Error Beep Codes

Beep Codes for the PS/2 Line
"·" Short Beep 
"_" Long Beep 
 ·          Normal Operation 
 · ·        Problem occured, check configuration. Run diags if no error code on screen 
 _ ·       Display or adapter problem 
 _ · ·     Display or adapter problem 
 _ · · ·   Display or adapter 
 · · · · · · · ·  Continuous short beeps: Check keyboard 
 _______ Continuous solid beep: System Board 
 
Symptom/Error FRU/Action 
One long, one short beep. 

(Check display) (*)

1. Video Adapter (any type)
2. System Board 
3. Video Memory (if used)
4. Bus Adapter 
5. Power Supply
One long, two short beeps. 

(Check display) (*)

1. Video Adapter (any type)
2. Video Memory (if used) 
3. System Board 
4. Adapter Video Memory 
5. Bus Adapter 
6. ACPA /A Adapter 
7. Power Supply
One or two beeps and a blank or unreadable display, or a blinking cursor.

(Check display) (*)

1. Video Adapter (any type)
2. Video Memory (if used) 
3. System Board 
4. Adapter Video Memory 
5. Display (any type) 
6. Bus Adapter 
7. ACPA /A Adapter
Continuous beep.
1. System Board 
2. Power Supply
Continuous beep and a blank display. (Check display)
1. Display Adapter 
2. Video Memory (if used)
3. System Board
One long, three short beeps. 
(Check display)
1. Display Adapter 
2. Video Memory (if used)
3. System Board
Repeating short beeps. (Check KB for stuck key)
1. System Board 
2. ACPA /A Adapter 

(*)  If this symbol is shown next to an error (above) go to "RelatedService Information" in topic 1.11.


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