Details Updated 03/29/2017 18:44 Published 08/28/2013 09:37 Author: nout-911

The laptop writes on startup

You decide to work on your laptop, and suddenly, after opening the lid and pre-starting, strange messages appear with an “OK” button. Your laptop writes on startup, about any failures and malfunctions, or about the critical operation of the system - this is obvious even without knowledge of the English language and computer wisdom.

Messages on the blue screen already indicate something bad. Although you didn’t do anything suspicious before, you didn’t install third-party software, your antivirus is working normally, and the laptop was purchased two months ago from a trusted retail outlet. Of course, this happened to every user, both computer and laptop.

If the laptop writes the words “Fail” or “Error” when starting up, entrust the solution to the problem to a specialist

First of all, users try to reboot the laptop, enter the BIOS, check the computer and RAM with an antivirus, remove the latest installed programs, and clean the registry with pretentious utilities. This, of course, does not bring the desired result, the message opens again, or new messages appear overlapping the old window - a “pyramid” of messages is obtained.

In this case, they give up and the user, of course, turns to specialists. But it was necessary to immediately call a technician to your home and sort out the problem. Just like self-medication, repairing a computer on your own will not lead to anything good, even if the problem in your opinion is not significant. After all, errors generated by the operating system can be the result of a violation of the software architecture, failure of a peripheral device, boot file, etc. A modern laptop is a highly complex device containing a huge concentration of new technologies and computing resources. A laptop is much more complex in the generally accepted sense of a trivial home computer, and accordingly, repairs must be performed by a high-class specialist.

Fast and high quality - that's us

Perhaps the cause of the problem lies in the BIOS firmware or incorrectly working drivers. In any case, the solution depends on at what stage of the download the error window appears and what data and processes are referenced in the message. The wizard must figure out the cause of this pop-up window - whether it is a system error or a hardware problem. The reasons may be overheating of the processor due to dust inside the laptop and a failed video card due to the cooler stopping. Thus, you need to contact experienced specialists who know their business and are ready to help you solve the problem. Our NOUT-911 service specialists offer assistance in solving all problems related to your laptop; we have been working for several years and guarantee results.

In this article I will talk about the reasons why the laptop beeps 1-3-5-7 or more times when turned on and then loading may not proceed, or Windows still loads.

Nfr, the article presents a table of signals with an explanation of what they mean for each type of BIOS or manufacturer.

This article is suitable for all brands that produce laptops on Windows 10/8/7: ASUS, Acer, Lenovo, HP, Dell, MSI, Toshiba, Samsung and others. We are not responsible for your actions.

Attention! You can ask your question to a specialist at the end of the article.

When turned on, the laptop beeps: what are the reasons?

When turned on, the laptop should emit sounds, which are single signals and indicate the functionality and serviceability of the equipment. There are other situations where the laptop beeps several times or a continuous beep is heard. The device may refuse to boot or turn on due to some kind of malfunction.

The speaker always acts as the sound source. It is located on the system board and is an indicator of the health or failure of the laptop. You can diagnose the cause of a laptop malfunction, when the laptop beeps continuously when turned on and does not load, using a special table, which we will consider below.

The most common causes of malfunction are the following:

• Incorrect BIOS settings.
• Error in the power supply.
• Overheating of important internal components, failure of the cooling system of the equipment.
• Keyboard malfunction, keys sticking.
• Problems related to the serviceability and operation of boards, including video cards.

For diagnostics, a special table with sound signals is used. This registry is individual for each BIOS series.

To correctly determine the cause of the malfunction, you need to turn on the laptop, read the frequency and analyze the nature of the squeak. After such calculations, you can find in the table the corresponding value for the probable cause of the device’s incorrect operation.

Input device

If your laptop beeps when you turn it on, the most common reason is that the keys are stuck. This is due to clogging or spilled liquid. As a result, the contacts close.

Temperature

Increase

If the laptop does not boot, then the reason may lie in the cooling system. Clogging with dust, debris, and mechanical damage caused by impacts when the laptop is dropped cause the processor to overheat. If a cooling system is used to remove heat from the graphics card, it can also fail.

RAM

When your laptop beeps when you turn it on, the reason may be due to damaged RAM. In such situations, we are talking about violations of contact between the system board and RAM. Less common reasons for the appearance of extraneous sounds when turning on include failure of the system board or incorrect settings in the BIOS.

We carry out the algorithm of actions:

• Remove the compartment cover from the RAM module. The back wall of the laptop can be completely unscrewed.
• We find the memory module, carefully remove the clamps to remove it.
• We clean the board from dust and insert it back at an angle of 45 degrees.

The same process can be performed with other laptop components. They must be carefully disconnected from the motherboard, cleaned of dust, and then installed in place.

Display

Often, apart from a beep, the screen on the laptop does not work. This point should be considered in more detail. First of all, you need to check the power settings when running on mains and battery power. Set the screen brightness.

When the screen on a laptop does not work, you should check in which positions it is not active. If the matrix cable is damaged, the display will only show information if certain conditions are met. This also applies to the position of the cover.

If your laptop has a black screen, you need to connect it to an external monitor. You should check whether the image is displayed on it. If this is the case, then the problem lies in a faulty matrix or cable. If there is no image, the likely failure is in the hardware, often the cause is the video card.

When turned on, you can hear the operating system loading. In this situation, the problem is related to the video card. When the absence of a boot process is obvious, the indicator responsible for the operation of the hard drive does not respond, then the problem is in other conditions.

The power button may break down and stop responding to pressing. Often the problem is caused by contamination.

Less common faults

When only a black screen is visible on the laptop, but you can hear the operating system loading, you need to take a closer look at the display, you can shine a lamp on it. If you can view the images, but there is no backlight, then the inverter or lamp is faulty. These elements are responsible for illuminating the screen.

If the inverter breaks down, it can be repaired or replaced, it all depends on how serious the breakdown is. The backlight lamp cannot be restored; it must only be replaced. If the display on the sides turns black and displays almost nothing, then a possible reason for this is a hardware failure of the laptop.

In most cases, the video chip breaks down due to overheating, but there may be no contact between the memory module and the power supply. In this case, a thorough check of the laptop will be required.

To find and fix problems, you need to diagnose the product. The matrix can remain in good working order, its damage is likely only if liquid gets on the screen or mechanical damage.

Diagnostic features

The signal patterns depend on the firmware version and laptop model:

• Squeak is a system of “call signs” in the BIOS, which reports about a particular state of the computer.
• For example, 3 long beeps indicate a keyboard failure, and a long beep with two short beeps indicates a video card failure.
• If after a long squeak you hear 9 short ones, then there is a problem with the RAM, perhaps only in one of the modules.

There are a lot of variations and encodings. Below are tables with decoding of BIOS sound signals depending on the manufacturer.

Increase
Increase

1-1-2 means 1 beep, pause, 1 beep, pause, 2 beeps.

Increase
Increase
Increase

When a laptop beeps when turned on or during operation, this may not entail any special deviations during operation. In essence, this does not cause functional problems, but interferes with comfortable work. This symptom can have many root causes: software and hardware.

Mechanical problems

If the laptop boots, but there is a squeaking sound, the most primitive option is that the keys are stuck, which often happens when something was spilled on the keyboard. Laptops are especially sensitive to sticking of the delete and escape buttons, as well as the F-block.

The signals also indicate a disconnection or failure of a peripheral device.

It happens that the laptop beeps and does not turn on at all; only a specialist can diagnose the problem. Most likely the situation is related to the failure of the motherboard or its individual elements.

Diagnostic features

Signals can appear at various stages: on and off. Let's say the computer turns on, but there are still certain difficulties with loading, then specialists listen to these signals. The reason may be a failure to start the video card or processor due to overheating. Sometimes simple cleaning of dust, reinstalling the cooler, or replacing thermal paste helps. The signal patterns depend on the laptop model and firmware version.

• A squeak is a system of “call signs” in the BIOS that reports a particular state of the computer.
• For example, three long beeps indicate a keyboard failure, a long beep and two short beeps indicate a video card failure.
• After a long squeak there are 9 short ones - the RAM has failed, maybe only one of the modules.

There are a great many encodings and variations; the examples presented refer to the popular AWARD notation system, but there are others, for example, on Compaq. Occasionally, a scenario is possible when the error lies at the level of the BIOS itself. This is a difficult case: to solve this problem, professionals usually use flashing.

Below is a table of decoding BIOS sound signals depending on the manufacturer.

AMI BIOS

	Decoding BIOS signals
1 short	No errors found, PC is working fine
2 short	RAM parity error or you forgot to turn off the scanner or printer
3 short	Error in the first 64 KB of RAM
4 short	System timer malfunction. Set the time in BIOS or WINDOWS system
5 short	Processor problems
6 short	Keyboard controller initialization error
7 short	Problems with the motherboard
8 short	Video card memory error
9 short	BIOS checksum is incorrect
10 short	CMOS write error
11 short	System board cache error
1 long, 1 short	Problems with the power supply
1 long, 2 short	Video card error (Mono-CGA)
1 long, 3 short	Video card error (EGA-VGA)
1 long, 4 short	No video card
1 long, 8 short	Problems with the video card or the monitor is not connected
3 long	RAM - read/write test completed with error. Reinstall memory or replace with a working module.
Missing and blank screen	The processor is faulty. The contact leg of the processor may be bent (broken).
Continuous beep	The power supply is faulty or the computer is overheating

Award BIOS

Sequence of beeps	Decoding BIOS signals
1 short	Successful POST
2 short	Minor errors found. A sentence appears on the monitor screen enter the CMOS Setup Utility program and correct the situation. Check that the cables are securely fastened in the hard drive and motherboard connectors.
3 long	Keyboard controller error
1 short, 1 long	Random access memory (RAM) error
1 long, 2 short	Video card error
1 long, 3 short	Video memory error
1 long, 9 short	Error reading from ROM
Repeating short	Problems with the power supply; Problems with RAM.
Repeating long	RAM problems
Repeated high-low frequency	Processor problems
Continuous	Problems with the power supply

Phoenix BIOS

1-1-2 means 1 beep, pause, 1 beep, pause, and 2 beeps.

Sequence of beeps	Decoding BIOS signals
1-1-2	Error during processor test. The processor is faulty. Replace the processor
1-1-3	Error writing/reading data to/from CMOS memory.
1-1-4	An error was detected when calculating the checksum of the BIOS contents.
1-2-1
1-2-2 or 1-2-3	DMA controller initialization error.
1-3-1	Error in initializing the RAM regeneration circuit.
1-3-3 or 1-3-4	Error initializing the first 64 KB of RAM.
1-4-1	Motherboard initialization error.
1-4-2
1-4-3
1-4-4	Error writing/reading to/from one of the I/O ports.
2-1-1	An error was detected when reading/writing bit 0 (in hexadecimal) of the first 64 KB of RAM
2-1-2	An error was detected when reading/writing the 1st bit (in hexadecimal) of the first 64 KB of RAM
2-1-3	An error was detected while reading/writing the 2nd bit (in hexadecimal) of the first 64 KB of RAM
2-1-4	An error was detected when reading/writing the 3rd bit (in hexadecimal) of the first 64 KB of RAM
2-2-1	An error was detected when reading/writing the 4th bit (in hexadecimal) of the first 64 KB of RAM
2-2-2	An error was detected when reading/writing the 5th bit (in hexadecimal) of the first 64 KB of RAM
2-2-3	An error was detected when reading/writing the 6th bit (in hexadecimal) of the first 64 KB of RAM
2-2-4	An error was detected while reading/writing the 7th bit (in hexadecimal) of the first 64 KB of RAM
2-3-1	An error was detected while reading/writing the 8th bit (in hexadecimal) of the first 64 KB of RAM
2-3-2	An error was detected while reading/writing the 9th bit (in hexadecimal) of the first 64 KB of RAM
2-3-3	An error was detected when reading/writing the 10th bit (in hexadecimal) of the first 64 KB of RAM
2-3-4	An error was detected while reading/writing the 11th bit (in hexadecimal) of the first 64 KB of RAM
2-4-1	An error was detected when reading/writing the 12th bit (in hexadecimal) of the first 64 KB of RAM
2-4-2	An error was detected while reading/writing the 13th bit (in hexadecimal) of the first 64 KB of RAM
2-4-3	An error was detected while reading/writing the 14th bit (in hexadecimal) of the first 64 KB of RAM
2-4-4	An error was detected while reading/writing the 15th bit (in hexadecimal) of the first 64 KB of RAM
3-1-1	Error initializing the second DMA channel.
3-1-2 or 3-1-4	Error initializing the first DMA channel.
3-2-4
3-3-4	Error initializing video memory.
3-4-1	Serious problems occurred when trying to access the monitor.
3-4-2	The video card BIOS cannot be initialized.
4-2-1	Error initializing the system timer.
4-2-2	Testing is complete.
4-2-3	Keyboard controller initialization error.
4-2-4	Critical error when the CPU enters protected mode.
4-3-1	Error initializing RAM.
4-3-2	Error initializing the first timer.
4-3-3	Error initializing the second timer.
4-4-1	Error initializing one of the serial ports.
4-4-2	Parallel port initialization error.
4-4-3	Error initializing math coprocessor.
Long, continuous beeps	The motherboard is faulty.
Siren sound from high to low frequency	The video card is faulty, check the electrolytic capacitors for leaks or replace everything with new ones that are known to be good.
Continuous signal	The CPU cooler is not connected (defective).

Compaq BIOS

DELL BIOS

AST BIOS

Sequence of beeps	Decoding BIOS signals
1 short	Error when checking processor registers. Processor failure
2 short	Keyboard controller buffer error. Keyboard controller malfunction.
3 short	Keyboard controller reset error. There is a problem with the keyboard controller or system board.
4 short	Keyboard communication error.
5 short	Keyboard error.
6 short	System board error.
9 short	BIOS ROM checksum mismatch. The BIOS ROM chip is faulty.
10 short	System timer error. The system timer chip is faulty.
11 short	Chipset error.
12 short	Power management register error in non-volatile memory.
1 long	DMA controller error 0. The channel 0 DMA controller chip is faulty.
1 long, 1 short	DMA controller error 1. The channel 1 DMA controller chip is faulty.
1 long, 2 short	Frame retrace suppression error. The video adapter may be faulty.
1 long, 3 short	Error in video memory. The memory of the video adapter is faulty.
1 long, 4 short	Video adapter error. The video adapter is faulty.
1 long, 5 short	Memory error 64K.
1 long, 6 short	Failed to load interrupt vectors. BIOS could not load interrupt vectors into memory
1 long, 7 short	Failed to initialize video hardware.
1 long, 8 short	Video memory error.

IBM BIOS

Sequence of beeps	Decoding BIOS signals
1 short	Successful POST
1 beep and blank screen	Video system is faulty
2 short	Monitor not connected
3 long	Motherboard faulty (keyboard controller error)
1 long, 1 short	Motherboard is faulty
1 long, 2 short	Video system faulty (Mono/CGA)
1 long, 3 short	Video system (EGA/VGA) is faulty
Repeating short	Malfunctions related to the power supply or motherboard
Continuous	Problems with the power supply or motherboard
Absent	The power supply, motherboard, or speaker is faulty

Owners of computers or laptops know that sometimes a technical device may refuse to enter the operating system, producing an incomprehensible squeak. The sound may be different, as well as the reasons that cause it. The problems may be a malfunction of some part, a software glitch, etc. Let's try to look at why the laptop beeps when turned on and what can be done in this case.

If the laptop makes any sounds when turned on, this indicates that everything is not so bad. After all, the situation when the computer does not show any signs at all is much worse. A squeaking sound indicates that the motherboard is working, and problems are associated with the failure of some other part, which will be much easier to replace.

If an Acer laptop beeps when turned on, just like a laptop of any other model, then, in other words, the BIOS tells you which device is having problems. This can make diagnosing a laptop much easier, no matter who is doing the repair, a novice or an expert in repairing equipment.

Different BIOS produce different beeping sounds. You can find out which BIOS is on your laptop if you are careful when turning it on. Usually its type is indicated here, although not always. As a last resort, you can get to the version you need. If you have determined that you have an AWARD BIOS, then the signals emitted when there is a problem may be as follows.

• A short beep indicates that the system did not detect any errors. After this, the normal booting of the laptop should continue.
• One short signal, but after that a blank screen may indicate a failure of the video system.
• Two short beeps indicate that problems have been detected, but they are not too serious. For example, contacts have become disconnected somewhere, settings have gone wrong, etc.
• A keyboard error is indicated by three long beeps.
• One long beep alternating with two short ones indicates problems with the video card. In this case, you can try to take it out and clean it, and then try to turn on the laptop again or try using programs. Important! All manipulations with the computer are carried out only after disconnecting it from all types of power and removing the battery.
• If an error is made while reading the ROM, one long and nine short beeps will sound.

In AMI Bios, some signals may be similar to those we described above. For example, one short beep here, as in other types of BIOS, indicates that the download was completed successfully.

If the laptop beeps when turned on due to the keyboard, six short beeps will sound. Another thing is seven beeps, the meaning of which is that the problems lie in the motherboard.

The absence of a video card will be indicated by one long and four short beeps. In addition, this malfunction can be indicated by technology as one long and two or three short squeaks. A continuous beep may indicate that the laptop is overheating. If a blank screen appears at the same time as sound, the processor may have failed. Problems with this part are also indicated by five short beeps.

If you succeed and identify the problem, you can try to fix it yourself. Some problems are quite easy to solve and even an inexperienced user can figure them out, others are more complex and may require professional help. In any case, if you are not sure that you can handle it yourself and fix the laptop, then you should not try. After all, due to inexperience, you can cause quite serious damage to equipment, as a result of which considerable financial investments will be needed to revive it.

Is your laptop beeping? Well, who among us, at least once in our lives, has not had to jump away from our home or work laptop because of a sharp, loud and terribly unpleasant sound that it suddenly begins to emit, seemingly completely unmotivated.

The average user begins to get nervous and frantically tries to figure out what to do and what not to do. He reflexively rushes to restart the laptop with the hope that after rebooting the system this nasty squeak will stop by itself, and he sighs with relief when the laptop starts up normally.

However, not everyone is always so lucky. It often happens that the laptop beeps after the first reboot, and after the second, and after all the others, and even after completely disconnecting from the network and disconnecting the battery. And that’s when the user starts to get really nervous. Some call more advanced friends and acquaintances, some rush to the service center, and some, after thinking a little, simply order a call from a computer repair specialist at home.

In fact, situations where a laptop beeps occur quite often. Moreover, laptops of all brands and, so to speak, of any degree of sophistication squeak. And the reasons for the sound signal being triggered are also very different. However, if you don’t go into too much technical detail, then the entire range of these reasons can be divided into two halves:

#1 - beeps from the start - we look at both software and hardware (components for laptops)

We haven’t pressed anything yet except the power button, but we immediately hear a piercing beep. The reason for this behavior of the device may be an error, malfunction or malfunction of the following components:

• motherboard;
• random access memory;
• built-in memory card slot;
• CMOS batteries;
• video card or graphics adapter;
• central processor;
• display.

Accordingly, it will not be possible to correctly diagnose the problem and correctly eliminate it without professional knowledge and skills, and besides, attempts at “self-medication” can result in completely unexpected costs of time and money and/or the final failure of the laptop.

But a qualified specialist can not only quickly determine the cause of the malfunction, but also, if necessary, even replace the damaged part. Here - pfn.com.ua- this is very clearly explained, with a detailed explanation of what components can be changed in modern and not so modern laptops, how much it costs and why it is profitable.

#2 - when the laptop beeps, plus the spacebar does not work

This also happens. The button is stuck. As a rule, this occurs due to dirt, dust and other unnecessary substances accumulated on the keyboard, or due to wear or damage to the buttons themselves. The problem can be eliminated at home using cotton swabs and cleaning composition. But if the laptop beeps even after carefully refining the keyboard, then look item #1 and draw conclusions.