PC Support Guide:  Various Information >

Beep Codes

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Typically BIOS beep codes are pretty simple to figure out. Use the charts below to learn what your computer is trying to tell you when it seems to be beeping uncontrollably.

 

 

IBM BIOS BEEP CHART:

BEEPS

ERROR DESCRIPTION

1 Short

Completely normal, no errors detected.

2 Short

Initialization Error, DMA, ROM, Floppy, Serial or Parallel

1 Long, 1 Short

Motherboard malfunction

1 Long, 2 Short

Video card malfunction or problem with video RAM

1 Long, 3 Short

Video card malfunction

No Beeping

Bad power supply or system board (or no PC speaker hooked up)

Continuous Beeping

Bad power supply, processor, or system board

Repeating Short

Bad power supply, processor, or system board

 

 

AMERICAN MEGATRENDS (AMI) BEEP CHART

BEEPS

ERROR DESCRIPTION

1 Beep

Memory timing error

2 Beeps

Mismatched memory parity

3 Beeps

Memory malfunction

4 Beeps

Motherboard malfunction

5 Beeps

Bad CPU

6 Beeps

Keyboard controller error

7 Beeps

General exception error

8 Beeps

Video memory error

9 Beeps

Bad ROM checksum

10 Beeps

CMOS error

11 Beeps

Bad cache RAM

 

 

AWARD BIOS BEEP CHART

BEEPS

ERROR DESCRIPTION

1 Long

Memory malfunction

1 Long 2 Short

Video malfunction

1 Long 3 Short

Video/motherboard malfunction

Continuous Beeping

Memory or video malfunction

Other Beeps

Bad system RAM

 


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