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Lenovo U-550 Lenovo IdeaPad U550 UserGuide V1.0 - Page 20

Front view, Getting to know your computer, Integrated, wireless device, switch - model

UPC - 884942567636

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Chapter 1. Getting to know your computer Front view a bc Integrated wireless device switch Use this switch to turn on/off the wireless radio of all wireless devices on your computer. GPU (graphics processing unit) switch (specific models only) Slide and release this switch to change the GPU. Memory card slot Insert memory cards (not supplied) here. Note: For details, see "Using memory cards (not supplied)" on page 21. 6

Section	Page
Important safety information	9
Important safety information	9
Chapter 1. Getting to know your computer	15
Top view	15
Left-side view	18
Right-side view	19
Front view	20
Bottom view	21
Chapter 2. Learning the basics	23
First use	23
AC adapter and battery	26
Using the touchpad	29
Using the keyboard	32
Connecting external devices	35
Using Switchable Graphics (specific models only)	39
Special keys and buttons	41
System status indicators	43
Securing your computer	44
Chapter 3. Using the Internet	47
Wired connection	47
Wireless connection	49
Chapter 4. OneKey Rescue System	55
OneKey Rescue System	55
Chapter 5. Troubleshooting	58
Frequently Asked Questions	58
Troubleshooting	61
Chapter 6. Upgrading and replacing devices	69
Replacing the battery	69
Replacing the hard disk drive	71
Replacing memory	75
Removing the optical drive	79
Appendix A. Getting help and service	81
Getting help on the Web	82
Calling the customer support center	82
Getting help around the world	85
Lenovo warranty service telephone numbers	85
Appendix B. Use and care information	86
Caring for your computer	86
Accessibility and comfort	92
Maintenance	94
Appendix C. Lenovo limited warranty	99
Warranty information	109
Appendix D. Customer replaceable units (CRUs)	113
Appendix E. Notices	115
Notices	115
ENERGY STAR model information	118
Wireless related information	120
Electronic emissions notices	124
WEEE and recycling statements	131
Turkish statement of compliance	131
EU WEEE statements	132
Japan recycling statements	133
Notice for users in the U.S.A.	135
Notice on deleting data from your hard disk	135
Appendix F. Features and Specifications	137
Trademarks	139

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Chapter 1. Getting to know your computer

Front view

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Integrated

wireless device

switch

Use this switch to turn on/off the wireless radio of all

wireless devices on your computer.

GPU (graphics

processing unit)

switch (specific

models only)

Slide and release this switch to change the GPU.

Memory card slot

Insert memory cards (not supplied) here.

Note:

For details, see “Using memory cards (not supplied)” on page 21.