Lenovo NetVista A22 Hardware Maintenance Manual (HMM) for NetVista 2254, 2256, - Page 99

Beep Symptom, FRU/Action, System Board, Video Adapter if installed, Memory Module, System Board Memory

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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. Video Adapter (if installed) 2. System Board 3. Display 3-4-2 POST is searching for video ROM 1. Video Adapter (if installed) 2. System Board 4 1. Video Adapter (if installed) 2. System Board All other beep code sequences 1. System Board One long and one short beep during POST. 1. Memory Module Base 640 KB memory error or shadow RAM error 2. System Board One long beep and two or three short beeps 1. Video Adapter (if installed) during POST. (Video error) 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 Chapter 6. Symptom-to-FRU Index 91

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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.
Video Adapter (if installed)
2.
System Board
3.
Display
3-4-2
POST is searching for video ROM
1.
Video Adapter (if installed)
2.
System Board
4
1.
Video Adapter (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.
(Video error)
1.
Video Adapter (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
Chapter 6. Symptom-to-FRU Index
91