3.Disconnect any devices connected to the computer, including the monitor, from their electrical outlets to reduce the potential for personal injury or shock. Also, disconnect any telephone or telecommunication lines from the computer.
4.Disconnect the power cable to your computer, and then press the power button to ground the system board.
In addition, take note of these safety guidelines when appropriate:
•When you disconnect a cable, pull on its connector or on its
•Handle components and cards with care. Don’t touch the components or con- tacts on a card. Hold a card by its edges or by its metal mounting bracket.
CAUTION: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type recom- mended by the manufacturer. Discard used batteries according to the manufacturer’s instructions.
Protecting Against Electrostatic Discharge
Static electricity can harm delicate components inside your computer. To prevent static damage, discharge static electricity from your body before you touch any of your computer’s electronic components, such as the microprocessor. You can do so by touching an unpainted metal surface on the computer chassis.
As you continue to work inside the computer, periodically touch an unpainted metal surface to remove any static charge your body may have accumulated.
You can also take the following steps to prevent damage from electrostatic discharge (ESD):
•When unpacking a
•When transporting a sensitive component, first place it in an antistatic container or packaging.
•Handle all sensitive components in a
The following notice may appear throughout this document to remind you of these precautions:
NOTICE: See “Protecting Against Electrostatic Discharge” in the safety instructions at the front of this guide.
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