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Lenovo IdeaPad U455 User Guide V1.0 - Page 2
... use , reproduction, or disclosure is subject to restrictions set forth in this guide may not apply to you are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted rights to most models. LENOVO products, data, computer software, and services have been developed exclusively at private expense and are...
Lenovo IdeaPad U455 User Guide V1.0 - Page 7
... Internet .... 31 Wired connection 31 Wireless connection 33
Chapter 4. Troubleshooting .......42 Frequently Asked Questions ....42 Troubleshooting 45
Chapter 6. Getting help and service 64
Getting help on the Web ...........65 Calling the customer support center 65 Getting help around the world 68 Lenovo warranty service telephone numbers 68
i Getting to know your computer 28
Chapter...
Lenovo IdeaPad U455 User Guide V1.0 - Page 48
... Chapter 3. Using the Internet
„ Using Wi-Fi/WiMax (Select models only) Enabling wireless connection
To enable wireless communications, do the following:
1 Slide the integrated wireless device switch to . 2 Press Fn + F5 to configure your Internet Service Provider (ISP) and search Windows Help and Support Center for details on how to make configuration.
Lenovo IdeaPad U455 User Guide V1.0 - Page 49
...models only)
Before getting started with Mobile Broadband, you first need : • To activate the Mobile Broadband service through your local mobile
network operator. Chapter 3. For instructions... service.
35 The Lenovo Mobile Broadband module may support ... TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) ƒ SCDMA (Synchronous Code Division Multiple Access) ƒ EV...
Lenovo IdeaPad U455 User Guide V1.0 - Page 57
... this guide. OneKey Rescue system" on page 82. See "Appendix A.
Your computer did not come with an operating system, Lenovo provides all the drivers you need in your hard disk.
43 Chapter 5. Troubleshooting
Where are the recovery discs? Lenovo limited warranty" on page 39. How can I contact the customer support center? A compatible device driver is pre-installed with...
Lenovo IdeaPad U455 User Guide V1.0 - Page 59
... electrical outlet. - The AC adapter is connected to your Windows environment or the entire contents of your problem here, see only the cursor on the screen.
The memory is installed correctly.
• If these items are properly set, and the screen remains blank, have the computer serviced.
45 Chapter 5. Troubleshooting
Troubleshooting
If you still see Chapter 2.
Lenovo IdeaPad U455 User Guide V1.0 - Page 61
... cool and to have the system board replaced.
Keyboard problems
A number appears when you enter a letter.
• The numeric lock function is required, and a fee will be charged for sleep mode.
47 Check the settings for parts and service.
• If you forget your HDD password, a Lenovo authorized servicer cannot reset your password. You must take your computer to...
Lenovo IdeaPad U455 User Guide V1.0 - Page 63
Troubleshooting
Computer screen problems
The screen is blank.
• Do the following problem "The screen is on the screen. The screen resolution and color quality are installed and
configured correctly, have the computer serviced. The monitor type is off . If they are
correctly set.
- The Mute function is correct.
Sound problems
No sound can be heard from the...
Lenovo IdeaPad U455 User Guide V1.0 - Page 79
... what action is necessary to solve problems, find support information for the Lenovo home page is determined to be caused by telephone through the customer support center. The following services are available to assist you
with your computer, and learn how to fix the problem. • Lenovo hardware repair - The address for your Lenovo IdeaPad™ computer at http...
Lenovo IdeaPad U455 User Guide V1.0 - Page 81
... drivers and system updates, and recorded information before you call in case the technical assistance representative needs to help and service
If possible, be near your computer when you have the following information available: • Machine Type and Model • Serial number of your computer and your proof of purchase • Description of the problem...
Lenovo IdeaPad U455 User Guide V1.0 - Page 97
... you may differ from location to correct problems
When you contact a Service Provider, you to diagnose and resolve your service provider will attempt to download and install designated software updates.
83 A list of them is available at www.lenovo.com/support/phone. Charges may direct you must follow the problem determination and resolution procedures specified.
Appendix C. Each...
Lenovo IdeaPad U455 User Guide V1.0 - Page 99
... and at least functionally equivalent to :
1 remove all features, parts, options, alterations, and attachments not
under warranty service;
2 ensure that the product or part is free of a product or part, the replaced product or part becomes Lenovo's property and the replacement product or part becomes your Service Provider replaces a product or part, you do not own it will be warranted for...
Lenovo IdeaPad U455 User Guide V1.0 - Page 101
... caused by , any third party products, including those regarding product set-up and installation.
This warranty is voided by removal or alteration of , or damage caused by a non-authorized service provider; • failure of identification labels on the product or its parts.
87 Lenovo limited warranty
„ What this warranty does not cover
This warranty...
Lenovo IdeaPad U455 User Guide V1.0 - Page 131
If you are a company employee who uses a Lenovo notebook computer and need to dispose of a Lenovo Computer Components
Some Lenovo computer products sold in Lenovo sales, service, or marketing, and follow that contain heavy metals or other environmental sensitive substances. You also can refer to the instructions at home and need to dispose of disused components, such...
Lenovo IdeaPad U455 User Guide V1.0 - Page 137
... Cleaning
Computer cover 79 Computer display 81 Computer keyboard 80 Customer Replaceable Unit (CRU) ... 96 Customer support center 65
F
FCC Statement 107 Frequently Asked Questions 42 Function key combinations 18
H
Hard disk drive Problems 50
Help Help and service 64 on the Web 65
Hibernation mode problems 47
K
Keyboard Cleaning 80 Problems 47 Using 17
123
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