Lenovo ThinkCentre A35 (English) User guide for ThinkCentre A35 (type 8139) sy - Page 41

5.

Move

the

jumper

from

the

standard

position

(pins

1

and

2)

to

the

maintenance

or

configure

position

(pins

2

and

3).

Note:

If

only

two

pins

exist

on

the

system

board,

place

the

jumper

across

the

two

pins.

6.

Replace

the

cover

and

connect

the

power

cord.

See

“Replacing

the

cover

and

connecting

the

cables.”

7.

Restart

the

computer,

leave

it

on

for

approximately

10

seconds.

Turn

off

the

computer

by

holding

the

power

switch

for

approximately

5

seconds.

The

computer

will

turn

off.

8.

Repeat

steps

2

through

4

on

page

24..

9.

Move

the

jumper

back

to

the

standard

(pins

1

and

2).

10.

Replace

the

cover

and

connect

the

power

cord.

See

“Replacing

the

cover

and

connecting

the

cables.”

Replacing

the

cover

and

connecting

the

cables

After

working

with

options,

you

need

to

install

any

removed

parts,

replace

the

cover,

and

reconnect

any

cables,

including

telephone

lines

and

power

cords.

Also,

depending

on

the

option

that

is

installed,

you

might

need

to

confirm

the

updated

information

in

the

CMOS

Setup

Utility

program.

To

replace

the

cover

and

connect

cables

to

your

computer:

1.

Ensure

that

all

components

have

been

reassembled

correctly

and

that

no

tools

or

loose

screws

are

left

inside

your

computer.

2.

Clear

any

cables

that

might

impede

the

replacement

of

the

cover.

Chapter

1.

Installing

options

25

Section	Page
Contents	5
Important safety information	7
Conditions that require immediate action	7
General safety guidelines	8
Service	8
Power cords and power adapters	9
Extension cords and related devices	9
Plugs and outlets	9
Batteries	10
Heat and product ventilation	10
CD and DVD drive safety	11
Additional safety information	11
Lithium battery notice	12
Modem safety information	12
Laser compliance statement	13
Power supply statement	13
Overview	15
Information resources	15
Chapter 1. Installing options	17
Features	17
Specifications	20
Available options	21
Tools required	21
Handling static-sensitive devices	22
Installing external options	22
Locating the connectors on the front of your computer	23
Locating the connectors on the rear of your computer	24
Obtaining device drivers	27
Removing the cover	27
Locating components	28
Identifying parts on the system board	28
Installing memory	30
Installing adapters	31
Installing internal drives	33
Drive specifications	33
Installing a drive	35
Connecting the first CD drive or DVD drive	38
Connecting an additional CD drive, DVD drive, or parallel ATA hard disk drive	38
Installing security features	38
Padlock loop	39
Password protection	39
Changing the battery	39
Erasing a lost or forgotten password (clearing CMOS)	40
Replacing the cover and connecting the cables	41
Chapter 2. Using the CMOS Setup Utility program	43
Starting the CMOS Setup Utility program	43
Viewing and changing settings	43
Exiting from the CMOS Setup Utility program	43
Using passwords	43
User password	44
Setting, changing, or deleting a user password	44
Administrator password	44
Setting, changing, or deleting an administrator password	44
Selecting a startup device	45
Selecting a temporary startup device	45
Changing the startup sequence	45
Appendix A. Updating system programs	47
System programs	47
Updating (flashing) BIOS from a diskette	47
Updating (flashing) BIOS from your operating system	47
Recovering from a POST/BIOS update failure	48
Appendix B. Cleaning the mouse	49
Cleaning an optical mouse	49
Cleaning a mouse with a ball	49
Appendix C. Manual modem commands	51
Basic AT commands	51
Extended AT commands	53
MNP/V.42/V.42bis/V.44 commands	54
Fax Class 1 commands	55
Fax Class 2 commands	55
Voice commands	56
Appendix D. Notices	59
Television output notice	60
Trademarks	60

Lenovo ThinkCentre A35 (English) User guide for ThinkCentre A35 (type 8139) sy - Page 41

Replacing, cover, connecting, cables

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