Symptom-to-FRU index

Beep symptoms

Symptom or error

FRU or action, in sequence

 

 

 

One beep and a blank,

1.

Reseat the LCD

unreadable, or flashing LCD.

 

connector.

 

2.

LCD assembly.

 

3.

External CRT.

 

4.

System board.

 

 

 

One long and two short beeps,

1.

System board.

and a blank or unreadable

2.

LCD assembly.

LCD.

3.

DIMM.

 

 

 

Two short beeps with error

POST error. See “Numeric

codes.

error codes” on page 62.

 

 

 

Two short beeps and a blank

1.

System board.

screen.

2.

DIMM.

 

 

 

Three short beeps, pause,

1.

DIMM.

three more short beeps, and

2.

System board

one short beep.

 

 

 

 

 

One short beep, pause, three

 

 

short beeps, pause, three more

 

 

short beeps, and one short

 

 

beep.

 

 

 

 

Only the cursor appears.

Reinstall the operating

 

system.

 

 

Four cycles of four short beeps

System board (security chip)

and a blank screen.

 

 

 

 

Five short beeps and a blank

System board

screen.

 

 

 

 

 

No-beep symptoms

Symptom or error

FRU or action, in sequence

 

 

 

No beep, power-on indicator

1.

Make sure that every

on, LCD blank, and no POST.

 

connector is connected

 

 

tightly and correctly.

 

2.

DIMM.

 

3.

System board.

 

 

 

No beep, power-on indicator

1.

Reseat DIMM.

on, and LCD blank during

2.

System board.

POST.

 

 

 

 

The power-on password prompt

A power-on password or a

appears.

supervisor password is set.

 

Type the password and press

 

Enter.

 

 

The hard-disk password prompt

A hard-disk password is set.

appears.

Type the password and press

 

Enter.

 

 

The DOS full screen looks

Start the ThinkPad

smaller than it should.

Configuration program and set

 

the Screen expansion

 

function.

 

 

 

68R50e, R51e and R52 Series

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Lenovo R51e Series, R50e Series manual Beep symptoms, No-beep symptoms, 68 R50e, R51e and R52 Series