Preventing Static Electricity Discharge; Opening The Case; Removing The Side Panel - eMachines T3104 - 256 MB RAM User Manual

CHAPTER 13: Adding and Replacing Components

Preventing static electricity discharge

To avoid exposure to dangerous electrical
voltages and moving parts, turn off your
computer and unplug the power cord
and modem and network cables before

opening the case.

ESD can permanently damage
electrostatic discharge-sensitive
components in your computer. Prevent
ESD damage by following ESD guidelines
every time you open the computer case.
To prevent risk of electric shock, do not
insert any object into the vent holes of the
power supply.
Opening the case
To avoid exposure to dangerous electrical
voltages and moving parts, turn off your
computer, then unplug the power cord
and modem cable before opening the

Removing the side panel

154
Warning
The components inside your computer are extremely sensitive to static
electricity, also known as electrostatic discharge (ESD).
Caution
Before opening the computer case, follow these guidelines:
Turn off your computer.
■
Wear a grounding wrist strap (available at most electronics stores) and
■
attach it to a bare metal part of your computer.
Warning
Touch a bare metal surface on the back of the computer.
■
Unplug the power cord and the modem and network cables.
■
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.
Your computer case provides easy access to internal components.
Warning
case..
To remove the side panel:
Follow the instructions in
1
page
Shut down your computer, then disconnect the power cord and modem,
2
network, and all peripheral device cables.
Press the power button to drain any residual power from your computer.
3
"Preventing static electricity discharge" on
154.
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