Lenovo 7355 用户手册

7.

   

Slide

 

the

 

power

 

supply

 

away

 

from

 

the

 

chassis

 

and

 

remove

 

it

 

from

 

the

 

computer.

 

 

 

8.

   

Install

 

the

 

new

 

power

 

supply

 

into

 

the

 

chassis

 

so

 

that

 

the

 

screw

 

holes

 

in

 

the

 

power

 

supply

 

align

 

with

 

those

 

in

 

the

 

chassis.

 

 

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

 

 

  

 

 

 

 

 

 

Chapter

 

9.

 

Replacing

 

FRUs

 

-

 

Desktop

 

computers