Lenovo 20AA000MUS, T431s, 20AA000BUS manual Contents

Contents

Read this first	v
Important safety information	vi
Conditions that require immediate action . .	vii
Safety guidelines	vii

Chapter 1. Product overview	1
Locating computer controls, connectors, and
indicators	1
Front view	1
Right-side view	3
Left-side view	4
Bottom view	5
Rear view	6
Status indicators	6
Locating important product information	8
Machine type and model information	8
FCC ID and IC Certification information . . . .	8
Features	9
Specifications	10
Operating environment	11
Lenovo programs	11
Accessing Lenovo programs on the Windows
7 operating system	11
Accessing Lenovo programs on the Windows
8 operating system	13
Lenovo program overview	14

Chapter 2. Using your computer . . .	17
Registering your computer	17
Frequently asked questions	17
Special keys	19
Function keys	19
Windows key	20
Using the ThinkPad pointing device	20
Power management	22
Checking the battery status	22
Using the ac power adapter	23
Charging the battery	23
Maximizing the battery life	23
Managing the battery power	24
Power-saving modes	24
Connecting to the network	25
Ethernet connections	25
Wireless connections	26
Using an external monitor	29
Changing display settings	31
Using the Extend desktop function	31

Setting up a presentation	32
Using audio features	32
Using the camera	33
Using a media card	34
Inserting a media card	34
Removing a media card	34

Chapter 3. You and your computer . . 35

Accessibility and comfort	35
Ergonomic information	35
Comfort	36
Accessibility information	36
Traveling with your computer	37
Travel tips	37
Travel accessories	38

Chapter 4. Security	39
Attaching a mechanical lock	39
Using passwords	39
Passwords and sleep mode	39
Typing passwords	39
Power-on password	40
Hard disk passwords	40
Supervisor password	42
Hard disk security	44
Setting the security chip	45
Using the fingerprint reader	46
Notice on deleting data from your hard disk drive
or solid-state drive	48
Using firewalls	48
Protecting data against viruses	48

Chapter 5. Recovery overview . . . .	51
Recovery overview for the Windows 7 operating
system	51
Creating and using a recovery media . . . .	51
Performing backup and recovery operations .	52
Using the Rescue and Recovery workspace .	53
Creating and using a rescue medium . . . .	54
Reinstalling preinstalled programs and device
drivers	55
Solving recovery problems	55
Recovery overview for the Windows 8 operating
system	56
Refreshing your computer	56
Resetting your computer to the factory default
settings	56
Advanced startup options	56

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