General Safety Guidelines; Service - Lenovo ThinkCentre 8700 User Manual

In the unlikely event that you notice any of the following conditions, or if you
have any safety concerns with your product, stop using the product and unplug
it from the power source and telecommunication lines until you can speak to the
Customer Support Center for further guidance.
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, 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. Only use a service provider who
is approved to repair your particular product.
Note: Some computer parts can be upgraded or replaced by the customer. These
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, 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.
parts are 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. For
more information on CRUs, refer to the warranty and safety information
that is provided with your computer. If you have any questions or concerns,
contact the Customer Support Center.