HP Compaq Presario Manual

Upgrading and Servicing Guide

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Upgrading and Servicing Guide iii
Safety Information ......................................................................... 1
Opening and Closing the PC ........................................................... 1
Preparing the PC ......................................................................................1
Before Opening the PC .............................................................................1
After Closing the PC..................................................................................2
Removing the Side Panel ...........................................................................2
Replacing the Side Panel ...........................................................................2
Removing the Front Panel...........................................................................2
Replacing the Front Panel ..........................................................................3
Locating Components Inside the PC ............................................................3
Removing and Replacing Drives ..................................................... 3
Removing a Drive .....................................................................................3
Replacing or Adding a Drive......................................................................4
Removing a Hard Disk Drive ......................................................................5
Replacing or Adding a Hard Disk Drive ......................................................6
Adding Memory ............................................................................. 7
Removing a Memory Module .....................................................................8
Installing a Memory Module ......................................................................8
Removing or Installing an Add-in Card........................................... 9
Removing an Add-in Card .........................................................................9
Installing an Add-in Card...........................................................................9
Replacing the Battery ................................................................... 10
Table of Contents

iv Upgrading and Servicing Guide

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 your user documentation
before installing and connecting your
computer 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 PC model and serial
numbers, all installed options, and other
information about the computer. It is easier to
consult the information in this guide than to open
and examine the PC.
• We recommend that you use an antistatic wrist
strap and a conductive foam pad when working
inside the PC.
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 (floppy disk), memory card
media, or optical disc (CD or DVD) from the PC.
The PC power must be on to remove discs.
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 you
touch them.
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.

2Upgrading and Servicing Guide
After Closing the PC
To avoid injury and equipment damage, always
follow this procedure in this order after closing the PC:
1 Reconnect the power cord.
CAUTION: To reduce the risk of electrical
shock, fire, or damage to the equipment,
do not plug telecommunications or
telephone connectors into the network
interface card (NIC) (labeled as an
Ethernet connector).
2 Reconnect the modem/telephone cable and all
other cables (such as the keyboard, mouse, and
monitor) and external devices.
3 Turn on the PC and all peripherals.
4 If you installed an add-in card, install any software
drivers supplied by the card manufacturer.
Removing the Side Panel
1 Loosen the two thumbscrews (A) that secure the
panel to the PC chassis.
2 Pull back the handle (B) to free the panel, and then
lift it off the unit.
WARNING: Beware of sharp edges inside
the chassis.
Replacing the Side Panel
1 Place the side panel on the chassis with the back of
the panel extended slightly. Ensure the hooks on the
top and bottom of the panel fit into the holes in the
chassis. Slide the panel forward into place.
2 Tighten the thumbscrews (A).
Removing the Front Panel
This procedure is necessary only when removing or
replacing an optical drive, a memory card reader, or
a diskette (floppy) drive.
1 Press the front panel bottom tab (C) on the inside of
the chassis, press the middle tab (D), and then
press the top tab (E).
2 Swing open the front panel and lift it off the
chassis.

Upgrading and Servicing Guide 3
Replacing the Front Panel
1 Align the right side of the front panel with the slots
on the right side of the chassis front, and press the
right side of the front panel into place.
2 Swing the front panel closed, and then press the left
side of the front panel to latch it into place.
Locating Components Inside the PC
AUpper optical drive bay; may be a CD-ROM, CD-RW,
DVD-ROM, DVD+RW/+R, or combination drive.
B, C, D Optical drive bay; may be empty (blank plate) or a
CD-ROM, CD-RW, DVD-ROM, DVD+RW/+R, or
combination drive.
E Diskette (floppy) drive (select models) or may be empty
(blank plate).
F Memory card reader (select models) or may be empty
(blank plate).
G Front connector panel (no replacement instructions).
H Hard disk drive, primary (with operating system partition).
K, L Additional hard disk drives (select models) or may be
empty.
Removing and
Replacing Drives
Your PC has several drives that you can replace or
upgrade. You can add a drive into an empty drive
bay. See the preceding topic, “Locating Components
Inside the PC,” for drive type and location. For hard
disk drives, see “Removing a Hard Disk Drive“ on
page 5.
IMPORTANT: Before adding a new diskette drive,
memory card reader, optical drive, or hard disk drive,
make sure that it is compatible with the Microsoft®
Windows®XP operating system. Also, make sure you
have the correct software and drivers for the drive to
work with the operating system.
Removing a Drive
1 Complete the procedures to prepare the PC, to
remove the side panel, and to remove the front
panel. See “Opening and Closing the PC“ on
page 1.
2 Locate the drive you want to remove.
3 Disconnect the power cable (1) and data cable (2)
from the back of the drive you want to remove, as
indicated in the following illustrations. Use a gentle
rocking motion. Some units may have a sound
cable. If so, disconnect the sound cable (3).
Disconnecting the optical drive cables

4Upgrading and Servicing Guide
Disconnecting the diskette drive cables
Disconnecting the memory card reader drive
cables
4 Release the drive from the chassis by lifting the
tab (1) on the latch drive bracket and then sliding
(2) the drive forward out of the bay. (The latch
drive bracket secures the drives in their respective
positions in the chassis.)
5 Pull the drive out of the drive bay.
6 If you are replacing the old drive with a new drive,
remove the guide screws from the old drive. The
optical drives have two screws on each side; the
memory card reader and diskette drive have two
screws on the left side only. You need these screws
to install the new drive.
Replacing or Adding a Drive
1 If necessary, remove the existing drive. See
“Removing a Drive“ on page 3.
2 If you are adding a drive to an empty drive bay:
a Remove the blank plate from the front cover by
pushing it forward until it snaps out of the cover.
b Remove the shield (F) from the bay by pulling
it out of the chassis. If necessary, insert the tip
of a flat screwdriver between the chassis and
the shield on the left side and then pry the
shield free.

Upgrading and Servicing Guide 5
3 Make sure the jumper on a new optical drive is in
the CS (cable select) position. Your drive may vary
from the illustration.
Cable select jumper
4 Install the guide screws on the sides of the new
drive. (The optical drives have two screws on
each side; the memory card reader and diskette
drive have two screws on the left side only.) The
screws help guide the drive into its proper position
in the bay.
5 Slide the drive into the drive bay, making sure to
align the guide screws with the guide slots. Push the
drive all the way into the bay until the drive snaps
into place.
6 Reconnect the power and data cables to your drive
as indicated in the following illustrations:
Connecting the optical drive cables
NOTE: An optical drive may include a sound cable.
Connect this cable also.
Connecting the diskette drive cables
Connecting the memory card reader drive
cables
7 Complete the procedures to replace the front panel,
replace the side panel, and close the PC. See
“Opening and Closing the PC“ on page 1.
Removing a Hard Disk Drive
The system hard disk drive is the top drive in the
three-drive non-removable cage in the chassis; see
item Hin the figure under “Locating Components
Inside the PC“ on page 3. The other two slots in the
hard disk drive cage are for secondary hard disk
drives (select models).
The hard disk drive is either a Serial ATA (advanced
technology attachment) drive that uses a narrow data
cable, or a Parallel ATA drive that uses a wide data
cable.

6Upgrading and Servicing Guide
CAUTION: Back up your personal files on
the hard disk drive to an external storage
device, such as a CD, before removing the
hard disk drive. Failure to do so will result
in data loss. After replacing the hard disk
drive, you need to run System Recovery
using the recovery discs to load the
factory-installed files.
1 Complete the procedures to prepare the PC, and to
remove the side panel. See “Opening and Closing
the PC“ on page 1.
2 Locate the hard disk drive you want to remove.
3 Disconnect the power cable and data cable from
the back of the drive you want to remove. For a
Serial ATA drive, press the latch (1) (select models
only) in the center of each plug and pull the plug
(2) from the drive connector. For a Parallel ATA
drive, use a gentle rocking motion to free the plug.
Disconnecting the Serial ATA hard disk drive
cables
Disconnecting the Parallel ATA hard disk drive
cables
4 Release the drive from the cage by lifting the
tab (1) on the latch for the hard disk drive cage
and then sliding (2) the drive out of the cage. (The
latch secures the drive in the cage in the chassis.)
Be careful to touch only the sides of the drive.
5 If you are replacing the old drive with a new drive,
remove the four guide screws (two screws on each
side) from the old drive. You need these screws to
install the new drive.
Replacing or Adding a Hard Disk
Drive
1 If necessary, remove the existing drive. See the
previous procedure.
2 For a Parallel ATA drive, make sure the jumper on
the new hard disk drive is in the CS (cable select)
position. Your drive may vary from the illustration.
The Serial ATA drive does not use cable select.
Cable select jumper
3 Install four guide screws on the sides of the new
drive (two screws on each side). The screws help
guide the drive into its proper position in the bay.

Upgrading and Servicing Guide 7
4 Slide the drive into the cage, making sure to align
the guide screws with the guide slots. Push the drive
into the cage and snap it into place.
5 Reconnect the power and data cables to the drive.
Connecting the Serial ATA hard disk drive
cables
Connecting the Parallel ATA hard disk drive
cables
WARNING: For Parallel ATA drives,
connect the IDE data cable end labeled
Master to the primary hard disk drive in
the top slot of the hard disk drive cage. If
you have a second or third hard disk
drive, connect the IDE cable labeled Slave
to them. If the IDE cable is not connected
correctly, the PC will not be able to locate
the hard drives and data may be lost.
6 Complete the procedures to replace the side panel,
and close the PC. See “Opening and Closing the
PC“ on page 1.
Adding Memory
Your PC comes with random access memory (RAM),
which temporarily stores data and instructions on your
PC. The PC ships with one or more memory modules,
but you can replace the existing memory module(s)
with higher-capacity ones.
The motherboard contains sockets for DDR DIMMs
(double data rate dual in-line memory modules). The
exact number of sockets and type of DDR memory
module depends on which model PC you have.
DDR DIMM module example
To determine which type of memory module your
PC uses, and for specific memory module information
and specifications, go to the Web site listed in
your Warranty and Support Guide and click the
Support link.
WARNING: Using the wrong type of
memory module can damage the system.

8Upgrading and Servicing Guide
Removing a Memory Module
1 Complete the procedures to prepare the PC, and to
remove the side panel. See “Opening and Closing
the PC“ on page 1.
2 Gently lay the PC on its side.
3 Locate the memory module sockets on the
motherboard.
CAUTION: When handling a memory
module, be careful not to touch any of
the contacts. Doing so may damage the
module.
4 Move any cabling out of the way, if necessary.
5 Push down the two retaining clips on the ends of
the memory socket until the memory module pops
out of the socket.
WARNING: Do not pull the memory
module out of the socket. Use the
retaining clips to eject the module.
6 Lift the memory module from the memory socket.
Installing a Memory Module
Upgrade the memory in your PC with memory of the
same type and speed as the memory originally
installed in your PC.
CAUTION: When handling a memory
module, be careful not to touch any of the
contacts. Doing so may damage the
module.
1 Open both latches of the memory module socket:
• If you are replacing a memory module, put the
new memory module in the same memory slot
from which the old memory was removed.
Or
• If you are adding a memory module, install the
new module into the socket nearest the
preinstalled module, and install additional
modules in the next available sockets.
2 The memory module can be installed in only one
way. Match the notch on the module with the tab
on the memory socket. Push the module carefully
and firmly into the slot, ensuring that the latches on
both ends snap into place.
3 Set the chassis upright.
4 Complete the procedures to replace the side panel,
and close the PC. See “Opening and Closing the
PC“ on page 1.
NOTE: If your computer shows a blank screen after
you replace or add a memory module, the memory is
installed incorrectly, or it is the wrong type of memory.
Remove and reinstall the memory module.

Upgrading and Servicing Guide 9
Removing or Installing
an Add-in Card
An add-in card is a circuit board, such as a PCI or an
AGP card, that fits into a PC add-in card slot. Your PC
contains several add-in card slots that can be used to
add components to your PC. The PC component
configurations vary by model.
WARNING: Do not overload the system
by installing add-in cards that draw
excessive current. The system is designed
to provide 2 amps (average) of +5 V
power for each board/card in the
computer. The total +5 V current draw in a
fully loaded system (one with all add-in
card slots filled) must not exceed the total
number of slots multiplied by 2 amps.
Removing an Add-in Card
1 Complete the procedures to prepare the PC, and to
remove the side panel. See “Opening and Closing
the PC“ on page 1.
2 Gently lay the PC on its side.
3 Inside the PC, locate the add-in card slots on the
motherboard.
4 Release the latch that retains the cards by pressing
the two tabs at the top of the add-in slots inside the
chassis.
5 Holding the card at each end, carefully rock it back
and forth until the connectors pull free from the
socket, and then remove the card. Be sure not to
scrape the card against the other components.
Store the old card in the anti-static packaging that
contained your new card.
6 If you are not replacing the old add-in card with a
new add-in card, close the open slot by inserting
the metal slot cover into the opened slot.
Installing an Add-in Card
1 Align the edge of the add-in card with the slot
on the chassis and gently but firmly press the
card straight down into the add-in card slot. The
whole connector should be seated properly in the
card slot.
2 Replace the latch by pressing in on the square tabs
on the outside of the chassis. The latch should move
down so that it locks into position over the cards. If
it does not latch, check that each card is completely
seated into its card slot.
3 Set the chassis upright.
4 Complete the procedures to replace the side panel,
and close the PC. See “Opening and Closing the
PC“ on page 1.
NOTE: If the new card or device isn’t working, read
through the card manufacturer’s installation
instructions, and recheck all connections, including
those to the card, power supply, keyboard, and
monitor.

10 Upgrading and Servicing Guide
Replacing the Battery
A lithium battery on the motherboard provides backup
power for the PC’s timekeeping capability. The battery
has an estimated life expectancy of seven years.
When the battery starts to weaken, the date and time
may be incorrect. If the battery fails, replace it with a
CR2032 lithium battery (3 V, 220mAH rating) or an
equivalent battery.
W
ARNING: There is danger of explosion if
the battery is incorrectly replaced. Replace
only with the same, or equivalent, type of
battery. Discard used batteries according
to the manufacturer’s instructions.
1 Complete the procedures to prepare the PC, and to
remove the side panel. See “Opening and Closing
the PC“ on page 1.
2 Gently lay the PC on its side.
3 Remove any cabling, if necessary, to reach the
battery.
4 To remove the battery, push the latch away from the
battery and lift the battery from the socket.
5 Install the new CR2032 battery in the socket, with
the positive (+) side facing the latch.
6 Replace any cabling you removed.
7 Set the chassis upright.
8 Complete the procedures to replace the side panel,
and close the PC. See “Opening and Closing the
PC“ on page 1.

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