Compaq Presario SR1000 Presario Desktop PCs - Upgrading and Servicing Guide - Page 5

Safety Information, Opening and Closing the PC

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Safety Information This product has not been evaluated for connection to an "IT" power system (an AC distribution system with no direct connection to earth, according to IEC 60950). WARNING: Please read "Safety Information" in the User's Guide before installing and connecting your system to the electrical power system. Opening and Closing the PC • Write down and save the system model and serial numbers, all installed options, and other information about the system. It will be easier to consult this information than to open up and examine the PC. • Compaq recommends that you use an antistatic wrist strap and a conductive foam pad when working on the system. WARNING: Always disconnect the modem cord from the telephone system, and then disconnect the PC from the power source before removing the front and side panels of the PC. Failure to do so before you open the PC or do any procedures can result in personal injury or equipment damage. Preparing the PC Before you upgrade any component in your PC, you need to prepare the PC so that you can safely handle it and the components. Read the following items before attempting to upgrade or service the PC. • These procedures assume familiarity with the general terminology associated with personal computers and with the safety practices and regulatory compliance required for using and modifying electronic equipment. Before Opening the PC 1 Remove any diskette or optical disc (CD or DVD) from the PC. 2 Click the Start button, and then click Turn Off Computer. Click Turn Off. 3 Disconnect the modem/telephone cable, if present. CAUTION: To reduce the risk of personal injury from electrical shock or hot surfaces, disconnect the power cord from the wall outlet, and allow the internal system components to cool before touching. 4 Disconnect the power cord from the electrical outlet and then from the PC. 5 Disconnect all other attached cables (such as the keyboard, mouse, and monitor) and all external devices. CAUTION: Static electricity can damage the electronic components of the PC or optional equipment. Ensure that you are discharged of static electricity by briefly touching a grounded metal object. Upgrading and Servicing Guide 1

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Upgrading and Servicing Guide
1
Safety Information
This product has not been evaluated for connection to
an “IT” power system (an AC distribution system with
no direct connection to earth, according to
IEC 60950).
WARNING: Please read “Safety
Information” in the
User’s Guide
before
installing and connecting your system to
the electrical power system.
Opening and Closing the PC
Preparing the PC
Before you upgrade any component in your PC, you
need to prepare the PC so that you can safely handle
it and the components.
Read the following items before attempting to upgrade
or service the PC.
These procedures assume familiarity with the
general terminology associated with personal
computers and with the safety practices and
regulatory compliance required for using and
modifying electronic equipment.
Write down and save the system model and serial
numbers, all installed options, and other
information about the system. It will be easier to
consult this information than to open up and
examine the PC.
Compaq recommends that you use an antistatic
wrist strap and a conductive foam pad when
working on the system.
WARNING: Always disconnect the modem
cord from the telephone system, and then
disconnect the PC from the power source
before removing the front and side panels
of the PC. Failure to do so before you
open the PC or do any procedures can
result in personal injury or equipment
damage.
Before Opening the PC
1
Remove any diskette or optical disc (CD or DVD)
from the PC.
2
Click the
Start
button, and then click
Turn Off
Computer
. Click
Turn Off
.
3
Disconnect the modem/telephone cable, if present.
CAUTION: To reduce the risk of personal
injury from electrical shock or hot
surfaces, disconnect the power cord from
the wall outlet, and allow the internal
system components to cool before
touching.
4
Disconnect the power cord from the electrical outlet
and then from the PC.
5
Disconnect all other attached cables (such as the
keyboard, mouse, and monitor) and all external
devices.
CAUTION: Static electricity can damage
the electronic components of the PC or
optional equipment. Ensure that you are
discharged of static electricity by briefly
touching a grounded metal object.