drive and cooler are not working at the same time indicates problems with power circuits. On the system board, the power paths may have burned out or the connectors are loose.

To check these problems, you need to disassemble the laptop, inspect the connection of the cables and start searching for burned out tracks. On boards, the traces are very thin, so only professionals can properly reconnect.

You can also check the status of the switch screen. It could break off, stick, fail. The switch can stick due to liquid getting on the laptop.

If even a drop of sweet liquid is spilled on the switch, it will almost certainly lead to sticking. You need to find it, it is located in the area where the laptop case is connected to the matrix. You can try a thin screwdriver to press the lever and try to turn on the lamp.

On the screen, the faded appearance of the picture indicates that the matrix backlight burned out, problems with cables, controllers, or about a malfunction of the power transformer.

The cable could break, or thin tracks crumbled at the point of connection to the matrix. The repair process of thin tracks is a very risky task. Often, performance can be restored only in 50% of cases.

If the lamp has lost its brightness or burned out, it remains only to change it. It is not always possible to find a similar product that was in a laptop. In this case, you can choose a replacement in terms of dimensions and parameters, reconfigure the brightness of the matrix and the lamp.

You can verify the operation by bringing the monitor screen to the source with bright light. If there is still a backlight, albeit very dim, then this means that there is no backlight. It turns out that this malfunction is connected with the lamp or with its connection.

Battery failure

The laptop battery is constantly draining. A black screen during device startup may indicate that the battery is low.

An unpleasant sensation may occur if the battery is not charged when the cable is connected. Removing the battery also does not solve the problem? The power supply itself or the cable may be damaged. In this situation, you need to take a multimeter to measure the voltage at the output of the power supply.

It is necessary to attach the multimeter probes to the output contacts of the PSU, after which the multimeter pointer should be set to 20 V. The voltage should appear on the display with a small error.

Without a minimum knowledge of electronics, it is better not to do this yourself. If the PSU fails, then certain components may need to be replaced, which is a very time consuming task without decent tools. Much easier to get a new charging cable.

RAM failure

The image may not be displayed because the memory modules are installed incorrectly or there are problems with the contacts. This method quite often it allows you to solve the problem when a black screen appears and the laptop does not turn on after moisture or water gets into it. It is important to make sure the laptop is completely dry and do nothing until it is completely dry.

First you need to remove the RAM module and purge the connectors. If only one memory stick is installed, and 2 connectors are available, then you can simply swap them. Let's take a look at how RAM is extracted.

During disassembly of the laptop, you must first disconnect it from the power supply, remove the battery. Many laptops have specially designated compartments for RAM, you need to unscrew it. If you are unlucky and there is no such compartment on a working laptop, you need to completely unscrew the back cover in the product.

The screenshot shows the view of the compartment for the RAM and how it should be unscrewed.

Laptops have become a part of life modern man. Like other appliances, they sometimes break. When it stops turning on, you should not panic, but you should find the cause and eliminate it. In most cases, you will be able to restore your computer.

Causes of the malfunction and their solutions

The reasons why the laptop does not actually turn on may be great amount. Many of them are quite simple and it will not be difficult to fix them yourself, but with some problems you will have to contact a service center.

Let's take a look at the main reasons why mobile computer may stop running:

Comment. Very often, when people say that the PC does not turn on at all, they mean that it does not boot.
Windows. This is not entirely correct reasoning, but it is popular among ordinary users.

Nutrition problems

Power-related problems very often lead to the fact that the PC stops starting. Despite the fact that the problem seems to be serious, in most cases it is quite easy to diagnose and fix it at home.

Main power problems:

  • incorrect adapter connection;
  • damage to cables and connectors;
  • battery failure;
  • failure of the power supply;
  • problems in the supply chain.

Often with such problems, the laptop power indicator does not light up. First of all, you should check that the power supply is connected correctly and that it is plugged into the outlet. It is worth noting that even very experienced users can forget to connect the PC to the network. As a result, after the battery is discharged, the device stops starting.

Damage to power cables and connectors can be caused by a variety of reasons, including careless handling or pets chewing on the wire. You can check this malfunction using an external inspection.

Another very common malfunction is related to the battery. In some cases, if it does not work, then the PC stops turning on even with the network adapter connected. Usually, after pressing the power button, even the cooler does not work. Therefore, it is worth trying to run a mobile computer on mains power without a battery.

The power supply fails quite often for any device. Without a charger, the laptop battery will run out sooner or later, after which the computer will stop turning on. Checking if the network adapter is working is very simple. It is enough to connect another charger from a known good computer.

Many power supplies are equipped with an indicator. Even if the light is on, it is impossible to completely exclude problems with the network adapter. It is worth noting that there are a lot of power supplies for laptops. Only adapters suitable for a particular model should be connected to the computer.

Problems associated with a malfunction in the power circuit are much less common, but they are more serious. In this case, it will not be possible to independently diagnose and even more so fix the problem. It is necessary to contact the specialists from the service center.

Faulty hard drive

The hard drive stores all the information and operating system of the computer. If it malfunctions, the computer can be turned on, but it freezes before the Windows splash screen appears. In some cases, an HDD error message may be displayed, for example, information that the disk is not a system disk.

In any case, the user still has the opportunity to enter the BIOS SETUP menu. There you can check whether the hard drive is detected and whether the settings are correct. If the hard drive is visible, then you can start the system from a boot disk or flash drive and test it.

Failure of the video card and chipset chips

Notebook components may also fail. The reasons for this may be overheating, damage due to impact, and so on.

Consider which details most often create problems with turning on a PC:

  • south bridge;
  • north bridge;
  • video card.

The behavior of the computer in this case can be very different. If the video card is out of order, then the image will be absent, but the fan will work and sometimes even Windows will boot, making the appropriate sound. If one of the bridges fails, the computer may not turn on at all or stop before loading the OS.

It is almost impossible to determine the reason in this case on your own. And trying to repair at home is likely to only hurt. Therefore, it is better to use the services of a service center.

Video: The laptop does not turn on. Board diagnostics.

Other reasons

In fact, the malfunction may lie in a number of other problems.

Among which are the following:

  • processor or memory damage;
  • broken BIOS firmware;
  • overheat;
  • errors in Windows.

If the PC beeps when turned on, then in most cases this indicates overheating or problems with the RAM. If you have little experience, you can try to find out on your own why this is happening. To do this, you must first remove the dust. If the problem persists, you can replace the memory modules with known-good ones.

A broken BIOS firmware may result from an incorrect update. If the user tried to perform this operation before the problem occurred, then you will have to contact for repair.

BIOS configuration errors are also often encountered. It is very easy to solve this problem yourself by simply going to the SETUP menu and loading the default settings, for example, by selecting the Load Setup Defaults option.

Errors in the operation of Windows can lead to the fact that the OS does not start. First of all, you need to find out their cause and try to solve it. In addition, you can try reinstalling the operating system or restoring a factory installed one.

Laptop won't turn on at all

Very often, the computer does not turn on at all due to power problems. But what to do if the laptop does not turn on, the power button is on after pressing and nothing happens. We'll have to find the cause and eliminate it.

Typical actions due to which the laptop stops turning on:

  • dust cleaning;
  • update;
  • overheat.

If errors were made during the cleaning or updating process, then the behavior of the computer can be very different. Including there may not be a start at all. In addition, the system may not turn on due to problems with the hard drive and after overheating.

After cleaning

There are situations when, after cleaning, the laptop stops turning on. This may start the fan or make a squeak. On some models, the indicators also start flashing.

Cleaning a laptop is associated with its disassembly. The first thing to do is to disassemble it again and check the connection of all components, as well as the installation of the cooling system. It would be useful to pay attention to the thermal paste and the health of the tubes that serve as a heat sink.

If during the cleaning process the RAM modules were removed, then you should try to remove them again, clean the contacts and reinstall them. It is also necessary to check whether the laptop starts with the hard drive and optical drive disconnected.

When re-disassembling, it is worth paying attention to the sensor for opening the lid (display). If not very carefully assembled, it may be out of place.

In case the execution simple tips did not lead to results and the device still does not work, then you should contact the service center. It is possible that the components were damaged by static electricity during disassembly or some other problem occurred.

After update

Problems may occur during the update. If updates are installed incorrectly, this may cause the computer to stop turning on.

In this case, the user can set new version BIOS, drivers, or patches for the operating system.

The most difficult case is the inability to start the computer after updating the BIOS. This happens when the user tried to interfere with the process, for example, by restarting or turning off the computer during it, or when using unofficial firmware.

Of course, resetting the settings to default will not be superfluous. This can be done by removing the battery for a few minutes or by closing the appropriate jumper on the motherboard. But as practice shows, this probably will not help to fix the problem. The only way out is to contact the service center for repair.

In a situation where errors started after installing driver updates or Windows, you can simply roll back to the previous restore point from safe mode, reinstall the operating system, or return to the state that it was when you purchased it, if such a function is available in the model.

Faulty hard drive

Usually, when a hard disk fails, it starts up, but the system simply hangs on the manufacturer's logo or displays information that the disk is not a system disk or is damaged.

If the hard drive is detected in SETUP, then you can independently diagnose it by booting from removable media and running a specialized utility, for example, Victoria. If the worst fears are confirmed or if the device cannot be detected in the BIOS, you need to check the cable.

IN last resort, you need to replace the hard drive yourself or in the service.

After overheating

Modern computers generate quite a lot of heat during operation. In case of severe dustiness or a malfunction of the cooling system, overheating may occur, after which some parts may fail. As a rule, it is impossible to solve the problem on your own, you will have to contact the service center for this.

The main parts that can fail as a result of overheating:

  • CPU;
  • video card;
  • HDD;
  • north and south bridges.

Spontaneous shutdowns

In some cases, the computer may turn on and even work normally for a while. After that, a spontaneous shutdown occurs. There are several main reasons for this.

Let's consider typical problems that lead to the device turning off without instructions from the user:

  • overheat;
  • parts failure;
  • viruses;
  • software errors;

Overheating is the most common cause of arbitrary shutdowns and reboots of mobile PCs, which can later lead to device failure. In order to avoid this, it is necessary to regularly remove dust, and also occasionally change the heat-conducting paste.

Malfunction of parts very often also occurs due to overheating. If there were no regular cleanings, then the likelihood of this is high. Solving such a problem on your own will not work. Therefore, it is worth contacting a specialist immediately.

Viruses can lead to incorrect operation of the system, as a result of which the PC may turn itself off. To solve it, you need to download special utilities from the Doctor Web site or Kaspersky Lab, perform a full scan and remove threats.

Software errors also often lead to an arbitrary shutdown of the laptop. You need to find the cause using the code that appears on the screen at the time of the failure. After that, the problematic application should be uninstalled or try updating to the latest version.

Checking for battery problems is quite simple. You need to remove it, connect the charger and start the laptop. If the glitches are gone, then you need to replace the battery.

Turns on but

In some cases, the PC may turn on, but the download will stop at a certain point. In this case, error messages may appear on the screen. In some cases, Windows does not start, in others it even fails to initialize.

Failed to initialize

Initialization occurs at the time of PC startup before switching to Windows boot. If the indicators light up, the cooler turns on, but there is no access to the hard disk (the corresponding light does not light up), then with a high probability initialization failed.

Possible reasons why the laptop may not initialize:

  1. malfunction of the processor, memory or video card;
  2. incorrect BIOS firmware;
  3. defects or damage to the south or north bridge.

Regardless of the reason, you will have to carry the PC to a service center. Only a specialist with the necessary equipment in this case will be able to accurately determine the cause of the problem and eliminate it.

Windows won't start

The inability to start Windows in most cases does not indicate a hardware problem. Therefore, you can try to reinstall it, roll back to the previous state of the PC, or use the recovery tools from the manufacturer.

In hardware, most often the inability to boot the OS is due to hard drive problems. In this case, it will have to be replaced. You can first try to diagnose with special utilities by booting from removable media.

There are a lot of options for laptop malfunctions. You can diagnose and eliminate many of them yourself at home, but in case of a serious breakdown, you will still have to contact the service center specialists.