Beep Symptom FRU/Action
3-2-4
Keyboard controller failed 1. System Board
2. Keyboard
3-3-4
Screen initialization failed 1. Video Adapter (if installed)
2. System Board
Display
3-4-1
Screen retrace test detected an error 1. VideoAdapter (if installed)
2. System Board
3. Display
3-4-2
POST is searching for video ROM 1. VideoAdapter (if installed)
2. System Board
41. VideoAdapter (if installed)
2. System Board
All other beep code sequences 1. System Board
One long and one short beep during POST.
Base 640 KB memory error or shadow RAM
error
1. Memory Module
2. System Board
One long beep and two or three short beeps
during POST.
(Videoerror)
1. VideoAdapter (if installed)
2. System Board
Three short beeps during POST 1. System Board Memory
2. System Board
Continuous beep 1. System Board
Repeating short beeps 1. Keyboard stuck key?
2. Keyboard Cable
3. System Board
Chapter6. Symptom-to-FRU Index 91