Lenovo 9851 用户手册

3.

   

Remove

 

the

 

four

 

screws

 

at

 

the

 

rear

 

of

 

the

 

chassis

 

that

 

secure

 

the

 

power

 

supply.

 

 

4.

   

Lift

 

the

 

power

 

supply

 

out

 

of

 

the

 

chassis.

 

 

5.

   

Install

 

the

 

new

 

power

 

supply

 

into

 

the

 

chassis

 

so

 

that

 

the

 

screw

 

holes

 

in

 

the

 

power

 

supply

 

align

 

with

 

those

 

in

 

the

 

chassis.

 

 

6.

   

Install

 

the

 

four

 

screws

 

to

 

secure

 

the

 

power

 

supply.

 

 

Use

 

only

 

the

 

screws

 

provided

 

by

 

Lenovo.

 

 

7.

   

Reconnect

 

the

 

power

 

supply

 

connectors

 

to

 

the

 

system

 

board.

 

 

8.

   

Reconnect

 

a

 

power

 

supply

 

connector

 

to

 

each

 

of

 

the

 

drives.

 

 

9.

   

If

 

your

 

computer

 

has

 

a

 

voltage-selection

 

switch,

 

ensure

 

that

 

you

 

set

 

the

 

voltage-selection

 

switch

 

to

 

match

 

the

 

voltage

 

available

 

at

 

your

 

electrical

 

outlet.

 

If

 

necessary,

 

use

 

a

 

ballpoint

 

pen

 

to

 

slide

 

the

 

switch

 

to

 

a

 

different

 

position.

 

v

   

If

 

the

 

voltage

 

supply

 

range

 

in

 

your

 

local

 

country

 

or

 

region

 

is

 

100–127

 

V

 

ac,

 

set

 

the

 

switch

 

to

 

115

 

V.

 

v

   

If

 

the

 

voltage

 

supply

 

range

 

is

 

in

 

your

 

local

 

country

 

or

 

region

 

is

 

200–240

 

V

 

ac,

 

set

 

the

 

switch

 

to

 

230

 

V.

10.

   

Go

 

to

 

 

  

 

 

 

 

 

 

 

Hardware

 

Installation

 

and

 

Replacement

 

Guide