Today we will talk about the situation when the computer, when turned on, emits 1 long, possibly repeating signal after some time, and does not display anything on the screen.

In this situation, there are clearly problems with the equipment. Depending on the motherboard model and BIOS manufacturer 1 long beep can mean various problems.

Phoenix BIOS thus notifies the user about a fan failure in the CPU cooler. IN Award BIOS such a combination indicates problems with the power supply. And for Compaq BIOS this means a violation of the correct functioning of RAM.

The IBM BIOS notifies you of video system problems with one long beep. In some cases, the user can fix such a breakdown on his own. You just need to check how correctly the video card is positioned in the motherboard slot. Perhaps the device needs to be adjusted a little, and the annoying signal will disappear.

AST BIOS in this case indicates a breakdown of the microcontroller. More precisely, the signal indicates an error detected when checking the first DMA channel. Often, to correct this situation, the user has to change the entire motherboard.

Remedies

So, the first thing to do to solve this problem is to try to remove and install the RAM, after wiping its contacts with an eraser. Ideally, take another known working memory and insert it in place of your own.

One of possible reasons given sequence of signals - RAM

If after this the problem does not go away, check whether the processor fan is connected to the motherboard properly and whether it is jammed. To do this, try scrolling it with your finger. The computer must be de-energized.

Checking that the CPU cooler is connected correctly

The next step in eliminating one long BIOS signal is to install a known working power supply, which you can temporarily borrow from friends or acquaintances.

The power supply is one of the possible reasons for 1 long BIOS signal

The last step in trying to eliminate the long BIOS signal during boot is to try to remove/install the video card by wiping the contacts with an eraser.

Installing/removing a video card to solve the problem of one short and two long BIOS signals when turning on the computer

If after all the described steps you are unable to start your computer, then most likely you will have to replace the entire motherboard.

Hearing a BIOS signal (1 long beep), the user usually becomes wary. After all, as you know, in most BIOSes the message about the successful completion of hardware testing sounds somewhat different, although it is similar - one signal, but a short one. Is there any cause for concern in this case? Practice shows that in most cases - Yes.

First of all, it is worth defining the concept of “long signal”. In many cases, one continuous sound can be considered long. If you hear a similar sound and you have an Award BIOS installed, then this means that the power supply is faulty. In the case of Phoenix BIOS in similar situation There is a malfunction of the CPU cooler fan. In the Compaq BIOS, this type of sound indicates a problem with the RAM.

However, most often the user may encounter a slightly different situation, when there is only a long but time-limited signal. This type of signal is used by many BIOS manufacturers to encode error messages.

However, one long BIOS beep is a sound that is often used for more than just signaling errors. For example, you can find BIOS versions from the well-known manufacturer American Megatrends, in which the BIOS signal 1 long beep is used to notify that tests have completed normally, instead of the usually used short beep. A similar approach is also used in the Mylex 386 BIOS. This factor should also be kept in mind, especially if you are dealing with a certain computer for the first time.

In AST BIOS, one long squeak has a completely different meaning, namely, an error detected when testing the first channel of the DMA controller. Typically, this situation means the microcontroller is faulty, which may result in the need to replace the entire motherboard.

In IBM BIOS, a similar BIOS signal, one long beep, also has its own meaning - this is a malfunction of the video system. You can try to fix this problematic situation yourself by checking that the video card is securely installed in the motherboard expansion slot.

Every time the computer boots, system unit makes a squeak. Not everyone knows that this is a signal indicating the performance of the system unit. And only a few know how to decipher these signals from the system unit.

That's what we'll talk about. If you are reading this material, I recommend printing it out now. When you need decryption, you won’t be able to get online. :)

So what is the “system specialist” squeaking about? These signals are the result of testing the computer hardware (cooler, RAM, video card, etc.). Every time you boot your computer, it tests the hardware and reports the results with this particular squeak. The transcript of the system unit squeaks is below.

* One short squeak.
Explanation:
Everything is fine. The test was completed successfully. You can continue to work. It happens that some system units do not beep at all at this moment.
* There is not a squeak or image on the computer screen.
Explanation:
Malfunction in the power supply or processor.
Correction:
First, check to see if the power cord is plugged into the outlet. If everything is in order, try connecting a known working device to the surge protector (such a cord with a box in which there are many sockets, there is also a switch button, usually red). A phone charger will do, of course, with a phone connected to it. You need to check all the surge protector sockets. If the socket is working, the phone will charge. Next, we check whether the power supply starts when you press the computer start button. In this case, the cooler (fan) of the power supply should at least twitch. If there is movement - look for a new processor, otherwise - new block nutrition. You also need to check the power cable of the motherboard. It may happen that he moved away.
* One long continuous squeak.
Explanation:
The power supply is faulty.
Correction:
Purchasing a new power supply.
* Two short squeaks.
Explanation:
Minor problems with BIOS settings.
Correction:
Go to the BIOS and set the optimal parameters. Exiting to the BIOS is usually done using the key. If you don't know what to change, then set the default values. To do this, press the button. To exit with saving - , . Some BIOS versions themselves highlight conflicting settings items by highlighting them. You can also reset the BIOS settings by removing the motherboard battery for a few seconds.
* Three long squeaks.
Explanation:
The keyboard is missing.
Correction:
Plug the keyboard into the PS/2 socket. If this does not help, you will have to change the keyboard.
* Three short squeaks.
Explanation:
RAM error.
Correction:
To do this, you need to check whether there are memory sticks on the motherboard. Don't laugh, it happens. Then you need to remove all the memory sticks, carefully sweep away the accumulated dust, and one by one stick the memory stick in and start the system unit. If the “system unit” beeps on some strip, this may mean that the strip is faulty.
* One long and one short squeak.
Explanation:
RAM is not working properly.
Correction:
Perhaps one or more memory sticks are conflicting with each other. You need to insert one memory stick at a time and try to start the computer.
* One long and two short squeaks.
Explanation:
The video adapter is not working properly.
Correction:
Correct settings in BIOS.
* One long and three short squeaks.
Explanation:
The video adapter does not work.
Correction:
Check the performance of the video card. To do this, you need another, known working video card. You can also try removing the card, removing dust from the slot, and sticking the card back in place. And don’t forget to check if the card has additional plugs for power. Power to such video cards must be supplied with a separate cord to which no device is connected. I also suggest checking whether the monitor is connected and working. Try to blow out the connector connecting the monitor to the computer.
* One long and eight short squeaks.
Explanation:
The video adapter is not working or the monitor is not connected.
Correction:
Same as written above.
* One long and nine short squeaks.
Explanation:
Error reading BIOS data.
Correction:
Try resetting the BIOS settings by removing the battery. If this does not help, then flash the BIOS. But this is another story, requiring a separate article. I'll try to write it soon.
* Four short squeaks.
Explanation:
The system timer does not work.
Correction:
You can try resetting the BIOS. But, unfortunately, it rarely helps. There is only one way out - replace or repair the motherboard.
* Five short squeaks.
Explanation:
The processor is not working properly.
Correction:
Try to clean the dust from the processor slot, make sure the heatsink is clean and low temperature processor.
* Six short squeaks.
Explanation:
The keyboard is faulty.
* Seven short squeaks.
Explanation:
Motherboard malfunctions.
Correction:
Have the motherboard repaired or purchase a new one.
* Eight short squeaks.
Explanation:
Problems with video memory.
Correction:
Take the video adapter for repair, or purchase a new one.
* Nine short squeaks.
Explanation:
Incorrect BIOS checksum.
Correction:
Usually it is suggested to reset the BIOS settings and allows you to continue working. If something happens, you can reset the BIOS by removing the battery.
* Ten short squeaks.
Explanation:
Error writing data to CMOS chip.
Correction:
This error may occur when flashing the BIOS. Therefore, we will describe this part in another article.
* Eleven short squeaks.
Explanation:
The cache memory is not working properly.
Correction:
Reset BIOS. If this does not help, we take the computer in for repair or install a new processor.
* Repeated long squeaks.
Explanation:
The RAM is faulty or incorrectly connected.
Correction:
Reconnecting memory sticks. Calculating the faulty one by connecting one by one and starting the computer. Cleaning from dust.
* Repeated short squeaks.
Explanation:
The power supply is not working properly.
Correction:
Checking the functionality of the power supply, checking the cords for breaks, checking the surge protector, and, last but not least, replacing the power supply.

That's all. If you have any questions, ask.

PS: To reset the BIOS, instead of removing the battery, you can use a special jumper. Its location can be found in the documentation for the motherboard.

Addition: BIOS signal encodings if the computer died.
AWARD BIOS Signals

Continuous signal. The power supply is faulty.

2 short. Minor errors found.
3 long. Keyboard controller error.
1 long + 1 short. Problems with RAM.
1 long + 2 short. Problem with the video card.
1 long + 3 short. An error occurred while initializing the keyboard.
1 long + 9 short. An error occurred while reading data from the read-only memory chip.
1 long repeating. Memory modules are installed incorrectly.
1 short repeating. Problems with the power supply.

AMI BIOS signals
There are no signals. The power supply is faulty or not connected to the motherboard.
1 short. No errors found.
2 short. RAM parity error.
3 short. An error occurred during the operation of the first 64 KB of main memory.
4 short. The system timer is faulty.
5 short. Defective CPU.
6 short. The keyboard controller is faulty.
7 short. The motherboard is faulty.
8 short. Video memory is faulty.
9 short. BIOS chip contents checksum error.
10 short. Cannot write to CMOS memory.
11 short. The external cache memory (installed in the slots on the motherboard) is faulty.
1 long + 2 short. The video card is faulty.
1 long + 3 short. The video card is faulty.
1 long + 8 short. Problems with the video card or the monitor is not connected.

PHOENIX BIOS signals
1-1-3. CMOS data write/read error.
1-1-4. BIOS chip contents checksum error.
1-2-1. The motherboard is faulty.
1-2-2. DMA controller initialization error.
1-2-3. Error when trying to read/write to one of the DMA channels.
1-3-1. RAM regeneration error.
1-3-3. Error when testing the first 64 KB of RAM.
1-3-4. Error when testing the first 64 KB of RAM.
1-4-1. The motherboard is faulty.
1-4-2. RAM testing error.
1-4-3. System timer error.
1-4-4. Error accessing I/O port.
3-1-1. Error initializing the second DMA channel.
3-1-2. Error initializing the first DMA channel.
3-1-4. The motherboard is faulty.
3-2-4. Keyboard controller error.
3-3-4. Video memory testing error.
4-2-1. System timer error.
4-2-3. Line error A20. The keyboard controller is faulty.
4-2-4. Error when working in protected mode. The CPU may be faulty.
4-3-1. Error when testing RAM.
4-3-4. Real time clock error.
4-4-1. Serial port test failed. The error may be caused by a device using this port.
4-4-2. Error while testing parallel port. The error may be caused by a device using this port.
4-4-3. Error when testing the math coprocessor.

Greetings to all readers of the IT Country website. In this article I want to tell you about BIOS sound signals. If your computer has a built-in speaker, you will hear a single beep when you restart or turn on the computer. It tells us that the computer components are working properly and the POST system did not reveal any problems. But it often happens that if with , then it starts making BIOS sounds.

Many users do not know what they mean and take the computer to the workshop. We will try to figure out on our own what the BIOS is beeping about and identify the cause of the malfunction. Since different motherboards have different basic input/output systems, first you need to determine which motherboard is on your computer. But everything is in order.

As I said above, sound BIOS signals we need to find out which computer component is faulty. As a rule, if it works properly, then when turned on we hear one short signal. Such signals are produced by a special speaker connected to the computer motherboard.

Note! Your computer may not make any beeps if there is no speaker physically connected to the motherboard. The absence of a speaker on many boards is most likely because the manufacturer is trying to make the production of their product as cheap as possible.

Many of you have probably already asked the question: “What are the risks for me of using a computer without a speaker?” It would seem like such a small thing that is not needed at all if the computer is working, but many people start thinking about it when the computer breaks down. In this case, if a speaker is connected, the computer will emit a special beep or series of beeps in a specific sequence. To decipher such signals, you can refer to the motherboard manual. But as a rule, this book either does not exist, or nothing in it is clear to many of us. Therefore, below we will look at how to decipher BIOS sound signals. But first you need to determine its manufacturer.

To decipher BIOS beeps, you need to know the manufacturer. Since different motherboards had different basic input/output systems installed. You can find out this information different ways. For example, when you turn on your computer, you see a black screen with data about your hard drives. On this screen, as a rule, the BIOS version and manufacturer are indicated at the top.

If the necessary information is quickly replaced by another, and you do not have time to see everything, then you need to press the “Pause” key. If, when you turn on your computer, you see a screensaver from the motherboard manufacturer, you need to press the “Tab” key to remove it.

The next way to find out the version of the basic input/output system is to log into it. To do this, when you turn on the computer, press the “Del”, “F1”, “F2” or other key. Depending on the . After that, find the System Information section and look at the BIOS version and manufacturer.

Another way, which is quite simple, to find out the BIOS version and manufacturer is to look using the “System Information” utility. To do this, press the hotkey combination “Windows + R”, and in the “Run” command window that opens, type “MSINFO32”. A window with system information will open, in which we look at the line “BIOS version”

Finally, we will find out the version of the basic input/output system through the “CPU-Z” program.

We have already used it more than once in previous articles. Therefore, we launch the program, go to the board tab and look at the BIOS information.

Decoding BIOS signals.

Once we were able to determine the BIOS manufacturer. You and I need to move on to deciphering the signals.

AMI BIOS (American Megatrends Inc.) is probably the most famous manufacturer of BIOS for motherboards. If during the self-test, POST does not detect any problems, you will hear a single short beep. After that the download will start immediately operating system. If you hear other signals, then you should be wary, listen and decipher them.

Below is a table with a breakdown of AMI BIOS sound signals.

As a rule, if the computer starts beeping, sometimes a simple reboot or turning off the power to the system unit for a while helps. If this does not solve the problem, then at the end of the article I will tell you how to deal with the main malfunctions.

If you have a motherboard with this BIOS version, then it is characterized by special sounds. Which look like this. For example, the code 1-1-4 would sound like one pip, pause, another pip, pause again, and then four pips. This sound will indicate an incorrect BIOS ROM checksum. To decipher BIOS beeps on a motherboard with Phoenix BIOS, see the table below.

Another popular manufacturer of BIOS for motherboards. It is installed on many motherboards. Its display interface is classic and has not undergone any changes. global changes within 10 years.

The sound signals are somewhat similar to the AMI BIOS. Therefore, it will not be difficult for you to decipher them. The table is presented below.

The most common BIOS sounds and what they mean.

I propose to consider the most common sound signals that we can hear when there is a problem with a computer.

• A long, single BIOS sound when you turn on the computer most often indicates problems with RAM;
• One long and two short - if you hear such a signal, then there is a high probability that there are problems with the video adapter. To begin with, just pull it out and clean the contacts. For example, an eraser will do. Also clean your computer from dust if you haven’t done this for a long time;
• One long and three short signals - this signal configuration indicates problems with the video card, RAM or keyboard;
• Three short beeps often indicate problems with the RAM. To solve the problem yourself, remove the memory module from the connector and clean it. If there are several memory modules, try starting the computer first with one, then with two, and so on;
• Five short BIOS signals tell us that the central processor is faulty. If you hear these beeps after installing a new CPU, it may be mismatched. motherboard or you did something wrong. If the processor has not been changed, then perhaps it has failed or there is no contact in some place;
• Four long beeps - often tell us that the speed of the cooler cooling the processor is low;
• There are no signals, the computer does not turn on - most likely you have a problem with the power supply. Replace it with a good one.

Let's summarize.

Today we looked at BIOS sound signals. As a rule, if when you turn on your computer you hear a whole serenade from your computer instead of the usual single squeak, then you now know that you need to decipher the signals. In most cases, you can solve the problem yourself. Very often the problem is solved after cleaning the contacts of the computer components or by simply rebooting and de-energizing the system.

Greetings, friends! Today I will tell you about BIOS sound signals. You may have noticed that when you turn on your computer, it makes a beeping sound or, in other words, beeps. This actually beeps your computer's BIOS, thereby telling you whether everything is fine with your computer or if there is any problem. Let's try to understand this topic in as much detail as possible.

What do the BIOS beeps mean when you turn on your computer?

Whatever BIOS is installed on your motherboard, you should hear one short beep when you turn on your PC. This means that everything is working fine and after it will start Windows boot. However, sometimes the opposite is true. The BIOS beeps like crazy, and the computer either doesn’t turn on at all, or the startup ends on the very first black screen - the BIOS bootloader.

This is where today's knowledge will come in handy. Because by this beeping you can determine what exactly is out of order in your PC.

Well, have you already looked at what BIOS you have? Now you can look at the decoding of BIOS sound signals.

BIOS AMI beeps. Full transcript

Decoding sound signals BIOS AWARD

This is how the Phoenix BIOS beeps in a special way

BIOS Phoenix squeaks a little differently than its brothers. It is more melodic, so to speak in this context. Dotted sound signals from the Phoenix BIOS alternate with pauses between them. And absolutely all signals from that BIOS are always short.

BIOS does not beep when you turn on the PC

Quite often it happens that when you turn on the PC, the BIOS does not beep at all. Why? Depends on the specific situation. To be in the know, first you need to know what a speaker is and why it is needed.

What is a motherboard speaker?

Motherboard speaker is a miniature high-frequency speaker that warns the user about malfunctions in the operation of your computer even before it is turned on. In other words, a speaker is a means of displaying information about the state of the computer. Also, a speaker is a device that produces BIOS sound signals!

This is what the speaker looks like on the motherboard. It is he who helps emit BIOS signals!

Some reasons why your PC may not beep at startup

It often happens that manufacturers of budget computers (and not only budget ones) either forget to install a speaker on the motherboard, or deliberately save on this spare part. Accordingly, the BIOS does not beep, because there is simply nothing to beep. If you urgently need to diagnose a problem with your computer, you can simply borrow your friend's speaker for the day. Fortunately, pulling it out and inserting it will not be difficult for you.

Another reason why you may not hear BIOS beeps when you turn on your computer is that you accidentally touched it or pulled it, and it just became a little disconnected. In this case, insert it more tightly and everything will beep. By the way, there are also motherboards in which the speaker is not disconnected at all.

The BIOS does not beep on laptops, because they do not install a speaker on them for aesthetic reasons. Imagine if every time you turned on your laptop, it gave you a characteristic, high-frequency signal. It's annoying.

Especially if your wife has already fallen asleep, and you decide to play tanks in secret, you turn on the laptop, and here you are wearing BIIIIIIIP!!! Your wife immediately woke up and hit you with a star. In general, the speaker is not so relevant on a laptop.

Although some laptops can produce similar audio signals through external speakers and even headphones. Everyone who encounters this is trying to get rid of this squeak (pipiska) as soon as possible by any means.

Where and how to connect the speaker on the motherboard?

This will be useful for you to know if you decide to borrow the missing speaker from a friend or buy it. When you removed the speaker from a friend’s motherboard, you should have noticed that the place where it is connected is marked with characteristic inscriptions, most often it appears there Speaker or spk or spkr. The polarity of the speaker does not matter, so you can connect the speaker without error.

Several examples of motherboards with designated places for connecting a speaker.

Let's summarize

The article turned out to be quite lengthy, but I hope it helped you understand today’s topic. At a minimum, you can now connect the speaker to the motherboard and know why it is needed. We also looked at the decoding of sound signals for the main and most popular BIOS versions. If your BIOS version differs from those considered, then simply specify your request in a search engine, for example “ decoding BIOS sound signals IBM/DELL».

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