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Table Of Contents  CertiGuide to A+ (Core Hardware)
 9  Chapter 1100:  Troubleshooting

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XI  Tools of the Trade
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XIII  Networking Challenges
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XII  Beep, Beep

Maybe you remember that cartoon character, Road Runner, letting Wiley E. Coyote lose again, with a "Beep-Beep", and taking off.

If during the POST the computer finds an issue, it tells you with a Beep-Beep.

POST

POST is performed when a computer is first powered on. It cannot help you after a computer has successfully booted. Some troubleshooting issues may be caused by environmental factors such as 'dirty' power or excessive temperatures.


[spacer]A Beep by any other BIOS

Not all BIOS manufactures use the same beep codes. Use a book like Bigelow's PC Technician's Troubleshooting Pocket Reference, to determine the beep code for particular BIOS.


BIOS Corruption

A continuous short beep is a good indicator that the BIOS is corrupt.


There are many different BIOS manufacturers, both great and small. American Megatrends Incorporated (AMI) is one of the most popular BIOS manufacturers in use today.

AMI Beep Codes

CompTIA tests tend to focus on the "real world". If you were going to commit to memory beep codes, AMI would be a good choice.


In particular there are two different beep codes that would be good for you to keep in memory, to save time.

Common Beep Codes

RAM Failure:
AMI uses 1 long and 3 short beeps to indicate a RAM failure. (Typically in the first 64K).

Video Error: AMI uses 1 long and 8 short beeps to indicate a Video Display error. (System may still boot).



Previous Topic/Section
XI  Tools of the Trade
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XIII  Networking Challenges
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