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#1 onelarry

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Posted 24 September 2011 - 11:06 AM

When booted to desktop computer beeps once. Otherwise seems okay. Is this a sign of bad memory or what?

Edited by Andrew, 24 September 2011 - 11:57 AM.
Mod Edit: Moved From Introductions to Hardware - AA


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#2 Andrew

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Posted 24 September 2011 - 11:56 AM

A single short beep when you start the computer is the "OK" signal. It indicates that all Power-On Self Test actions completed successfully. Anything other than a single short beep indicates a problem and the type of beeping can be used to determine the general cause.

Generally beep codes follow this standard (though they may vary widely from manufacturer to manufacturer):
Beep Code:                      What it means:

No Beeps       	                No Power, Loose Card, or Short.

1 Short Beep                    Normal POST, computer is ok.

2 Short Beep	                POST error, review screen for error code.

Continuous Beep	                No Power, Loose Card, or Short.

Repeating Short Beep            No Power, Loose Card, or Short.

One Long and one Short Beep	Motherboard issue.

One Long and Two Short Beeps    Video (Mono/CGA Display Circuitry) issue.

One Long and Three Short Beeps. Video (EGA) Display Circuitry.

Three Long Beeps        	Keyboard / Keyboard card error.





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