Beep symptoms, No-beep symptoms, Lcd-related symptoms – Lenovo Z61e User Manual

Page 57: Beep, Symptoms, No-beep, Lcd-related

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Beep

symptoms

Symptom

or

error

FRU

or

action,

in

sequence

One

beep

and

a

blank,

unreadable,

or

flashing

LCD.

1.

Reseat

the

LCD

connector

.

2.

LCD

assembly.

3.

External

CRT.

4.

System

board.

One

long

and

two

short

beeps,

and

a

blank

or

unreadable

LCD.

1.

System

board

.

2.

LCD

assembly.

3.

DIMM.

Two

short

beeps

with

error

codes.

POST

error.

See

“Numeric

error

codes”

on

page

45.

Two

short

beeps

and

a

blank

screen.

1.

System

board

.

2.

DIMM.

Three

short

beeps,

pause,

three

more

short

beeps,

and

one

short

beep.

1.

DIMM

.

2.

System

board

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

and

a

blank

screen.

System

board

(security

chip)

Five

short

beeps

and

a

blank

screen.

System

board

No-beep

symptoms

Symptom

or

error

FRU

or

action,

in

sequence

No

beep,

power-on

indicator

on,

LCD

blank,

and

no

POST.

1.

Make

sure

that

every

connector

is

connected

tightly

and

correctly

.

2.

DIMM.

3.

System

board.

No

beep,

power-on

indicator

on,

and

LCD

blank

during

POST.

1.

Reseat

DIMM

.

2.

System

board.

The

power-on

password

prompt

appears.

A

power-on

password

or

a

supervisor

password

is

set.

Type

the

password

and

press

Enter

.

The

hard-disk

password

prompt

appears.

A

hard-disk

password

is

set.

Type

the

password

and

press

Enter

.

LCD-related

symptoms

Important:

The

TFT

LCD

for

the

notebook

computer

contains

many

thin-film

transistors

(TFTs).

The

presence

of

a

small

number

of

dots

that

are

missing,

discolored,

or

always

lighted

is

characteristic

of

TFT

LCD

technology,

but

excessive

pixel

problems

can

cause

viewing

concerns.

The

LCD

should

be

replaced

if

the

number

of

missing,

discolored,

or

lighted

dots

in

any

background

is

as

follows:

Minimum

quantity

of

defective

pixels

required

for

LCD

replacement

on

June

2006

or

later

manufactured

ThinkPad

Symptom-to-FRU

index

ThinkPad

Z61e,

Z61m,

and

Z61p

51

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