Upgrading and Servicing Guide
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Table of Contents
Safety Information ......................................................................... 1
Opening and Closing the PC ........................................................... 1
Preparing the PC ......................................................................................1
Before Opening the PC .............................................................................2
After Closing the PC..................................................................................2
Removing the Side Panel ...........................................................................2
Replacing the Side Panel ...........................................................................3
Removing the Front Panel...........................................................................3
Replacing the Front Panel ..........................................................................3
Locating Components Inside the PC ............................................................4
Removing and Replacing Drives ..................................................... 4
Removing an Optical Drive ........................................................................4
Replacing or Adding an Optical Drive ........................................................5
Removing a Memory Card Reader..............................................................5
Installing a Memory Card Reader ...............................................................6
Removing a Hard Disk Drive ......................................................................6
Replacing a Hard Disk Drive ......................................................................8
Adding Memory ............................................................................. 9
Removing a Memory Module .....................................................................9
Installing a Memory Module ......................................................................9
Removing or Installing an Add-in Card......................................... 10
Removing an Add-in Card .......................................................................10
Installing an Add-in Card.........................................................................11
Replacing the Battery ................................................................... 11
Upgrading and Servicing Guide
iii
iv Upgrading and Servicing Guide
Safety Information
W
before removing the front and side panels
Opening and Closing the PC
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 Warranty and
Support Guide before installing and
connecting your system to the electrical
power system.
The Upgrading and Servicing Guide provides
instructions on how to remove and replace hardware
components of your PC.
To open the lid of your PC, gently push down on the
lid before sliding it back.
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’s easier to consult
this information than to open up and examine
the PC.
• It is recommended that you use an antistatic wrist
strap and a conductive foam pad when working on
the system.
ARNING: Always disconnect the modem
cord from the telephone system, and then
disconnect the PC from the power source
of the PC. Failure to do so before you
open the PC or do any procedures can
result in personal injury or equipment
damage.
Upgrading and Servicing Guide 1
Before Opening the PC
To avoid injury and equipment damage, always
follow this procedure in this order before opening
the PC:
1 Remove any diskette or optical disc (CD or DVD)
from the PC.
2 Click the Start button on the taskbar. Click Turn
Off Computer and then click Turn O ff again.
3 Disconnect the modem/telephone cable, if present.
WARNING: 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).
3 Reconnect external devices.
4 Turn on the PC and all peripherals such as the
monitor.
5 If you installed an add-in card, install any software
drivers supplied by the card manufacturer.
Removing the Side Panel
6 Disconnect 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.
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.
WARNING: 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 attached cables (such as the keyboard,
mouse, and monitor).
1 See “Before Opening the PC” on page 2.
2 Loosen the two thumbscrews on the right side of the
back panel. The first time you loosen these screws,
you may need to use a Phillips screwdriver.
WARNING: Beware of sharp edges inside
the chassis.
3 Slide the panel back about 2.5 cm (1 inch), lift it
off the PC, and set it aside.
NOTE: You do not need to remove the other side
panel to replace the hardware listed in this guide.
2 Upgrading and Servicing Guide
Replacing the Side Panel
1 Slide the side panel forward on the frame until it
locks into place.
2 Align the thumbscrews on the side panel with the
holes on the back of the chassis frame, and then
tighten the thumbscrews on the side panel.
3 See “After Closing the PC” on page 2.
Removing the Front Panel
1 Locate the three small tabs attached to the front
panel on the side of the chassis.
2 Press each tab away from the center of the chassis.
Press the top, the middle, and the bottom tab, and
then gently remove the front panel.
Replacing the Front Panel
1 Place the chassis upright, and then align the three
tabs on the right side of the front panel with the
correct holes on the chassis.
2 Guide the three small tabs on the left side of the
front panel into the correct holes until the panel
snaps into place.
This procedure is necessary only when removing or
replacing an optical drive, a memory card reader, or
a hard disk drive.
Upgrading and Servicing Guide 3
Locating Components Inside the PC
A Memory card reader
B Upper optical drive bay, may be a CD-ROM,
CD-RW, DVD-ROM, DVD+RW, or combination
drive
IMPORTANT: Before adding a new optical 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 optical
drive to work with the operating system.
C Lower optical drive bay, may be empty (blank
plate) or a CD-ROM, CD-RW, DVD-ROM,
DVD+RW, or combination drive
D Hard disk drive (located behind the
HP Personal Media Drive bay)
E HP Personal Media Drive bay
NOTE: The HP Personal Media drive is a removable,
large capacity hard disk drive that is sold separately.
Removing an Optical Drive
1 Complete the procedures to prepare the PC and to
remove the side panel. See “Opening and Closing
the PC” on page 1.
2 Remove the front panel. See “Removing the Front
Panel” on page 3.
Removing and
Replacing Drives
Your PC includes several drives that you can replace
or upgrade. See “Locating Components Inside the PC”
on page 4.
You can add an optical drive to an empty lower
optical bay.
4 Upgrading and Servicing Guide
3 Lift the plastic tabs on the side of the optical drive
you want to remove. Push the drive part way out
through the front of the PC.
NOTE: You do not need to remove the screws
on the side of the optical drive to remove it from
the PC.
4 Make a note of each cable and plug orientation
attached to the back of the optical drive you want
to replace before removing the cables.
5 Disconnect the power cable and data cable from
the back of the optical drive, using a gentle rocking
motion. Disconnect the sound cable, if present.
6 Pull the drive out through the front of the PC.
7 If you are replacing the old drive with a new drive,
remove the four guide screws from the old drive.
You need these screws to install the new drive.
Replacing or Adding
an Optical Drive
1 Complete the procedures to prepare the PC and to
remove the side panel. See “Opening and Closing
the PC” on page 1.
2 Remove the front panel. See “Removing the Front
Panel” on page 3.
3 If your optical drive bay is empty, remove the
drive cover by pressing the tabs on each side of the
drive cover, and then pulling it toward you and out
of the PC.
4 Screw all four guide screws into the sides of your
optical drive. Refer to the instructions that came
with your optical drive.
5 Slide the new optical drive through the front of the
PC. Don’t slide the drive in all the way; you need
room to attach the cables.
6 Connect the power cable and data cable to the
back of the optical drive. Some drive models may
have a sound cable. If so, connect the sound cable.
7 Push the optical drive all the way in through the
front of the PC until it snaps into place.
8 Replace the front panel. See “Replacing the Front
Panel” on page 3.
9 Complete the procedures to replace the side panel,
and to close the PC. See “Opening and Closing the
PC” on page 1.
Removing a Memory Card Reader
Your PC has a memory card reader above your
optical drive. You can replace it with another memory
card reader.
To ensure that the drive fits properly into the PC, be
sure to purchase the replacement memory card reader
from HP. Refer to the Warranty and Support Guide for
contact information.
1 Complete the procedures to prepare the PC and to
remove the side panel. See “Opening and Closing
the PC” on page 1.
2 Remove the front panel. See “Removing the Front
Panel” on page 3.
3 Remove the screw under the memory card reader.
Upgrading and Servicing Guide 5
4 Pull the memory card reader part way out of the
front of the PC.
5 Remove the cable attached to the side of the
memory card reader.
Installing a Memory Card Reader
Removing a Hard Disk Drive
The hard disk drive of your PC is attached to your
HP Personal Media Drive bay. The hard disk drive is
preloaded with the system recovery partition of your
PC. If you remove this hard disk drive, store it in an
antistatic bag that is properly sealed.
1 Complete the procedures to prepare the PC and to
remove the side panel. See “Opening and Closing
the PC” on page 1.
2 Remove the front panel. See “Removing the Front
Panel” on page 3.
3 See “Removing a Memory Card Reader” on
page 5.
4 Attach the cable to the memory card reader.
5 Slide the memory card reader inside the slot and
make sure the screw hole on the chassis is aligned
with the screw hole under the memory card reader.
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 factoryinstalled files. Please read “System
Recovery” in your printed documentation
for details about the recovery procedure.
You can replace the (primary) hard disk drive
attached to the drive bay.
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.
To remove a hard disk drive
1 Complete the procedures to prepare the PC and to
remove the side panel. See “Opening and Closing
the PC” on page 1.
2 Remove the front panel. See “Removing the Front
Panel” on page 3.
3 Make a note of each cable attached to the hard
disk drive and back of the HP Personal Media Drive
bay before removing the cables.
6 Insert the screw to secure the memory card reader
to the chassis.
7 Replace the front panel. See “Replacing the Front
Panel” on page 3.
8 Complete the procedures to replace the side panel,
and to close the PC. See “Opening and Closing the
PC” on page 1.
6 Upgrading and Servicing Guide
4 Remove the two screws from the back of the drive
bay and remove the cable (A).
Disconnecting the Parallel ATA hard disk drive
cables
6 Remove the two screws on the front of the
drive bay.
7 Gently pull back and hold the drive bay release
tab while pulling out the drive bay from the front
of the PC.
5 Disconnect the power cable and data cable from
the back of the hard disk drive (B). 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
8 Gently lay the drive bay flat with the hard disk
drive on top.
Upgrading and Servicing Guide 7
9 Remove the four screws that secure the hard disk
drive to the drive bay. Lift the hard disk drive up
from the drive bay bracket.
5 Attach the data and power supply cables to the
back of the hard disk drive.
WARNING: For Parallel ATA drives,
connect the IDE cable end (C) labeled
Master to the primary hard disk drive. If
the IDE cable is not connected correctly,
the PC will not be able to locate the hard
disk drives and data may be lost.
Replacing a Hard Disk Drive
The hard disk drive of your PC attaches to your
HP Personal Media Drive bay.
1 Follow the steps in “Removing a Hard Disk Drive”
on page 6.
2 Align the hard disk drive with the holes on the
HP Personal Media Drive bay bracket. Insert and
tighten the four screws.
3 Slide the drive bay into the PC until it snaps into
place.
4 Attach the screws to the front of the drive bay.
6 Insert and tighten the two screws (D) on the
HP Personal Media Drive cable into the drive bay.
7 Replace the front panel. See “Replacing the Front
Panel” on page 3.
8 Complete the procedures to replace the side panel,
and to close the PC. See “Opening and Closing the
PC” on page 1.
8 Upgrading and Servicing Guide
Adding Memory
The motherboard contains sockets for DDR DIMMs
(double data rate dual in-line memory modules). The
exact number of sockets depends on which model
you have.
To determine which type and speed 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.
6 Move any cabling out of the way, if necessary.
WARNING: Do not pull the memory
module out of the socket. Use the
retaining clips to eject the module.
7 Push down the two retaining clips on the ends of
the socket until the memory module pops out of the
socket.
WARNING: Using the wrong type of
memory module could damage the
system.
Removing a Memory Module
1 Complete the procedures to prepare the PC and
remove the side panel. See “Opening and Closing
the PC” on page 1.
2 Remove the front panel. See “Removing the Front
Panel” on page 3.
3 Remove the hard disk drive. See “Removing a Hard
Disk Drive” on page 6.
4 Gently lay the PC on its side.
5 Locate the memory 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.
8 Hold the memory module by its edges only, as you
lift it away from the socket. Store it in its antistatic
packaging.
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.
See “Removing a Memory Module” on page 9.
• 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.
Upgrading and Servicing Guide 9
2 Hold the new memory module by its edges only as
you remove it from the antistatic packaging. Avoid
touching the memory chips or the gold contacts on
the module.
3 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.
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 PC. 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.
A Phillips screwdriver is needed to remove, replace,
or add an add-in card.
Removing an Add-in Card
1 Complete the procedures to prepare the PC and
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 If you are replacing a card, make a note of any
external or internal cables attached to the card,
and then disconnect them.
4 Replace any cabling that was removed.
5 Complete the procedures to replacing a hard disk
drive and close the PC. See “Replacing a Hard
Disk Drive” on page 8.
6 Complete the procedures to replace the side panel
and close the PC. See “Opening and Closing the
PC” on page 1.
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.
10 Upgrading and Servicing Guide
5 Loosen the screw on the card you are replacing.
Hold the card at the top and carefully pull the card
straight out of the add-in card 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 Attach the screw to secure the card.
3 Connect any external or internal cables attached to
the card.
4 Complete the procedures to replace the side panel
and close the PC. See “Opening and Closing the
PC” on page 1.
Replacing the Battery
A lithium battery on the motherboard provides backup
power for the PC’s timekeeping capability.
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 volt, 220mAH rating) or an
equivalent battery.
WARNING: 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 Remove any memory modules, if necessary, to
reach the battery. See “Adding Memory” on
page 9.
5 Press the latch away from the battery and lift the
battery from the socket to release the battery.
6 Install the new CR2032 battery in the socket, with
the positive (+) side facing the latch.
7 Replace memory modules or cables you removed.
8 Set the chassis upright.
9 Complete the procedures to replace the side panel,
and to 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.
Upgrading and Servicing Guide 11
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