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Chapter 7, Computing Comfort and Safety
Page 72
WARNING There is a danger of explosion if the battery is incorrectly replaced. The battery
should be replaced only with the same type or an equivalent type recommended by
the manufacturer. Used batteries must be disposed of according to the manufac-
turer’s instructions.
Handling Your Computer Equipment
Follow these guidelines for handling your computer and its components:
• When setting up your computer, place components on a sturdy, flat surface and
carefully follow all setup instructions. Refer to
“Selecting the Proper
Environment” on page 8 for suggestions about where to locate your computer.
• When connecting or disconnecting a computer cable, always hold the cable by
its connector (the plug), not by the cord.
• Turn off your computer and all its components before connecting or
disconnecting any cables to add or remove any components. Failure to do so
can seriously damage your equipment. For additional safeguards, refer to
“Precautions to Follow Before Upgrading” on page 42 .
• Never force a connector into a port. Make sure the connector matches the port
and that you have positioned the connector correctly in relation to the port. If
the connector and port do not join with reasonable ease, they probably do not
match or else the connector end needs to be rotated 180°.
• Protect the computer and its components from direct sunlight as well as rain or
other moisture.
• Keep all computer ventilation openings clear and unobstructed. Without proper
air circulation, components can overheat, causing damage or unreliable
operation.
• Your computer is intended to be electrically grounded and is equipped with a
grounding plug . Insert the plug into a three-hole grounded outlet. Do not defeat
the purpose of the grounding plug by trying to plug it into a two-hole outlet.
Power Supply
The power supply in your computer is a high-voltage component and should not be
opened for any reason, even when the computer is off. In the unlikely event the
power supply needs service, contact your qualified service provider.