security features

41

installing, replacing

 

memory module

18

PCI card

15

 

internal

 

 

drives 9

 

 

internal drives

1

 

K

keyboard, replacing 39

L

Lenovo Customer Support Center 66

Lenovo ThinkVantage Toolbox

60

Lenovo ThinkVantage Tools

63

Lenovo Web site

64

 

Lenovo Welcome

4

 

locating components 8

 

M

media, creating and using recovery media 45

memory module

1, 18

 

installing, replacing

18

microphone connector

8

microprocessor

1

 

replacing 24

 

 

mouse, replacing

39

 

N

notice, television output 70 notices 69

O

Online Books folder 63

operations, backup and recovery 46 optical drive

replacing 31 optical mouse

cleaning 61

P

padlock

43

 

 

parts replacement, completing

40

password

 

 

 

considerations 52

 

erasing

43

 

 

lost or forgotten

43

 

setting, changing, deleting

52

password protection

43

 

PC-Doctor for DOS

61

 

PC-Doctor for Rescue and Recovery 60

PCI card

15

installing, replacing 15

slots

16

physical specifications

3

 

power supply

 

 

 

features

2

 

 

power supply assembly

 

replacing

27

 

 

power-on password

52

 

power-onself-test (POST)

55

programs, updating system

55

protection, password

43

 

purchasing additional services 67

R

rear connectors 7 recovering

from a POST and BIOS update failure 56

software

45

 

 

 

 

recovery

 

 

 

 

 

 

Boot-block Recovery

56

 

 

operations, backup and

46

 

problems, solving 50

 

 

recovery media, creating and using

45

reinstalling

 

 

 

 

 

 

device drivers

50

 

 

 

removing

 

 

 

 

 

 

computer cover

12

 

 

 

removing, reinstalling

 

 

 

front bezel

13

 

 

 

 

replacing

 

 

 

 

 

 

battery

20

 

 

 

 

 

front fan assembly

37

 

 

hard disk drive

34

 

 

 

heat sink and fan assembly 21

 

keyboard

39

 

 

 

 

microprocessor

24

 

 

 

mouse

39

 

 

 

 

 

optical drive

31

 

 

 

power supply assembly

27

 

Rescue and Recovery

45

 

 

workspace, Rescue and Recovery

48

Rescue and Recovery workspace 48

resources, information

63

 

 

S

safety iii

safety information 64 security

cable lock 42

enabling or disabling 52

features

2, 41

padlock

43

selecting

startup device 53 temporary startup device 53

serial port

8

service

 

and help

65

getting

63

Lenovo Customer Support Center 66

74ThinkCentre User Guide

Page 80
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Lenovo 804 manual Keyboard, replacing Lenovo Customer Support Center