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U455 manual
Models:
U455
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Troubleshooting
Install
Password
System status indicators
Connecting external devices
Warranty
Maintenance
„ Software configuration
Display problems
Battery pack
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Contents
Lenovo IdeaPad U455
First Edition December Copyright Lenovo
Dear user
Explanation of hard disk capacity
Page
Page
Contents
Appendix C. Lenovo limited
Contents Appendix B. Use and care
Appendix F. Features
120
„ Read this first
Important safety information
Important safety information
Iii
Important safety information Unpack
Important safety information Working place
Important safety information Correct usage procedures
Important safety information
Vii
Important safety information Service and upgrades
Viii
Getting to know your computer
Integrated
Power button
Getting to know your computer
Camera
Touchpad
Fingerprint
Reader
Left-side view
Adapter jack
Right-side view
Bottom view
SIM card slot Select models only
Battery pack
Compartment Battery latch
Memory
Connecting the computer to an electrical outlet
„ Connecting to the power
Installing the battery pack
Learning the basics
Learning the basics
„ Configuring the operating system
„ Turning on the computer
Putting your computer into sleep state
„ Shutting down your computer
Using AC adapter and battery
„ Checking battery status
„ Charging the battery
„ Removing the battery pack
„ Handling the battery
Using the touchpad
Left click button
Right click button
Two-Finger Scrolling
„ Gestures
Pinch zoom
Rotating
Learning the basics Three-Finger Flick
Using the keyboard
„ Numeric keypad
„ Function key combinations
Fn + F2
Fn + Esc
Fn + F1
Fn + F3
Connecting external devices
„ Using memory cards not supplied
„ Connecting a universal serial bus USB device
„ Inserting a memory card
„ Removing a memory card
„ Connecting a Bluetooth device Select models only
Enabling Bluetooth communications on your computer
Switching GPU Select models only
Learning the basics
Special keys and buttons
Volume buttons ~
Learning the basics OneKey Rescue system button
System status indicators
Indicator
Touchpad indicator
Securing your computer
„ Attaching a security lock not supplied
„ Using VeriFace
„ Using passwords
„ Fingerprint reader
Using the Internet
Wired connection
„ Hardware connection
„ Software configuration
Using the Internet
Cable
Wireless connection
Wi-Fi
Software configuration
„ Using Wi-Fi/WiMax Select models only
Enabling wireless connection
Hardware connection
„ Using Mobile Broadband Select models only
Inserting the SIM card
Removing the SIM card
Using the Internet
OneKey Rescue system
OneKey Rescue system
„ Introduction
OneKey Rescue system
OneKey Rescue system
Troubleshooting
Frequently Asked Questions
Troubleshooting
Where are the recovery discs?
What can I do if the backup process fails?
Troubleshooting
Display problems
Problems with GPU switching
Computer is on
Troubleshooting Password problem
Keyboard problems
Sleep or hibernation problems
Mode immediately after
Troubleshooting Computer screen problems
Sound problems
Troubleshooting Battery problems
Hard disk drive problem
Startup problem
Troubleshooting OneKey Rescue system problems
Other problems
Connected external
Replacing the battery
To replace the battery, do the following
Upgrading and replacing devices
Upgrading and replacing devices
Replacing the hard disk drive
Handling a hard disk drive
Upgrading and replacing devices
Upgrading and replacing devices
Upgrading and replacing devices
Replacing memory
Upgrading and replacing devices
Upgrading and replacing devices
Upgrading and replacing devices
Upgrading and replacing devices
Appendix A. Getting help and service
Appendix A. Getting help and service
Getting help on the Web
Appendix A. Getting help and service
Appendix A. Getting help and service
Getting help around the world
„ Be careful about where and how you work
Appendix B. Use and care information
Caring for your computer
„ Notice of static-electricity
Appendix B. Use and care information
„ Be gentle with your computer
„ Carry your computer properly
„ For outdoor use
„ Handle storage media and drives properly
„ Data safety
„ Take care in setting passwords
„ Other important tips
Appendix B. Use and care information
Accessibility and comfort
„ Ergonomic information
„ What if you are traveling?
„ Questions about vision?
Maintenance
„ General tips for maintenance
Appendix B. Use and care information
„ Cleaning the cover of your computer
„ Cleaning your computer keyboard
„ Cleaning your computer display
Appendix C. Lenovo limited warranty
„ What this warranty covers
„ How to obtain warranty service
„ What your service provider will do to correct problems
Appendix C. Lenovo limited warranty
Information
„ Replacement of a product or part
„ Your additional responsibilities
„ Use of personal information
„ What this warranty does not cover
„ Limitation of liability
„ Dispute resolution
„ Other rights
„ European Economic Area EEA
„ Lenovo Turkey address
Lenovo Technology B.V. Turkiye Istanbul Subesi
Warranty information
„ Types of warranty service
Customer Replaceable Unit CRU Service
Appendix C. Lenovo limited warranty On-site Service
Courier or Depot Service
Customer Carry-In or Mail-In Service
Product Exchange Service
Appendix D. Customer replaceable units CRUs
Appendix D. Customer replaceable units CRUs
Appendix E. Notices
Appendix E. Notices
„ Export classification notice
100
Energy Star model information
101
102
Windows
Wireless related information
„ Wireless interoperability
103
„ Usage environment and your health
104
„ Safety information related to Mobile Broadband
105
106
Electronic emissions notices
„ Federal Communications Commission FCC Statement
107
„ Industry Canada Class B Emission Compliance Statement
108
„ Avis de conformité à la réglementation d’Industrie Canada
„ German Class B Compliance Statement
109
110
„ European Union Compliance Statement Class B Compliance
111
112
„ Japan Compliance Statement for Power line Harmonics
„ Korea Class B
113
Weee and recycling statements
„ General recycling statement
114
EU Weee statements
115
Japan recycling statements
116
„ Disposing of a Lenovo Computer Components
117
118
119
Model Name IdeaPad U455
Appendix F. Features and Specifications
120
Form Factor
Appendix F. Features and Specifications Ports
121
Others
Trademarks
122
Index
123
124
Index
125
Page
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