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User Guide
Lenovo K4450 and K4450A
Before using this information and the product it supports, be sure to read and understand the following:
•Safety, Warranty, and Setup Guide
•“Important safety information” on page iv
•Appendix D “Notices” on page 39
The Safety, Warranty, and Setup Guide has been uploaded to the Web site. To refer to it, go to
http://www.lenovo.com/UserManuals.
First Edition (March 2014)
© Copyright Lenovo 2014.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration
“GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.
© Copyright Lenovo 2013 i
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
Produktspecifikationer
| Varumärke: | Lenovo |
| Kategori: | Laptop |
| Modell: | K4450A |
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