Beep Symptoms - IBM MT 2366 Hardware Maintenance Manual

Symptom-to-FRU index

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.
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 cursor appears.
Four cycles of four short beeps
and a blank screen.
Five short beeps and a blank
screen.
54
ThinkPad T30 (MT 2366, 2367)
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. DIMM.
POST error. See "Numeric
error codes" on page 50.
1. System board.
2. DIMM.
1. DIMM.
2. System board
Reinstall operating system.
System board (IBM security
chip)
System board