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Computer when turned on will not boot and makes a long beep continuously and then makes like a siren sound

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  • Rik Evans May 11, 2010

    Could be that it can see no memory. Alarms can vary by manufacturer, please post details of the actual machine doing it. In the meantime, try removing the memory and reseating a single chip in it (or try alternate matching memory if you have any to hand).

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The long beeps probably mean a problem with RAM. So try replacing it. Check whether the CPU Cooler (the fan on top of the processor) is working. If the fan is not working, the processor gets hot, and a siren sound is emitted. Also check whether power unit fan (at the back) is working. If RAMs are replaced and you still get the beeps, the problem may be with the VGA. (The beep sounds help to identify the problem, but the sounds differ with different BIOS models).

Posted on Jul 30, 2009

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Power supply, system board, or keyboard problem more than likely psu problem

Posted on Jul 30, 2009

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Hp laptop hp 430


Maybe the cpu fan is fubar - check that out.

Mar 18, 2017 | Computers & Internet

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H57h-am2 beep never stop


A computer will alert you to trouble through beeps and other sounds. If you have a problem with the operating system, the computer gives you different beeps when you start up the computer. You hear the beeps in different scenarios, such as three long beeps or one long and one short beep. These beeps can mean different things depending on what computer model you have. A siren sound on a computer means the central processing unit is overheating. This is true for any computer. When the CPU gets hot, it makes a siren sound warning you that your computer is overheating. At that point, the computer should be turned off to prevent damage.
Open the computer and clean it if you notice a lot of dust inside. You can purchase canned air at most stores. Follow the instructions on the can. Check the instructions in the manual that came with your computer on how to clean the inside of it. If there is a lot of dust, that alone can cause the heat sink to overheat. Verify the CPU heat sink is properly installed and the power is connected. Consult the manufacturer's instructions on how to open your computer and find the heat sink. It should give you instructions on how to check that it is properly installed and connected. You should find it in the middle of the motherboard. Make sure the fan is working. Your CPU will overheat if the fan is not working properly. Refer to the manufacturer's instructions for your computer for instructions to check the fan. Replace it if it is malfunctioning.
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules make sure that your RAM modules and Cmos battery are securely seated on some motherboards Cmos batteries are soldered in Test all power and data leads that attach from motherboard to your hard drive IDE SATA make sure they have a secure dust free connections and are not faulty or just replace them they could be faulty if its a flat 40 pin ide it will be the first to fail check the graphics card is seated properly with no dust in the socket you might have to remove it to check for dust reinstall it restart your computer the found new hardware wizard should activate a computer needs power and data to travel through every working device and to its continue its cycle and to have and end to function make sure all leads that are attached to your drives dvd\cd and floppy drive have secure make sure the connections and are not faulty or just replace them they could be faulty a computer needs all electric current and computer data to travel to and through every working device and have an end to work properly so any faulty leads will end up with a computer error also check the keyboard for secure dust free connection ps2 and or usb Check you CPU central processing unit make sure its securely seated and has thermal paste it might be getting to hot the thermal paste will help disperse the heat Thermal compound is a sticky paste that is placed directly onto the CPU. http://www.hardwaresecrets.com/article/Thermal-Compound-Roundup-February-2012/1490 Allowing for a more direct heat transfer between the CPU and HEAT SINK and preventing air gaps from forming between the CPU and heat sink.

Mar 17, 2013 | HP Pavilion 7955 PC Desktop

1 Answer

Siren sounds on the computer?


A computer will alert you to trouble through beeps and other sounds.

If you have a problem with the operating system, the computer gives you different beeps when you start up the computer.


You hear the beeps in different scenarios, such as three long beeps or one long and one short beep.


These beeps can mean different things depending on what computer model you have.

A siren sound on a computer means the central processing unit is overheating.


This is true for any computer.

When the CPU gets hot, it makes a siren sound warning you that your computer is overheating.


At that point, the computer should be turned off to prevent damage.


Open the computer and clean it if you notice a lot of dust inside.

You can purchase canned air at most stores.


Follow the instructions on the can.

Check the instructions in the manual that came with your computer on how to clean the inside of it.


If there is a lot of dust, that alone can cause the heat sink to overheat.

Verify the CPU heat sink is properly installed and the power is connected.


Consult the manufacturer's instructions on how to open your computer and find the heat sink. It should give you instructions on how to check that it is properly installed and connected.


You should find it in the middle of the motherboard.


Make sure the fan is working.

Your CPU will overheat if the fan is not working properly.


Refer to the manufacturer's instructions for your computer for instructions to check the fan. Replace it if it is malfunctioning.


WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.

http://www.kitchentablecomputers.com/static.php - rules


make sure that your RAM modules and Cmos battery are securely seated

on some motherboards Cmos batteries are soldered in


Test all power and data leads that attach from motherboard to your hard drive IDE SATA

make sure they have a secure dust free connections and are not faulty or just replace them they could be faulty

if its a flat 40 pin ide it will be the first to fail


check the graphics card is seated properly with no dust in the socket you might have to remove it to check for dust reinstall it


restart your computer the found new hardware wizard should activate

a computer needs power and data to travel through every working device and to its continue its cycle and to have and end to function

make sure all leads that are attached to your drives dvd\cd and floppy drive have secure make sure the connections and are not faulty or just replace them they could be faulty

a computer needs all electric current and computer data to travel to and through every working device and have an end to work properly so any faulty leads will end up with a computer error

also check the keyboard for secure dust free connection ps2 and or usb


Check you CPU central processing unit make sure its securely seated and has thermal paste it might be getting to hot the thermal paste will help disperse the heat

Thermal compound is a sticky paste that is placed directly onto the CPU.

http://www.hardwaresecrets.com/article/Thermal-Compound-Roundup-February-2012/1490


Allowing for a more direct heat transfer between the CPU and HEAT SINK and preventing air gaps from forming between the CPU and heat sink.

Hope this helps.





Nov 22, 2012 | ASUS P5LD2-VM Motherboard

1 Answer

Continuos sound of siren in motherboard


Hi'' sirens used to determine errors on PC, sometimes continuous beeping you will hear, so please check socket wire properly and the Ram , i hope this can help''thanks for using FixYa.com.

Aug 22, 2012 | DFI PS35-BL A Motherboard

3 Answers

Beeps on startup but no video and continues to have long beeps with no video


Check the the cpu, ram and video card are seated properly. If they all are, then the board is defective and will need to be replaced.

Mar 05, 2011 | Abit NF8-V Motherboard

1 Answer

It makes few siren sounds, and then display "boot system failure"


Never heard of a HDD making siren sounds but if you mean a series of beeps from your PC then they are codes which indicate the problem.

See here for how to interpret them.

Sep 02, 2010 | Western Digital Caviar WD450AA 45 GB...

1 Answer

Computer does not boot, and makes a beeping sound


check your RAM...its the main reaon for the beeping sound...check your RAM in another computer...if the beeping sound continues means replace a new one....is this cleared your problem?

Jul 10, 2009 | Computers & Internet

1 Answer

Can't start up computer


The siren sound is a alert sound that your processor is overheated. please check the processor heat sync and fan installed properly?

Apr 18, 2009 | Abit KN9 Motherboard

2 Answers

Cannot boot the system.


When you put the RAM back into the computer did you return them to their original bank? Dual Channel DDR RAM is particular about being in shared bank with the other RAM module; that's why the color code the RAM Sockets in some motherboard designs so you don't them mixed up. Moreover, is the CPU fan spinning for the short time it is powered up?

Nov 27, 2008 | Intel D945GNT Motherboard

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