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Error messages
Table 3. Error messages
Symptom or error
Fan error.
Thermal sensing error.
The battery installed is not supported by this system and
will not charge. Please replace the battery with the correct
Lenovo battery for this system. Press the ESC key to
continue.
This system does not support batteries that are not
genuine Lenovo made or authorized. The system will
continue to boot, but may not charge unauthorized
batteries. Press the ESC key to continue.
Attention: Lenovo has no responsibility for the
performance or safety of unauthorized batteries, and
provides no warranties for failures or damage arising out
of their use.
Beep symptoms
Table 4. Beep symptoms
Symptom or error
Four cycles of four short beeps
One short beep, pause, three short beeps, pause, three
more short beeps, pause, and one short beep (1–3–3–1
beeps)
Five short beeps
One long and two short beeps
Three short beeps, pause, one short beep, pause, one
more short beep, pause, and three short beeps (3–1–1–3
beeps)
Five short beeps, pause, five more short beeps, and
pause
No-beep symptoms
Table 5. No-beep symptoms
Symptom or error
No beep, power-on indicator on, LCD blank, and no
POST.
No beep, power-on indicator on, and LCD blank during
POST.
FRU or action, in sequence
1. Replace the thermal fan assembly.
2. Apply thermal grease.
3. Replace the system board.
Replace the system board.
Replace the battery pack.
Replace the battery pack.
FRU or action, in sequence
Replace the system board.
1. Replace the memory module.
2. Replace the system board.
Replace the system board.
Replace the system board.
Have the computer serviced.
Replace the system board.
FRU or action, in sequence
1. Ensure that every connector is connected tightly
and correctly.
2. Reseat memory module.
3. Replace the system board.
1. Reseat memory module.
2. Replace the system board.
Chapter 4
.
Related service information
39
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