HP 79XXY User manual

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upgrading and
servicing the pc

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The information in this document is subject to change without
notice.
Hewlett-Packard®Company makes no warranty of any kind with
regard to this material, including, but not limited to, the implied
warranties of merchantability and fitness for a particular purpose.
HP shall not be liable for errors contained herein or for incidental
or consequential damages in connection with the furnishing,
performance, or use of this material.
HP assumes no responsibility for the use or reliability of its software
on equipment that is not furnished by HP.
This document contains proprietary information that is protected by
copyright. All rights are reserved. No part of this document may be
photocopied, reproduced, or translated to another language
without the prior written consent of HP.
Hewlett-Packard Company
Home Products Division
P.O. Box 4010
Cupertino, CA 95015-4010
USA
© Hewlett-Packard Company, 2001. All rights reserved.
Hewlett-Packard is a registered trademark of Hewlett-Packard
Company in the United States of America and other countries.
Other brand or product names are trademarks of their respective
holders.

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Features of the HP Pavilion home PC .... 1
Opening the Computer ......................... 2
Before You Begin .............................................. 3
Removing the Side Panel ................................... 4
Removing the Fan Duct ...................................... 5
Removing the Drive Cage .................................. 6
Adding Memory................................... 7
DIMMs ............................................................ 8
DDR DIMMs ..................................................... 8
RIMMs............................................................. 8
Installing a Memory Module .............................. 9
Removing a Memory Module ........................... 11
Installing Add-In Cards....................... 12
What Is Plug and Play? ................................... 14
If the New Card or Device Isn’t Working ........... 14
Adding and Removing Drives............. 15
Installing a Second Hard Drive......................... 15
Removing the Preinstalled Hard Drive ............... 16
Replacing the Diskette Drive............................. 17
Replacing the Optical Drive............................. 18
Replacing the Battery......................... 20
Closing the Computer......................... 21
Replacing the Drive Cage................................ 21
Replacing the Fan Duct ................................... 23
Replacing the Side Panel................................. 23
Regulatory and Safety Information .... 25
ENERGY STAR Compliance ............................. 28
Operating Specifications................................. 41
Index ................................................ 42
Contents

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hp pavilion home pc
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Features of the
HP Pavilion home PC
On the top of the chassis is a CD holder (A).
Store the CDs that came with the HP Pavilion
inside this compartment, so you can quickly
locate them if you ever need to reinstall any
of the system applications.
To connect components to the front of the PC, flip
up the port cover (B) and plug the cables into the
corresponding connectors.
B
A
Note:
The power supply is pre-set for the country in which
you purchased the HP Pavilion. If you move to
another location, please make sure you check the
voltage requirements in the country you reside
before turning on the PC.

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hp pavilion home pc
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Opening the Computer
Warning:
The HP Pavilion is heavy; be
sure to use ergonomically correct lifting
procedures when moving the computer.
Avertissement :
L’ordinateur
HP Pavilion est lourd ; suivez des
procédures ergonomiques lorsque vous l
e
déplacez.
Warning:
Electrostatic discharge (ESD)
can damage disk drives, add-in cards,
and other components. If an ESD station
is not available, wear a wrist strap
attached to a metal part of the computer.
Place cards on a conductive foam pad or
inside the conductive wrapper they came
in; do not place the cards on top of the
wrapper.
Avertissement :
Des décharges
électrostatiques peuvent endommager les
unités de disque, cartes d’extension et
autres composants. Si vous ne disposez
pas d’une station de protection contre les
décharges électrostatiques, portez un
bracelet antistatique reliéàune partie
métallique de l’ordinateur. Placez les
cartes sur un tapis en mousse conducteur
ou dans leur emballage, mais ne les
posez jamais sur leur emballage.
Warning:
Do not operate the system
with the cover removed. Always replace
the cover before turning on the system.
Avertissement :
N’utilisez pas le
système lorsque son capot est ouvert.
Remettez toujours le capot en place
avant de mettre le système sous tension.

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Before You Begin
Read the following items before attempting to
upgrade or service the computer:
3These 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.
3Set up an equipment log to record the system
model and serial numbers, all installed
options, and other information about the
system. If you need this information, it will be
easier to consult the log than to open up and
examine the system.
3HP recommends that you use an antistatic wrist
strap and a conductive foam pad when
working on the system.
3Disconnect the system from any
telecommunications links, networks,
or modems, and then disconnect the system
power source before performing any of the
procedures described in this guide. Failure to
do so before you open the system or do any
procedures can result in personal injury or
equipment damage.
Note:
Disconnect the modem/phone cable before
disconnecting the power cord from the system.
To gain access to the inside of the computer,
remove the side panel.
Warning:
Please read the
“Additional
Safety Information”
located at the end of
this document before installing and
connecting your system to the electrical
power system.
Avertissement :
Prière de lire les
consignes additionnelles de sécurité
àla
fin de ce document avant d’installer et
d’alimenter votre système informatique.

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Removing the Side Panel
You must remove the side panel to add memory,
insert add-in cards, install or remove drives, or
change the battery.
1Turn off the computer and all peripherals.
2Disconnect the modem/phone cable.
3Disconnect the power cord and all other
attached cables (such as the keyboard, mouse,
and monitor).
4Loosen the two thumbscrews on the right side
of the back panel. The first time you loosen
these screws you’ll need a flathead
screwdriver. (These screws do not detach;
they’ll stay on the side panel loosely until you
tighten them again.)
5Stand behind the computer, and place one
hand on top of the chassis.
6Grasp the handle (A) with your other hand
and pull the panel towards you until it stops.
A
7Lift the panel up and out. Set the panel aside.

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Removing the Fan Duct
To access some components on the motherboard,
you may need to remove the fan duct.
Note:
Make sure the computer is turned off and the
modem/phone cable and power cord are
disconnected from the computer.
1Remove the side panel (see “Removing the
Side Panel”on page 4).
2Gently lay the computer on its side.
3To disengage the fan duct (B), push down on
the two tabs (C). You can push with your
fingers or a pen.
C
B
4Rotate the fan duct down and out to remove it
from the chassis.

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Removing the Drive Cage
The HP Pavilion has two drive cages. The top
cage that holds the CD drive(s) is stationary. The
bottom cage holds the diskette and hard drive
and is removable. You may need to remove this
bottom drive cage to access internal components
or to add or replace a hard drive.
Note:
Make sure the computer is turned off and the
modem/phone cable and power cord are
disconnected from the computer.
1Remove the side panel (see “Removing the
Side Panel”on page 4).
2Gently lay the computer on its side.
3Remove the fan duct (see “Removing the Fan
Duct”on page 5).
4Remove the power and IDE cables from the
back of the diskette and hard drives. Make
note of each connection before disconnecting
the cables.
5Push down on the drive cage release tab (D).
D
6Hold the release tab down as you rotate the
cage up and lift it out.