Beep Symptom
FRU/Action
2-2-4
CMOS configuration info validation
failed
1.
Battery
2.
System Board
2-3-1
Screen initialization failed
1.
Jumper on J28
2.
System Board
2-3-2
Screen memory failed
System board
2-3-3
Screen retrace failed
System board
1-2
Search for video ROM failed
System board
All other beep code sequences
System board
Continuous beep
System Board
Repeating short beeps
1.
Keyboard stuck key
2.
Keyboard Cable
3.
System Board
Chapter 7. Symptom-to-FRU Index
81
Summary of Contents for 821532U - ThinkCentre M52 - 8215
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Page 3: ...Hardware Maintenance Manual ...
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Page 19: ...Chapter 2 Safety information 13 ...
Page 20: ... 18 kg 37 lbs 32 kg 70 5 lbs 55 kg 121 2 lbs 1 2 14 Hardware Maintenance Manual ...
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Page 25: ...1 2 Chapter 2 Safety information 19 ...
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Page 27: ...1 2 Chapter 2 Safety information 21 ...
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Page 41: ...1 2 Chapter 2 Safety information 35 ...
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Page 530: ...Part Number 39J8289 Printed in USA 1P P N 39J8289 ...