Lenovo B450 Laptop User Guide

Appendix A. Getting help and service
57
If possible, be near your computer when you make your call in case the 
technical assistance representative needs to help you resolve a computer 
problem. Please ensure that you have downloaded the most current drivers 
and system updates, and recorded information before you call. When 
calling for technical assistance, please have the following information 
available:
 Machine Type and Model
 Serial number of your computer and your proof of purchase
 Description...

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Appendix A. Getting help and service
Getting help around the world  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
If you travel with your computer or relocate it to a country where your 
Lenovo machine type is sold, your computer might be eligible for 
International Warranty Service, which automatically entitles you to obtain 
warranty service throughout the warranty period. Service will be 
performed by service providers authorized to perform warranty...

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Appendix B. Use and care information
Caring for your computer  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Though your computer is designed to function reliably in normal work 
environments, you need to use common sense in handling it. By following 
these important tips, you will get the most use and enjoyment out of your 
computer.
„Be careful about where and how you work
 Do not eat or smoke over your keyboard. Particles that fall...

60
Appendix B. Use and care information
discharge from your body or clothing to the computer, it poses the same 
risk of a computer malfunction.
Your computer is designed and manufactured to minimize any effects of 
electrostatic charge. An electrostatic charge above a certain limit, 
however, can increase the risk of ESD. Therefore, when using the 
computer close to an appliance that can produce negative ions, give 
special attention to the following:
-  Avoid directly exposing your computer to the air...

Appendix B. Use and care information
61
-  When you install a static-sensitive option or CRU, touch the static-
protective package containing the part to a metal expansion-slot cover
or other unpainted metal surface on the computer for at least two
seconds. This reduces static electricity in the package and your body.
-  Whenever possible, remove the static-sensitive part from the static-
protective packaging and install the part without setting it down.
When this is not possible, place the...

62
Appendix B. Use and care information
 When picking up your open computer, hold it by the bottom. Do not 
pick up or hold your computer by the display.
 Use a quality carrying case that provides adequate cushion and 
protection. Do not pack your computer in a tightly packed suitcase or 
bag.
„For outdoor use
 Backup your critical data before you take your computer outdoors.
 Ensure that the battery is full.
 Be sure to turn off the power and close the LCD well.
 When you leave the computer in your car,...

Appendix B. Use and care information
63 „Data safety
 Do not delete unknown files or change the name of files or directories 
that were not created by you; otherwise, your computer software might 
fail to work.
 Be aware that accessing network resources can leave your computer 
vulnerable to computer viruses, hackers, spyware, and other malicious 
activities that might damage your computer, software, or data.
 It is your responsibility to ensure that you have adequate protection in 
the form of...

64
Appendix B. Use and care information
 Register your Lenovo products with Lenovo (refer to the Web page: 
http://consumersupport.lenovo.com
). This can help authorities return 
your computer to you if it is lost or stolen. Registering your computer 
also enables Lenovo to notify you about possible technical information 
and upgrades.
 Only an authorized Lenovo repair technician should disassemble and 
repair your computer.
 Do not modify or tape the latches to keep the display open or closed.
 Take...

Appendix B. Use and care information
65
Accessibility and comfort - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
„Ergonomic information 
Working in the virtual office may mean adapting to frequent changes in 
your environment. Following some simple rules will make things easier 
and bring you the maximum benefits of your computer. Keeping in mind 
such basics as good lighting and proper seating, for example, can help you 
improve your...

66
Appendix B. Use and care information
„What if you are traveling? 
It may not be possible to observe the best ergonomic practices when you 
are using your computer while on the move or in a casual setting. 
Regardless of the setting, try to observe as many of the tips as possible. 
Sitting properly and using adequate lighting, for example, will help you 
maintain desirable levels of comfort and performance.
„Questions about vision? 
Your computer ’s visual display screen is designed to meet the highest...