HP dx2480 - Microtower PC Operating and maintenance manual

Hardware Reference Manual
HP Compaq Business Desktop dx2480
Microtower Model
March 2008
This guide provides basic information for upgrading this computer
model.
Document Number : 468080-D61

Hardware Reference Guide
HP Compaq Business Desktop dx2480
Microtower Model
March 2008
This guide provides basic information for upgrading this computer
model.

© Copyright 2008 Hewlett-Packard Development Company, L.P. The information
contained herein is subject to change without notice.
Microsoft, MS-DOS, Windows and Windows Vista are trademarks of Microsoft
Corporation in the U.S. and other countries.
The only warranties for HP products and services are set forth in the express
warranty statements accompanying such products and services. Nothing herein
should be construed as constituting an additional warranty. HP shall not be liable
for technical or editorial errors or omissions contained herein.
This document contains proprietary information that is protected by copyright. No
part of this document may be photocopied, reproduced, or translated to another
language without the prior written consent of Hewlett-Packard Company.
WARNING: Text set off in this manner indicates that failure to follow directions
could result in bodily harm or loss of life.
CAUTION: Text set off in this manner indicates that failure to follow directions
could result in damage to equipment or loss of information.
Hardware Reference Guide
HP Compaq Business Desktop dx2480 Microtower Model
!

Contents
1 Product Features
Standard Configuration Features ......................................................................... 1-1
Front Panel Components ......................................................................................1-2
Rear Panel Components ....................................................................................... 1-3
Keyboard .............................................................................................................. 1-4
Windows Logo Key ............................................................................................. 1-5
Special Mouse Functions. .................................................................................... 1-5
Serial Number Location ....................................................................................... 1-6
2 Hardware Upgrades
Serviceability Features ......................................................................................... 2-1
Warnings and Cautions ........................................................................................ 2-1
Removing the Computer Access Panel ................................................................ 2-2
Removing the Front Bezel.................................................................................... 2-3
Installing Additional Memory............................................................................... 2-4
DIMMs ................................................................................................................. 2-4
DDR2-SDRAM DIMMs ...................................................................................... 2-4
Populating DIMM Sockets ................................................................................... 2-5
Installing DIMMs ................................................................................................. 2-6
Removing a 5.25" Drive Bezel Blank .................................................................. 2-8
Replacing or Upgrading a Drive .......................................................................... 2-9
Locating Drive Positions .................................................................................... 2-10
Removing a Drive .............................................................................................. 2-11
Replacing a Drive ............................................................................................... 2-13
Install Second Hard Disk ................................................................................... 2-16
Removing or Installing an Expansion Card ....................................................... 2-19
Reassembling the Computer .............................................................................. 2-25
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Contents
3 Battery Replacement ................................................................................... 3-1
4 Security Lock Provisions
Installing a Security Lock ................................................................................... 4-1
Mechanical Lock ....................................................................................................... 4-1
Chasis intrusion Lock ................................................................................................ 4-1
5 Electrostatic Discharge
Preventing Electrostatic Damage ......................................................................... 5-1
Grounding Methods.............................................................................................. 5-1
6 Computer Operating Guidelines, Routine Care and Shipping
Preparation
Computer Operating Guidelines and Routine Care .............................................. 6-1
Optical Drive Precautions .................................................................................... 6-2
Operation ............................................................................................................. 6-2
Cleaning ............................................................................................................... 6-2
Safety ................................................................................................................... 6-2
Shipping Preparation ............................................................................................ 6-3
7 Computer Setup (F10) Utility
Computer Setup (F10) Utility ................................ ............................................ 7-1
Using Computer Setup (F10) Utilities ................................................................. 7-2
Recovering the Configuration Settings.......................... .......................................... 7-4
8 Troubleshooting Guide
Computer Diagnostic Features ................................ ............................................ 8- 1
Troubleshooting ........................................................ .............................................. 8- 8

Product Features
1
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Standard Configuration Features
The HP Compaq Microtower features may vary depending
on the model. For a complete listing of the hardware and
software installed in the computer, run the Diagnostics for
Windows utility. Instructions for using this utility are
provided in the Troubleshooting Guide on the
Documentation and Diagnostics CD.
Microtower Configuration
Photos depicted may vary as per actual machine

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Product Features
Front Panel Components
Drive configuration may vary by model.
Photos depicted may vary as per actual machine
Front Panel Components
Power Button
Hard Drive Activity Light
7
8
9
10
11
12
Optical Drive Eject Button
Headphone Jack
Microphone Connector
USB (Universal Serial Bus) Ports
Optical Drives
Optical Drive Activity Lights
Diskette Drive (optional)
Diskette Drive Activity Light (optional)
Diskette Drive Eject Button (optional)
1
2
3
4
5
6Power On Light
1
28
9
10
3
4
5
6
7
11
12

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Product Features
Rear Panel Components
Rear Panel Components
Power Cord Connector RJ-45 Network Connector .
Voltage Select Switch Parallel Port Connector
PS/2 Mouse Connector Monitor Connector
PS/2 Keyboard Connector Headphone/Line-Out Connector
Universal Serial Bus (USB) Audio/Line-In Connector
Serial Port Connector Microphone Connector
1 7
2 8
3 9
4 10
5
11
612
Arrangement and number of connectors may vary by model.
!
Photos depicted may vary as per actual machine
944
11
12 3 5 6 7 8 10 12

Keyboard Components
Function Keys Perform special functions depending on the software
application being used.
Editing Keys Includes the following: Insert, Home, Page Up, Delete, End,
and Page Down. .
Status Lights Indicate the status of the computer and keyboard settings
(Num Lock, Caps Lock, and Scroll Lock).
Numeric Keys Work like a calculator keypad.
Arrow Keys Used to navigate through a document or Web site. These
keys allow you to move left, right, up, and down, using the
keyboard instead of the mouse.
Ctrl Keys Used in combination with another key; its effect depends
on the application software you are using.
Application Key* Used (like the right mouse button) to open pop-up menus
in a Microsoft Office application. May perform other
functions in other software applications.
Windows Logo Keys* Used to open the Start menu in Microsoft Windows. Used
in combination with other keys to perform other functions.
Alt Keys Used in combination with another key; its effect depends
on the application software you are using. *Keys available
in select geographic regions.
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Product Features
Keyboard
1
2
3
4
5
6
7
8
9
Photos depicted may vary as per actual machine

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Product Features
Windows Logo Key
Use the Windows Logo key in combination with other keys to
perform certain functions available in the Windows operating system.
Refer to the "Keyboard" section to identify the Windows Logo key.
Windows Logo Key Functions
Windows Logo Key Displays or hides the Start menu.
Windows Logo Key + d Displays the Desktop.
Windows Logo Key + m Minimizes all open applications.
Shift + Windows Logo Key + m Undoes Minimize All.
Windows Logo Key + e Launches My Computer.
Windows Logo Key + f Launches Find Document.
Windows Logo Key + Ctrl + f Launches Find Computer.
Windows Logo Key + F1 Launches Windows Help.
Windows Logo Key + l Locks the computer if you are connected to a
network domain, or allows you to switch
users if you are not connected to a network
domain.
Windows Logo Key + r Launches the Run dialog box.
Windows Logo Key + u Launches the Utility Manager.
Windows Logo Key + Tab Activates the next Taskbar button.
Special Mouse Functions
Most software applications support the use of a mouse. The functions
assigned to each mouse button depend on the software applications
you are using.