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speak to the Customer Support Center for further guidance. See "Information
resources" on page xiii for more information.
v Power cords, plugs, power adapters, extension cords, surge protectors, or power
v Signs of overheating, smoke, sparks or fire.
v Damage to a battery (such as cracks, dents, creases), discharge from a battery, or
v A cracking, hissing or popping sound, or strong odor that comes from the
v Signs that liquid has been spilled or an object has fallen onto the computer
v The computer product, the power cord or power adapter has been exposed to
v The product has been dropped or damaged in any way.
v The product does not operate normally when you follow the operating
Note: If you notice these conditions with a product (such as an extension cord)
General safety guidelines
Always observe the following precautions to reduce the risk of injury and property
damage.
Service
Do not attempt to service a product yourself unless instructed to do so by the
Customer Support Center or your documentation. Use only a service provider who
is approved to repair your particular product.
Note: Some parts can be upgraded or replaced by the customer. These parts are
Although there are no moving parts in your computer after the power cord has
been disconnected, the following warnings are required for proper UL certification.
vi
User Guide
supplies that are cracked, broken or damaged.
a buildup of foreign substances on the battery.
product.
product, the power cord or power adapter.
water.
instructions.
that is not manufactured for or by Lenovo, stop using that product until you
can contact the product manufacturer for further instructions, or until you
get a suitable replacement.
referred to as Customer Replaceable Units, or CRUs. Lenovo expressly
identifies CRUs as such, and provides documentation with instructions
when it is appropriate for customers to replace those parts. You must closely
follow all instructions when performing such replacements. Always make
sure that the power is turned off and that the product is unplugged from
any power source before you attempt the replacement. If you have any
questions or concerns, contact the Customer Support Center.
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