Lenovo IdeaPad U550, User Manual

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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