Lenovo 7483 사용자 설명서

 

Use

 

only

 

the

 

screws

 

provided

 

by

 

Lenovo.

 

 

9.

   

Install

 

and

 

tighten

 

the

 

four

 

screws

 

at

 

the

 

rear

 

of

 

the

 

chassis

 

to

 

secure

 

the

 

power

 

supply.

 

10.

   

Check

 

the

 

position

 

of

 

the

 

voltage-selection

 

switch

 

on

 

the

 

rear

 

of

 

the

 

computer.

 

Use

 

a

 

ballpoint

 

pen

 

to

 

slide

 

the

 

switch,

 

if

 

necessary.

 

 

Some

 

computers

 

do

 

not

 

have

 

a

 

voltage-selection

 

switch.

 

These

 

computers

 

automatically

 

control

 

the

 

voltage.

 

v

   

If

 

the

 

voltage

 

supply

 

range

 

is

 

100–127

 

V

 

AC,

 

set

 

the

 

switch

 

to

 

115

 

V.

 

v

   

If

 

the

 

voltage

 

supply

 

range

 

is

 

200–240

 

V

 

AC,

 

set

 

the

 

switch

 

to

 

230

 

V.

11.

   

Reconnect

 

all

 

the

 

power

 

supply

 

cables

 

to

 

the

 

drives

 

and

 

the

 

system

 

board.

 

12.

   

Go

 

to

 

 

 

 

 

 

 

 

 

 

Do

 

not

 

open

 

your

 

computer

 

or

 

attempt

 

any

 

repair

 

before

 

reading

 

the

 

“Important

 

safety

 

information”

 

in

 

the

 

 

 

 

 

 

that

 

came

 

with

 

your

 

computer.

 

To

 

obtain

 

a

 

copy

 

of

 

the

 

 

 

 

 

Guide,

 

go

 

to:

 

http://www.lenovo.com/support

  

This

 

section

 

provides

 

instructions

 

on

 

how

 

to

 

replace

 

the

 

heat

 

sink

 

and

 

fan

 

assembly.

 

To

 

replace

 

the

 

heat

 

sink

 

and

 

fan

 

assembly:

 

1.

   

Open

 

the

 

computer

 

cover.

 

See

 

2.

   

Pivot

 

the

 

drive

 

bay

 

assembly

 

upward

 

to

 

gain

 

access

 

to

 

the

 

heat

 

sink

 

and

 

fan

 

assembly.

 

  

 

 

 

 

 

 

Chapter

 

3.

 

Installing

 

options

 

and

 

replacing

 

hardware