Appendix B. Use And Care Information; Caring For Your Computer - Lenovo IDEAPAD U150 User Manual

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 into your
keyboard can cause damage.
• Store packing materials safely out of the reach of children to prevent the
risk of suffocation from plastic bags.
• Keep your computer away from magnets, activated cellular phones,
electrical appliances, or speakers (within 13 cm or 5 in).
• Avoid subjecting your computer to extreme temperatures (below 5°C/
41°F or above 35°C/95°F).
• Some appliances, such as certain portable desktop fans or air purifiers,
can produce negative ions. If a computer is close to such an appliance,
and is exposed for an extended time to air containing negative ions, it
may become electrostatically charged. Such a charge may be discharged
through your hands when you touch the keyboard or other parts of the
computer, or through connectors on I/O devices connected to it. Even
though this kind of electrostatic discharge (ESD) is the opposite of a
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