Chapter 2. replacing hardware, Removing the cover, Chapter – Lenovo ThinkCentre M55e User Manual

Page 15: Replacing, Hardware, Removing, Cover

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Chapter

2.

Replacing

hardware

Attention

Do

not

open

your

computer

or

attempt

any

repair

before

reading

the

“Important

safety

information”

in

the

Safety

and

Warranty

Guide

that

was

included

with

your

computer

for

the

computer.

To

obtain

copies

of

the

Safety

and

Warranty

Guide,

go

to

http://www.lenovo.com/support.

Note:

Use

only

the

parts

provided

by

Lenovo

.

Removing

the

cover

Important

Turn

off

your

computer

and

wait

3

to

5

minutes

to

let

the

computer

cool

before

removing

the

computer

cover.

To

remove

the

computer

cover:

1.

Remove

any

media

(diskettes,

CDs,

or

tapes)

from

the

drives,

shut

down

your

operating

system,

and

turn

off

all

attached

devices.

2.

Unplug

all

power

cords

from

electrical

outlets.

3.

Disconnect

all

cables

attached

to

the

computer.

This

includes

power

cords,

input/output

(I/O)

cables,

and

any

other

cables

that

are

connected

to

the

computer.

4.

Remove

any

locking

devices

such

as

a

padlock

that

secure

the

cover.

©

Lenovo

2006,

2007.

Portions

©

IBM

Corp.

2005.

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