|
1 short beep |
Normal POST - system is ok |
|
2 short beeps |
POST Error - error code
shown on screen |
|
No beep |
Power supply or system board
problem |
|
Continuous beep |
Power supply, system board,
or keyboard problem |
|
Repeating short beeps |
Power supply or system board
problem |
|
1 long, 1 short beep |
System board problem |
|
1 long, 2 short beeps |
Display adapter problem (MDA,
CGA) |
|
1 long, 3 short beeps |
Enhanced Graphics Adapter (EGA) |
|
3 long beeps |
3270 keyboard card |
|
