IBM MT 2367 User Manual
Beep symptoms
Symptom or error
FRU or action, in sequence
One beep and a blank,
unreadable, or flashing LCD.
unreadable, or flashing LCD.
1. Reseat the LCD
connector.
2. LCD assembly.
3. External CRT.
4. System board.
3. External CRT.
4. System board.
One long and two short beeps,
and a blank or unreadable
LCD.
and a blank or unreadable
LCD.
1. System board.
2. LCD assembly.
3. DIMM.
2. LCD assembly.
3. DIMM.
Two short beeps with error
codes.
codes.
POST error. See “Numeric
error codes” on page 50.
error codes” on page 50.
Two short beeps and a blank
screen.
screen.
1. System board.
2. DIMM.
2. DIMM.
Three short beeps, pause,
three more short beeps, and
one short beep.
three more short beeps, and
one short beep.
1. DIMM.
2. System board
2. System board
One short beep, pause, three
short beeps, pause, three more
short beeps, and one short
beep.
short beeps, pause, three more
short beeps, and one short
beep.
Only cursor appears.
Reinstall operating system.
Four cycles of four short beeps
and a blank screen.
and a blank screen.
System board (IBM security
chip)
chip)
Five short beeps and a blank
screen.
screen.
System board
Symptom-to-FRU index
54
ThinkPad T30 (MT 2366, 2367)