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Table 2. Error messages (continued)
Symptom or 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.
Beep symptoms
Table 3. Beep symptoms
Symptom or error
One beep and a blank, unreadable, or lashing LCD.
One long and two short beeps, and a blank or unreadable
LCD.
Two short beeps with error codes.
Two short beeps and a blank screen.
Two or more beeps, or a continuous beep. Operating
system starts successfully.
Three short beeps, pause, three more short beeps, and
one short beep.
One short beep, pause, three short beeps, pause, three
more short beeps, and one short beep.
Only the cursor appears.
Four cycles of four short beeps and a blank screen.
Five short beeps and a blank screen.
No-beep symptoms
Table 4. 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.
38
Hardware Maintenance Manual
FRU or action, in sequence
1. Check that the operating system has no failure and is
installed correctly.
2. Reinstall the operation system.
Excluded from boot order.
• Enter the ThinkPad Setup program and add the device
in boot order.
Replace the battery.
FRU or action, in sequence
1. Reseat the LCD connector.
2. LCD assembly.
3. External CRT.
4. System board.
1. System board.
2. LCD assembly.
3. Memory module.
POST error. See "Numeric error codes" on page 33.
1. System board.
2. Memory module.
If a mini-PCI Ethernet card is installed, conirm that Alert
On LAN 2 in the ThinkPad Setup program is disabled.
1. Memory module.
2. System board.
Reinstall the operating system.
System board (security chip)
System board
FRU or action, in sequence
1. Ensure that every connector is connected tightly
and correctly.
2. Memory module.
3. System board.
1. Reseat memory module.
2. System board.
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