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Lenovo IdeaPad U455
Models:
U455
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Troubleshooting
Install
Password
System status indicators
Connecting external devices
Warranty
Maintenance
Software configuration
Display problems
Accessibility and comfort
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Lenovo IdeaPad U455
User Guide
V1.0
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Contents
Lenovo IdeaPad U455
First Edition December Copyright Lenovo
Dear user
Explanation of hard disk capacity
Page
Page
Contents
Appendix F. Features
Contents Appendix B. Use and care
Appendix C. Lenovo limited
120
Important safety information
Important safety information
Read this first
Iii
Important safety information Unpack
Important safety information Working place
Important safety information Correct usage procedures
Vii
Important safety information
Viii
Important safety information Service and upgrades
Getting to know your computer
Getting to know your computer
Power button
Integrated
Camera
Fingerprint
Touchpad
Reader
Adapter jack
Left-side view
Right-side view
Bottom view
Compartment Battery latch
Battery pack
SIM card slot Select models only
Memory
Installing the battery pack
Connecting to the power
Connecting the computer to an electrical outlet
Learning the basics
Turning on the computer
Configuring the operating system
Learning the basics
Putting your computer into sleep state
Shutting down your computer
Checking battery status
Using AC adapter and battery
Charging the battery
Removing the battery pack
Handling the battery
Left click button
Using the touchpad
Right click button
Pinch zoom
Gestures
Two-Finger Scrolling
Rotating
Learning the basics Three-Finger Flick
Numeric keypad
Using the keyboard
Function key combinations
Fn + F1
Fn + Esc
Fn + F2
Fn + F3
Using memory cards not supplied
Connecting external devices
Inserting a memory card
Connecting a universal serial bus USB device
Removing a memory card
Enabling Bluetooth communications on your computer
Connecting a Bluetooth device Select models only
Switching GPU Select models only
Learning the basics
Special keys and buttons
Learning the basics OneKey Rescue system button
Volume buttons ~
Indicator
System status indicators
Touchpad indicator
Attaching a security lock not supplied
Securing your computer
Using passwords
Using VeriFace
Fingerprint reader
Wired connection
Using the Internet
Using the Internet
Software configuration
Hardware connection
Cable
Wi-Fi
Wireless connection
Enabling wireless connection
Using Wi-Fi/WiMax Select models only
Software configuration
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
Frequently Asked Questions
Troubleshooting
Where are the recovery discs?
Troubleshooting
What can I do if the backup process fails?
Display problems
Troubleshooting
Computer is on
Problems with GPU switching
Keyboard problems
Troubleshooting Password problem
Sleep or hibernation problems
Mode immediately after
Sound problems
Troubleshooting Computer screen problems
Hard disk drive problem
Troubleshooting Battery problems
Startup problem
Other problems
Troubleshooting OneKey Rescue system problems
Connected external
To replace the battery, do the following
Replacing the battery
Upgrading and replacing devices
Upgrading and replacing devices
Handling a hard disk drive
Replacing the 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
Getting help on the Web
Appendix A. Getting help and service
Appendix A. Getting help and service
Appendix A. Getting help and service
Getting help around the world
Appendix B. Use and care information
Be careful about where and how you work
Caring for your computer
Appendix B. Use and care information
Notice of static-electricity
Carry your computer properly
Be gentle with your computer
Handle storage media and drives properly
For outdoor use
Take care in setting passwords
Data safety
Other important tips
Appendix B. Use and care information
Ergonomic information
Accessibility and comfort
Questions about vision?
What if you are traveling?
General tips for maintenance
Maintenance
Appendix B. Use and care information
Cleaning the cover of your computer
Cleaning your computer keyboard
Cleaning your computer display
What this warranty covers
Appendix C. Lenovo limited warranty
What your service provider will do to correct problems
How to obtain warranty service
Appendix C. Lenovo limited warranty
Information
Replacement of a product or part
Use of personal information
Your additional responsibilities
What this warranty does not cover
Limitation of liability
Dispute resolution
European Economic Area EEA
Other rights
Lenovo Technology B.V. Turkiye Istanbul Subesi
Lenovo Turkey address
Warranty information
Customer Replaceable Unit CRU Service
Types of warranty service
Courier or Depot Service
Appendix C. Lenovo limited warranty On-site 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
100
Export classification notice
101
Energy Star model information
Windows
102
Wireless interoperability
Wireless related information
103
104
Usage environment and your health
105
Safety information related to Mobile Broadband
106
Federal Communications Commission FCC Statement
Electronic emissions notices
107
108
Industry Canada Class B Emission Compliance Statement
German Class B Compliance Statement
Avis de conformité à la réglementation d’Industrie Canada
109
110
111
European Union Compliance Statement Class B Compliance
112
Korea Class B
Japan Compliance Statement for Power line Harmonics
113
General recycling statement
Weee and recycling statements
114
115
EU Weee statements
116
Japan recycling statements
117
Disposing of a Lenovo Computer Components
118
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120
Appendix F. Features and Specifications
Model Name IdeaPad U455
Form Factor
121
Appendix F. Features and Specifications Ports
Others
122
Trademarks
123
Index
Index
124
125
Page
If your product is not working correctly
Do not Return IT to the Store
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