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Upgrading Your Notebook
Preventing static electricity discharge
The components inside your computer are extremely sensitive to static
electricity, also known as electrostatic discharge (ESD).
Before opening the computer case, follow these guidelines:
■
Turn off the computer power.
■
Wear a grounding wrist strap (available at most electronics stores) and
attach it to a bare metal part of the computer.
■
Touch a bare metal surface on the back of the computer.
■
Unplug the power cord and modem cable.
■
Remove the battery.
Before working with computer components, follow these guidelines:
■
Avoid static-causing surfaces such as carpeted floors, plastic, and packing
foam.
■
Remove components from their antistatic bags only when you are ready
to use them. Do not lay components on the outside of antistatic bags
because only the inside of the bags provide electrostatic protection.
■
Always hold expansion cards by their edges or their metal mounting
brackets. Avoid touching the edge connectors and components on the
cards. Never slide expansion cards or components over any surface.
Caution ESD can permanently damage electrostatic discharge
sensitive components in the computer. Prevent ESD
damage by following ESD guidelines every time you open
the computer case.
Warning To avoid exposure to dangerous electrical voltages and
moving parts, turn off your computer and unplug the power
cord and modem cable before opening the case.