Compaq 5000 Series User manual

End-User Replaceable Parts Program
Replacing a System Board
5000 and 7000 Series

Notice
© 2000 Compaq Computer Corporation
COMPAQ and the Compaq logo Registered in U.S. Patent and Trademark
Office.
Microsoft and Windows are trademarks of Microsoft Corporation.
All other product names mentioned herein may be trademarks or registered
trademarks of their respective companies.
Compaq shall not be liable for technical or editorial errors or omissions
contained herein. The information in this document is subject to change
without notice.
The information in this publication is subject to change without notice and is
provided "AS IS" WITHOUT WARRANTY OF ANY KIND. THE
ENTIRE RISK ARISING OUT OF THE USE OF THIS INFORMATION
REMAINS WITH RECIPIENT. IN NO EVENT SHALL COMPAQ BE
LIABLE FOR ANY DIRECT, CONSEQUENTIAL, INCIDENTAL,
SPECIAL, PUNITIVE OR OTHER DAMAGES WHATSOEVER
(INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF
BUSINESS PROFITS, BUSINESS INTERRUPTION OR LOSS OF
BUSINESS INFORMATION), EVEN IF COMPAQ HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THE
FOREGOING SHALL APPLY REGARDLESS OF THE NEGLIGENCE
OR OTHER FAULT OF EITHER PARTY AND REGARDLESS OF
WHETHER SUCH LIABILITY SOUNDS IN CONTRACT, NEGLIGENCE,
TORT, OR ANY OTHER THEORY OF LEGAL LIABILITY, AND
NOTWITHSTANDING ANY FAILURE OF ESSENTIAL PURPOSE OF
ANY LIMITED REMEDY.
The limited warranties for Compaq products are exclusively set forth in the
documentation accompanying such products. Nothing herein should be
construed as constituting a further or additional warranty.
Compaq Presario
First Edition (July 2000)
Part Number 202126-001

REPLACING THE SYSTEM BOARD 3
Replacing the
System Board
The System Board in your
computer is the home of the
central processing unit
(CPU) and its supporting
cards. The system board (or
Mother Board) lies on one
side of the computer
beneath the add-in cards.
The add-in cards, such as
modem, sound, and
graphics, are mounted
upright in slots on the
system board along with
other internal devices that
connect directly to the
system board.
Introduction
Your Compaq Presario Internet PC has an Easy Access panel
that makes accessing the internal parts easy. This document
describes how to remove and replace the system board
(see Figure 1-1).
Figure 1-1
Important: The view shown may vary slightly by model.

4REPLACING THE SYSTEM BOARD
Tools Needed
A Phillips screwdriver is needed to remove and replace the
system board.
Warranty Statement
Compaq provides these detailed instructions to ensure your
safety and to keep your PC from being damaged. Following
these instructions also ensures that your PC remains
warranted by Compaq.
Your replacement part is warranted for the longer of 90 days
from the date the part was delivered to you, or the original
One Year Limited Warranty that came with your Compaq
Presario.
Preparing Your Computer for Disassembly
Before beginning the removal and replacement procedure,
complete the following procedure:
1. Remove any diskette or compact discs (CDs) from the
computer.
2. Turn off the computer and any peripheral devices
connected to your computer (see Figure 1-2).
3. Disconnect the power cord from the electrical outlet, and
then from the computer (see Figure 1-3).
4. Disconnect all peripheral device cables from the computer.
Failure to disconnect the power from the computer may result
in personal injury.

REPLACING THE SYSTEM BOARD 5
I. Disconnecting the Power
1. Turn off the computer using the Power button
(see Figure 1-2).
Figure 1-2
2. Disconnect the power cord from the electrical outlet 1
and from the computer 2(see Figure 1-3).
Failure to disconnect the power from the computer may
result in personal injury.
Figure 1-3

6REPLACING THE SYSTEM BOARD
You do not have to replace the
screw securing the side access
panel. The screw securing the
side panel is used for shipping
purposes only.
II. Opening the Side Access Panel
1. Remove the screw 1securing the side access panel.
Locate the latch 2directly below the screw, press it down,
and hold the latch in the down position (see Figure 2-1).
Figure 2-1
Important: Some models may not have a screw 1. This screw is used
for shipping purposes only.
2. Grab the handle and slide the side panel from the chassis
(see Figure 2-2).
▲Caution: Before doing any work inside your computer, ground
yourself by touching a metal part of the chassis.
Figure 2-2

REPLACING THE SYSTEM BOARD 7
III. Locating the System Board
Turn the computer on its side (open side facing up) and locate
the system board (see Figure 3-1).
Figure 3-1
Important: The location of the system board components may vary
slightly by model.

8REPLACING THE SYSTEM BOARD
IV. Removing the Data Cables from the System
Board
Disconnect the diskette drive 1, hard drive 2, and
CD-ROM 3, CD-RW 3, and/or DVD drive 3data cables
from the system board (see Figure 4-1).
Figure 4-1

REPLACING THE SYSTEM BOARD 9
V. Removing the Memory Module
To remove the memory module, complete the following
procedure:
1. With the computer on its side (open side facing up), locate
the memory module 2(see Figure 5-1).
2. Press outward on the release latches found at each end of
the memory slot 1. Lift the memory module 2from the
memory slot 1(see Figure 5-1). The number of memory
modules may vary depending upon your system’s
configuration.
Figure 5-1

10 REPLACING THE SYSTEM BOARD
VI. Locating the Microprocessor/Heatsink Assembly
See the illustration below for the location of the heatsink lock
tabs 1, heatsink power supply fan cable 2, heatsink 3,
microprocessor interface 4(see Figure 6-1).
Figure 6-1
Important: The location of the microprocessor/heatsink assembly may
vary slightly by model.