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Static Electricity Prevention; Power Cords And Power Adapters - Lenovo 30221CU - H230 CORE2DUO 500GB Desktop Safety And Warranty Manual

Lenovo 3000 h series safety and warranty guide v3.7.
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Static electricity prevention

Static electricity, although harmless to you, can seriously damage computer
components and options. Improper handling of static-sensitive parts can cause
damage to the part. When you unpack an option or CRU, do not open the static-
protective package containing the part until the instructions direct you to install it.
When you handle options or CRUs, or perform any work inside the computer, take
the following precautions to avoid static-electricity damage:
• Limit your movement. Movement can cause static electricity to build up around
• Always handle components carefully. Handle adapters, memory modules, and
other circuit boards by the edges. Never touch exposed circuitry.
• Prevent others from touching components.
• 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.
• When 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 static-protective packaging on a smooth, level surface and place the
part on it.
• Do not place the part on the computer cover or other metal surface.

Power cords and power adapters

Use only the power cords and power adapters supplied by the product
The power cords shall be safety approved. For Germany, it shall be H05VV-F,
3G, 0.75 mm
, or better. For other countries, the suitable types shall be used
Never wrap a power cord around a power adapter or other object. Doing so can
stress the cord in ways that can cause the cord to fray, crack, or crimp. This can
present a safety hazard.
Always route power cords so that they will not be walked on, tripped over, or
pinched by objects.
Protect power cord and power adapters from liquids. For instance, do not leave
your power cord or power adapter near sinks, tubs, toilets, or on floors that are
cleaned with liquid cleansers. Liquids can cause a short circuit, particularly if the
Safety and warranty guide


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