Erasing, Lost, Forgotten – Lenovo ThinkVision E50 User Manual

Page 38: Password, Clearing, Cmos)

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To

change

the

battery:

1.

Turn

off

the

computer

and

disconnect

the

power

cord

from

the

electrical

outlet

and

from

the

computer.

2.

Remove

the

computer

cover.

See

“Removing

the

cover”

on

page

10.

3.

You

might

have

to

access

the

system

board

components.

See

“Accessing

system

board

components”

on

page

12.

4.

Locate

the

battery.

See

“Identifying

parts

on

the

system

board”

on

page

13.

5.

Remove

the

old

battery.

6.

Install

the

new

battery.

7.

Replace

the

computer

cover,

and

connect

the

cables.

See

“Replacing

the

cover

and

connecting

the

cables”

on

page

23.

Note:

When

the

computer

is

turned

on

for

the

first

time

after

battery

replacement,

an

error

message

might

be

displayed.

This

is

normal

after

replacing

the

battery.

8.

Turn

on

the

computer

and

all

attached

devices.

9.

Use

the

Setup

Utility

program

to

set

the

date

and

time

and

any

passwords.

See

Chapter

2,

“Using

the

Setup

Utility,”

on

page

25.

Erasing

a

lost

or

forgotten

password

(clearing

CMOS)

This

section

applies

to

lost

or

forgotten

passwords.

For

more

information

about

lost

or

forgotten

passwords,

go

to

the

ThinkVantage

Productivity

Center

program.

To

erase

a

forgotten

password:

1.

Remove

the

computer

cover.

See“Removing

the

cover”

on

page

10.

2.

You

might

have

to

access

the

system

board

components.

See

“Accessing

system

board

components”

on

page

12.

3.

Locate

the

Clear

CMOS/Recovery

jumper

on

the

system

board.

See

“Identifying

parts

on

the

system

board”

on

page

13.

4.

Move

the

jumper

from

the

standard

position

(pins

1

and

2)

to

the

maintenance

or

configure

position

(pins

2

and

3).

Note:

If

the

system

board

has

only

two

pins

for

clearing

CMOS,

add

a

jumper

to

the

two

pins.

5.

Move

the

Clear

CMOS/Recovery

jumper

back

to

the

standard

position

(pins

1

and

2).

22

User

Guide

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