Beep - No Beep Symptoms

Beeps example	Description
1-2-X	One beep A pause (or break) Two beeps A pause (or break) Any number of beeps
4	Four continuous beeps

Beep Symptom	FRU/Action
1-1-3 CMOS read/write error	1. Run Setup 2. System Board
1-1-4 ROM BIOS check error	1. System Board
1-2-X DMA error	1. System Board
1-3-X	1. Memory Module 2. System Board
1-4-4	1. Keyboard 2. System Board
1-4-X Error detected in first 64KB of RAM.	1. Memory Module 2. System Board
2-1-1, 2-1-2	1. Run Setup 2. System Board
2-1-X First 64KB of RAM failed.	1. Memory Module 2. System Board
2-2-2	1. Video Card 2. System Board
2-2-X First 64KB of RAM failed.	1. Memory Module 2. System Board
2-3-X	1. Memory Module 2. System Board
2-4-X	1. Run Setup 2. Memory Module 3. System Board
3-1-X DMA register failed.	1. System Board
3-2-4 Keyboard controller failed.	1. System Board 2. Keyboard
3-3-4 Screen initialization failed.	1. Video Adapter 2. System Board 3. Display
3-4-1 Screen retrace test detected an error.	1. Video Adapter 2. System Board 3. Display
3-4-2 POST is searching for video ROM.	1. Video Adapter 2. System Board
4	1. Video Adapter 2. System Board
All other beep code sequences.	1. System Board
One long and one short beep during POST. Base 640KB memory error or shadow RAM error.	1. Memory Module 2. System Board
One long beep and two or three short beeps during POST. (Video error)	1. Display Adapter, if installed. 2. System Board
Three short beeps during POST.	1. See 'System Board Memory'. 2. System Board
Continuous beep.	1. System Board
Repeating short beeps.	1. Keyboard stuck key? 2. Keyboard Cable 3. System Board

No Beep Symptoms 

Symptom/Error	FRU/Action
No beep during POST but computer works correctly.	1. System Board
No beep during POST.	1. See 'Symptom-to-FRU Index Supplement (Type 8639)' 2. System Board 3. Memory Module 4. Any Adapter or Device 5. Riser Card 6. Power Cord 7. Power Supply