Lenovo U-550 Lenovo IdeaPad U550 UserGuide V1.0 - Page 7

Contents, Appendix A. Getting help - wireless

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Contents Important safety information...... iii Important safety information ....iii Chapter 1. Getting to know your computer 1 Top view 1 Left-side view 4 Right-side view 5 Front view 6 Bottom view 7 Chapter 2. Learning the basics 9 First use 9 AC adapter and battery 12 Using the touchpad 15 Using the keyboard 18 Connecting external devices..... 21 Using Switchable Graphics (specific models only 25 Special keys and buttons........... 27 System status indicators 29 Securing your computer 30 Chapter 3. Using the Internet .... 33 Wired connection 33 Wireless connection 35 Chapter 4. OneKey Rescue System 41 OneKey Rescue System 41 Chapter 5. Troubleshooting .......44 Frequently Asked Questions ....44 Troubleshooting 47 Chapter 6. Upgrading and replacing devices 55 Replacing the battery 55 Replacing the hard disk drive 57 Replacing memory 61 Removing the optical drive ......65 Appendix A. Getting help and service 67 Getting help on the Web ...........68 Calling the customer support center 68 Getting help around the world 71 Lenovo warranty service telephone numbers 71 i

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i
Important safety information
......
iii
Important safety information
....
iii
Chapter 1. Getting to know your
computer
.......................................
1
Top view
........................................
1
Left-side view
...............................
4
Right-side view
.............................
5
Front view
.....................................
6
Bottom view
..................................
7
Chapter 2. Learning the
basics
............................................
9
First use
..........................................
9
AC adapter and battery
.............
12
Using the touchpad
....................
15
Using the keyboard
....................
18
Connecting external devices
.....
21
Using Switchable Graphics
(specific models only)
................
25
Special keys and buttons
...........
27
System status indicators
............
29
Securing your computer
............
30
Chapter 3. Using the Internet
....
33
Wired connection
.......................
33
Wireless connection
...................
35
Chapter 4. OneKey Rescue
System
.........................................
41
OneKey Rescue System
.............
41
Chapter 5. Troubleshooting
.......
44
Frequently Asked Questions
....
44
Troubleshooting
.........................
47
Chapter 6. Upgrading and
replacing devices
........................
55
Replacing the battery
.................
55
Replacing the hard disk
drive
.............................................
57
Replacing memory
.....................
61
Removing the optical drive
......
65
Appendix A. Getting help and
service
..........................................
67
Getting help on the Web
...........
68
Calling the customer support
center
............................................
68
Getting help around the
world
............................................
71
Lenovo warranty service
telephone numbers
.....................
71
Contents