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1 long beep

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by dsiverson

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What does a series of 1 long beep mean when I turn on a computer. I plugged and unplugged the monitor.

13 replies

by sgt_shultz

you need to look up the beep codes on the motherboard website (Phoenix or AMD or whatever).
but try reseating the video card and your RAM modules...

by d_v ant

Generally, 1 beep means that the PC has completed POST succesfully. I agree with the Sarges recommendation to check with the manufacturers website to verify what the beep codes are.

by an_it_guy

Is the pc able to boot into the OS after the beep? Display adapter can be removed & reseated as said earlier & RAM modules too, but if problem persists, you can try changing RAM modules, or if there are more than one RAM module, you can try booting with each one separately.
Cheers.

by kwduke

1 long beep can be a few different things....

Are you having a problem with the machine...if not usually 1 long beep is to tell you that the machine POSTed ok..

However if you are having a problem .. then it could be that the monitor was not plugged in at the time of startup..

Or if that's not the case, and you are getting nothing on the monitor at all, then it could be that the memory is not seated all the way or has gone out..

Or lastly the video card is not seated or has gone out...

these are the most common causes of beep codes

by andymah

Try to swap out either the mouse, keyboard, or anything else with a ps/2 connection. (Check the pins too.)

Good luck.

by seanmcpherson

Check the memory. It isn't even booting up. One long beep is usually a serious error. Memory is pretty cheap, make sure it is properly installed and if so try another stick.

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