Error Messages; Beep Symptoms; No-Beep Symptoms - Lenovo ThinkPad T430s Hardware Maintenance Manual

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.

Beep symptoms

Table 4. Beep symptoms
Symptom or error
One beep and a blank, unreadable, or flashing 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 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.
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Hardware Maintenance Manual
FRU or action, in sequence
1. Fan.
2. Thermal grease.
3. System board.
System board.
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.
1. System board.
2. memory module.
If a mini-PCI Ethernet card is installed, confirm that Alert
On LAN 2 in ThinkPad Setup is disabled.
1. memory module.
2. System board
Reinstall the operating system.
System board (security chip)
System board
FRU or action, in sequence
1. Make sure that every connector is connected
tightly and correctly.
2. memory module.
3. System board.
1. Reseat memory module.
2. System board.