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No picture and desktop makes beeping sound

When turning on computer the cpu makes a continous beeping sound. In addition, the monitor is not receiving any signal. Checked and rechecked all connections but to no avail.

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Base on the post codes this continuous beeping indicates a power problem. Atypically this is a power supply problem and it will need to be replaced.

Posted on Oct 06, 2009

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2 Answers

Continous beep sound from the mother board


make sure your cpu fan is runing and the psu fan is running if they are then it maybe your computer ram

Feb 28, 2013 | Dell OptiPlex 760 MT Desktop Computer

1 Answer

I need help, my computer has a black screen and an alarm sound starts after I turn it on. What do I do?


  • INSTRUCTIONS:-
  • 1

    Refer to your motherboard manual, since the motherboard is the beeping device. These beeps are like Morse code, and each "beep code" is explained in the manual. Common beep codes include not having a monitor or keyboard properly connected; not having a CPU fan connected, or not attaching internal power cables to the video card. This black-screen-and-beeping issue is most common with newly-assembled computers.

  • 2

    Check external cables to make sure they're properly connected. The most important external connections to check are the monitor's signal cable and the keyboard. If your monitor cable looks damaged or kinked, try replacing it with a spare. If your keyboard's cable looks frayed, try a spare keyboard.

    Also, a PS/2 keyboard plug (round, with holes in it, about the diameter of a finger) is often color-coded purple. If you have plugged it into the green port in the back of the computer (for PS/2 mice) switch it to the other one. If there is no color coding, the proper port should have a small, embossed icon of a keyboard on the back of the computer. If it does not, refer to your motherboard manual for the correct port. If all else fails, try a spare keyboard, preferably USB (Universal Serial Bus), which can be plugged into any USB port on the back of the computer.

  • 3

  • Check for additional motherboard power connections. Yours may require multiple cables attached from the power supply. There is the standard wide plug, which you know is connected properly because your motherboard is beeping. However, there may also be an additional, four-pin cable that connects elsewhere on the motherboard. Check the board's manual to make sure it has all the power connections it needs.

  • 4

    Check your internal cables. Make sure that the CPU fan is plugged into the motherboard header nearby. Without that, the CPU fan will not spin, and the motherboard may detect this lack of connection and produce a beep code. Your video card also may have one or two internal power plugs that need to be attached to the power supply's cables. These cables have unique ends on them, similar in shape to a USB plug. Refer to the case or video card documentation if need be. If those cables are not attached, your motherboard may refuse to boot the system.

    Your video card may be faulty. If this is a new card, it may have arrived to you broken, in which case you will probably need to request an RMA (Return to Manufacturer Authorization) to receive a replacement. If this card was previously working for you in this system, you can contact its manufacturer yourself to receive a replacement, if the device is still under



  • Jul 21, 2012 | Systemax Venture Computers & Internet

    1 Answer

    Computer has alarm sound when turned on and screen is black


  • INSTRUCTIONS :-
  • 1

    Refer to your motherboard manual, since the motherboard is the beeping device. These beeps are like Morse code, and each "beep code" is explained in the manual. Common beep codes include not having a monitor or keyboard properly connected; not having a CPU fan connected, or not attaching internal power cables to the video card. This black-screen-and-beeping issue is most common with newly-assembled computers.

  • 2

    Check external cables to make sure they're properly connected. The most important external connections to check are the monitor's signal cable and the keyboard. If your monitor cable looks damaged or kinked, try replacing it with a spare. If your keyboard's cable looks frayed, try a spare keyboard.

    Also, a PS/2 keyboard plug (round, with holes in it, about the diameter of a finger) is often color-coded purple. If you have plugged it into the green port in the back of the computer (for PS/2 mice) switch it to the other one. If there is no color coding, the proper port should have a small, embossed icon of a keyboard on the back of the computer. If it does not, refer to your motherboard manual for the correct port. If all else fails, try a spare keyboard, preferably USB (Universal Serial Bus), which can be plugged into any USB port on the back of the computer.

    • 3

      Check for additional motherboard power connections. Yours may require multiple cables attached from the power supply. There is the standard wide plug, which you know is connected properly because your motherboard is beeping. However, there may also be an additional, four-pin cable that connects elsewhere on the motherboard. Check the board's manual to make sure it has all the power connections it needs.

    • 4

      Check your internal cables. Make sure that the CPU fan is plugged into the motherboard header nearby. Without that, the CPU fan will not spin, and the motherboard may detect this lack of connection and produce a beep code. Your video card also may have one or two internal power plugs that need to be attached to the power supply's cables. These cables have unique ends on them, similar in shape to a USB plug. Refer to the case or video card documentation if need be. If those cables are not attached, your motherboard may refuse to boot the system.

      Your video card may be faulty. If this is a new card, it may have arrived to you broken, in which case you will probably need to request an RMA (Return to Manufacturer Authorization) to receive a replacement. If this card was previously working for you in this system, you can contact its manufacturer yourself to receive a replacement, if the device is still under

    • Jul 21, 2012 | Systemax Venture Computers & Internet

      1 Answer

      Beeping when turning on and monitor not working


      Open the back cover of cpu cabinet.Then you can see motherboard reconnect RAM memory pci card or vga card if any.Make sure motherboard is not ground with cabinet cover.Then check if still same then try with another RAM memory then it should be work clean dust from all parts inside cpu also reconnect all connection to motherboard reconnect both connection to cd dvd rom and harddrive.Let me know if you need further assistance.Thanks for using FixYa.

      Nov 20, 2011 | Dell OptiPlex GX280 PC Desktop

      1 Answer

      When turning on my computer its make a continous load beep and my monitor doesn't come up why?


      sounds like to me the video card is bad is it a external card or onboard video card eather or doesnt matter you can go to walmart and pick up a video card and put it in it is simple to do

      Jan 12, 2011 | HP rp5000 PC Desktop

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      PC will not start


      This sounds like a memory error, can you define the beeps. There is a thing called a "beep code" on all motherboards, the website for the motherboard defines what the beeps mean. For example: one long beep followed by two short beeps of continous spaced beeps without a break. chris http://www.motherboardsrus.net

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      Check whether all connection are good and take out any CDs in the tray. I guess this must be a SMPS problem.

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      I turned on my computer and the monitor displayed this message on the screen "going to sleep no input received". I checked the power cord and unplugged it, nothing. No lights are flashing or beeping sounds. The CPU is working just fine, anyone have any idea what to do

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      No Video Output - HP 6635 Desktop minitower - CPU Intel CELEROM 533Mhz


      if you have changed the monitor and the same no signal have you noticed a beep sound? or can you see the green and red light in front of cpu? if both of this doesn't light it's power supply and if there are led lights (green&red) lighting but there is a continous beep sound the problem is the on board video card. if a sound short beep, beep the problem is your memory card.

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      Monitor did not responding


      When you first power on a computer it checks itself out for proper operation even before you see anything on the screen. This process is called Power On Self Test, as no video is yet displayed and moreover there may even be a video problem the computer sends out beeps over its internal speaker to indicate its status. Usually you will just hear one beep then the computer will "come to life", if however there are any problems you hear a series of beeps. For a description of these beeps and what they mean please click here. Hope this helps !!

      http://www.customautomaticsystems.com/ShowArticle.aspx?ID=54

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