Bedienungsanleitung Lenovo K4450 (Seite 3 von 56) (Englisch)

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Read this first ............................................ iii

Important safety information .............................................. iv

Conditions that require immediate action ................. iv

Safety guidelines ..............................................................v

Chapter 1. Product overview..................... 1

Front view.................................................................................1

Left-side view...........................................................................3

Right-side view........................................................................4

Bottom view .............................................................................5

Status indicators.......................................................................6

Features.....................................................................................7

Specifications............................................................................8

Chapter 2. Using your computer............... 9

Frequently asked questions ...................................................9

Configuring the operating system ........................................9

Registering your computer ..................................................10

Special keys and buttons ......................................................10

Function key combinations ..........................................10

Numeric keypad....................................................................12

Using the touch pad..............................................................12

Power management ..............................................................13

Checking the battery status ..........................................13

Using the ac power adapter .........................................14

Charging the battery......................................................14

Maximizing the battery life ..........................................14

Power-saving modes .....................................................14

Handling the battery .....................................................16

Connecting to the network...................................................17

Ethernet connection .......................................................17

Wireless connection.......................................................17

Using the NVIDIA Optimus Graphics feature..................18

Using a flash media card ......................................................18

Chapter 3. You and your computer ........ 19

Accessibility and comfort.....................................................19

Ergonomic information.................................................19

Chapter 4. Security................................... 21

Attaching a mechanical lock................................................21

Using passwords ...................................................................21

Using a fingerprint reader....................................................21

Using the Active Protection System program...................21

Chapter 5. Recovery overview.................22

Recovery solutions on the Windows 7 operating

system......................................................................................22

Recovery solutions on the Windows 8.1 operating

system......................................................................................23

Chapter 6. Preventing problems .............25

General tips for preventing problems.................................25

Taking care of your computer..............................................25

Chapter 7. Troubleshooting computer

problems....................................................29

Troubleshooting.....................................................................29

Battery and power problems ........................................29

Computer screen problems...........................................30

Problems with drives and other storage devices.......31

OneKey Recovery Pro program problems .................32

A password problem .....................................................32

A sound problem............................................................32

Other problems...............................................................33

Appendix A. Regulatory information ......34

Wireless related information................................................34

Korean Class B compliance statement................................35

Lenovo product service information for Taiwan ..............35

ENERGY STAR model information....................................36

Appendix B. WEEE and recycling

statements.................................................37

China WEEE statement.........................................................37

Taiwan Battery recycling information................................37

Appendix C. Restriction of Hazardous

Substances Directive (RoHS) ..................38

China RoHS ............................................................................38

Appendix D. Notices.................................39

Trademarks.............................................................................40

Index ..........................................................41

Contents

Lenovo K4450 Seite 3

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