Lenovo ThinkCentre M51e, Quick Reference

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Frequently inspect your computer and its components for damage or wear or
signs of danger. If you have any question about the condition of a
component, do not use the product. Contact the IBM Support Center or the
product manufacturer for instructions on how to inspect the product and
have it repaired, if necessary. The telephone numbers for your IBM Support
Center location are located in the “Help and Service” section later in this
guide.
In the unlikely event that you notice any of the conditions listed below, 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 IBM Support Center for further guidance.
The telephone numbers for your IBM Support Center location are located in
the “ Help and Service ” section later in this guide.
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Power cords, plugs, power adapters, extension cords, surge protectors, or
power supplies that are cracked, broken or damaged.
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Signs of overheating, smoke, sparks or fire.
v
Damage to a battery (such as cracks, dents, creases), discharge from a
battery, or a buildup of foreign substances on the battery.
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A cracking, hissing or popping sound, or strong odor that comes from the
product.
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Signs that liquid has been spilled or an object has fallen onto the computer
product, the power cord or power adapter.
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The computer product, the power cord or power adapter has been exposed
to water.
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The product has been dropped or damaged in any way.
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The product does not operate normally when you follow the operating
instructions.
Note: If you notice these conditions with a non-IBM product (such as an
extension cord), stop using that product until you can contact the product
manufacturer for further instructions, or until you get a suitable replacement.
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
IBM Support Center. Use only an authorized IBM service provider who is
approved to repair your particular product.
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Quick Reference