User’s Guide
Dell OptiPlex GX240 Systems
Abbreviations and Acronyms
Notes, Notices, and Cautions
____________________
Contents
1 About Your Computer
2Advanced Features
3 Installing Upgrades
Installing an AGP Graphics Card
Solving Problems
Technical Specifications
4Stand
Recover From a Program That Is Not Responding
7 Getting Help
9Microsoft Windows XP Features
8 Additional Information
Safety First-ForYou and Your Computer
Electrostatic Discharge
Ergonomic Computing Habits
•Use a chair that provides good lower back support
monitor screen at or below eye level
Finding Information and Assistance Front Panel
About Your Computer
Back Panel Inside Your Computer
Finding Information and Assistance
About Your Computer
Contents
Using the Resource
S u p p o r t To o l s continued
Resources
Contents
Using the Resource
S u p p o r t To o l s continued
Resources
S m a l l Fo r m - Fa c t o r C o m p u t e r
Front Panel
About Your Computer
1front panel door 2power button 3power light
4hard drive access light
5floppy drive access light
S m a l l D e s k t o p C o m p u t e r
1removable drive panel 2floppy drive access light
3removable drive panel 4hard drive access light
5power button 6power light 7front panel door
S m a l l M i n i -Tow e r C o m p u t e r
Front Panel Door
1USB connectors 2headphone connector
3breakaway hinges
S m a l l D e s k t o p C o m p u t e r
Speaker/Headphone Connector
Power Button
1breakaway hinges 2USB connectors
3headphone connector
Action
Po w e r B u t t o n Fun c t i o n s f o r
Power Light
Hard Drive Access Light
Floppy Drive Access Light
Back Panel
PCI slots
AC adapter
About Your Computer
S m a l l D e s k t o p C o m p u t e r
AC voltage switch
S m a l l M i n i -Tow e r C o m p u t e r
AC adapter
AGP slot
Connecting Devices
Parallel Connector
Mouse Connector
USB Connectors
Integrated Network Adapter Connector
Serial Connectors
Keyboard Connector
Line-InJack
Line-OutJack
Inside Your Computer
S m a l l D e s k t o p C o m p u t e r
About Your Computer
S m a l l M i n i -Tow e r C o m p u t e r
About Your Computer
C a bl e C o l o r s
About Your Computer
System Board Components
About Your Computer
Connector or Socket
S y s t e m B o a r d L a b e l s
Description
About Your Computer
Advanced Features
Security Password Protection Computer Settings
Additional System Setup Options Jumper Settings
Software Installation and Configuration
Manageability
LegacySelect Technology Control
Dell OpenManage IT Assistant
Dell OpenManage Client Instrumentation
Security
Chassis Intrusion Detection
Padlock Ring and Security Cable Slot
Option settings
System Password
Password Protection
1Verify that Password Status is set to Unlocked
4Press <Enter>
Setup Password
Enabled
Disabling a Forgotten Password
Entering System Setup
Computer Settings
System Setup Screens
Advanced Features
Keys
Action
Moves to the next field
Advanced Features
spacebar or
Keys
Action
Changing the Boot Sequence in System Setup
Changing the Boot Sequence During System Setup
The Boot Device Menu appears
Additional System Setup Options
•CPU Information
The default for Auto Power On is Disabled
Advanced Features
–3.5 Inch, 1.44 MB –Not Installed
Advanced Features
Advanced Features
NOTE: For Windows NT, Off is the default setting
Advanced Features
•Primary Drive n and Secondary Drive n
if Primary Video
If You Have a Problem
–Off
Jumper Settings
Software Installation and Configuration
Installing Upgrades
CD/DVD Drives Battery
Computer Cover Expansion Cards
Expansion Card Cage Small Desktop Computer Only
Computer Cover
Opening the Computer Cover
Installing Upgrades
S m a l l Fo r m - Fa c t o r C o m p u t e r
1security cable slot 2padlock ring
3release buttons one on each side
1 security cable slot 2 padlock ring
Installing Upgrades
3 release buttons one on each side
Closing the Computer Cover
Installing Upgrades
Expansion Cards
Installing Upgrades
E x pa n s i o n C a r d Ty pe s
Installing an Expansion Card
1 2 3
3Open the computer cover
1card-edgeconnector 2expansion card 3hinged lever
4retention arm 5expansion-cardconnector
S m a l l Fo r m - Fa c t o r C o m p u t e r
1 2 3 4 5
Installing Upgrades
S m a l l D e s k t o p C o m p u t e r
8Prepare the expansion card for installation
Installing Upgrades
Removing an Expansion Card
Installing Upgrades
Installing an AGP Graphics Card
1 hinged lever
Installing Upgrades
1hinged lever 2indented tab
3Press the AGP card clip lever toward PCI slot
4Slide the AGP card into place
Removing an AGP Card
Expansion Card Cage Small Desktop Computer Only
Removing the Expansion-CardCage
E x p a n s i o n - C a r d C a g e Re m o v a l
Replacing the Expansion-CardCage
1 expansion-cardcage
2Make sure that the riser board is fully seated in the connector on the system board
Installing a TAPI Device
TAPI
Installing a TAPI Sound Card
Installing DIMMs
Memory
3 2 1
Installing Upgrades
1socket 2slot 3securing clip
Removing DIMMs
Microprocessor
1 airflow shroud
Installing Upgrades
3 4 5 6
1latches 2securing clips 3heat sink
4retention base 5ZIF socket 6tabs
Installing Upgrades
4 5 6
1latches 2securing clips 3blower 4screws
5heat sink 6retention base
Removing the Microprocessor
Installing Upgrades
Installing the Microprocessor
Installing Upgrades
Installing Upgrades
Front Panel Inserts
Installing Upgrades
96 Installing Upgrades
Installing Upgrades
S m a l l D e s k t o p C o m p u t e r
Installing Upgrades
Replacing Front Panel Inserts
Installing Upgrades
Installing Upgrades
Internal Drives
1 2 3
Installing Upgrades
S m a l l D e s k t o p C o m p u t e r
1 2 3
1 CD/DVD drive 2 floppy drive 3 hard drive
Installing Upgrades
IDE Drive Addressing
2 1 3
Connecting Drives
Installing Upgrades
D r i v e I n t e r f a c e C o nn e c t o r s
1header connector 2colored stripe on the cable
3interface cable
Hard Drives
Installing Upgrades
H a r d - D r i v e S h r o u d Re m o v a l
1power cable 2hard drive cable
Detaching Hard Drive Cables
S m a l l Fo r m - Fa c t o r C o m p u t e r
power cable
Installing Upgrades
S m a l l D e s k t o p C o m p u t e r
hard drive cable
Installing Upgrades
S m a l l M i n i -Tow e r C o m p u t e r
Removing a Hard Drive
Installing Upgrades
S m a l l D e s k t o p C o m p u t e r
Installing Upgrades
1tabs 2hard drive
Installing a Hard Drive
S m a l l M i n i -Tow e r C o m p u t e r
Installing Upgrades
Reattaching Hard Drive Cables
1 2 3
power cable
IDE1 connector
S m a l l Fo r m - Fa c t o r C o m p u t e r
IDE cable
power cable
IDE1 connector
Installing Upgrades
IDE cable
Installing Upgrades
1power cable 2IDE cable 3IDE1 connector
1 2 3
Floppy Drives
Detaching Floppy Drive Cables
Installing Upgrades
3system board floppy drive connector DSKT
Installing Upgrades
S m a l l Fo r m - Fa c t o r C o m p u t e r
1 2 3
power cable
floppy drive connector
floppy drive cable
S m a l l M i n i -Tow e r C o m p u t e r
1power cable 2floppy drive cable
3floppy drive connector
Installing Upgrades
1 2 3
Removing a Floppy Drive
Installing Upgrades
S m a l l D e s k t o p C o m p u t e r
Installing Upgrades
S m a l l M i n i -Tow e r C o m p u t e r
Installing a Floppy Drive and Reattaching Cables
Small Desktop and Small Mini-TowerComputers
Installing Upgrades
1 2 3
S m a l l D e s k t o p C o m p u t e r
r t . d
e l l . c o
s u p p o
Installing Upgrades
1 2 3
CD/DVD Drives
Installing Upgrades
Detaching CD, CD-RW,or DVD Drive Cables
I n t e r po s e r B o a r d Re m o v a l
1power cable 2audio cable 3CD/DVD drive cable
4CD/DVD drive connector
Installing Upgrades
S m a l l D e s k t o p C o m p u t e r
power cable
CD/DVD drive connector
Installing Upgrades
S m a l l M i n i -Tow e r C o m p u t e r
Removing a CD, CD-RW,or DVD Drive
Installing Upgrades
S m a l l D e s k t o p C o m p u t e r
Installing Upgrades
S m a l l M i n i -Tow e r C o m p u t e r
C D / D V D D r i v e B r a c k e t Ra i l s
Installing Upgrades
e l l
S m a l l D e s k t o p C o m p u t e r
s u p p o r t . d
Installing Upgrades
S m a l l M i n i -Tow e r C o m p u t e r
Battery
Replacing the Battery
c Exit system setup
Installing Upgrades
142 Installing Upgrades
Removing the Computer Stand
S t a n d
Attaching the Computer Stand
Removing the Computer Stand
Attaching the Computer Stand
Stand
146 Stand
Technical Specifications
Controls and Lights Power Physical Environmental
Microprocessor Memory Computer Information Audio
Expansion Bus Drives Ports Key Combinations
Technical Specifications
Microprocessor
Memory
Computer Information
Audio
Technical Specifications
Expansion Bus
Drives
Technical Specifications
Ports
Technical Specifications
Key Combinations
Sequence option
Controls and Lights
Technical Specifications
Power
Physical
Technical Specifications
Environmental
Finding Solutions Dell Diagnostics
Solving Problems
Messages and Codes Software Problems
Finding Solutions
Solving Problems
Using the Dell OptiPlex ResourceCD
Power Problems
Video and Monitor Problems
•Restart the computer
Sound and Speaker Problems
Printer Problems
Serial or Parallel Device Problems
•Verify that the device is turned on
Mouse Problems
Keyboard Problems
Floppy Drive Problems
Basic Checks
Hard Drive Problems
Type chkdsk and press <Enter>
Yes. The problem is resolved No. Proceed to step
Battery Problems
Expansion Card Problems
Recover From a Program That Is Not Responding
Restart a Computer That Is Not Responding
Repairing a Wet Computer
3Click End Task
Repairing a Dropped or Damaged Computer
Computer Memory Problems
Hardware Conflicts
System Board Problems
Did any of the tests fail?
Dell Diagnostics
Resetting a Damaged System Board
When to Use the Dell Diagnostics
Features
Running the Dell Diagnostics
Before You Start Testing
6Select Start computer to run Dell Diagnostics
8Select Option 1– Dell Diagnostics
Advanced Testing
Solving Problems
Advanced Testing Help Menu
Messages and Codes
Computer Messages
Solving Problems
C o m p u t e r M e s s a g e s
Message
C o m p u t e r M e s s a g e s
The hard drive or the
Solving Problems
C o m p u t e r M e s s a g e s
Message
Cause
C o m p u t e r M e s s a g e s
address, read
value
address, read
C o m p u t e r M e s s a g e s
Diagnostics
Run the System Board
Solving Problems
C o m p u t e r M e s s a g e s
Message
Cause
Solving Problems
C o m p u t e r M e s s a g e s
Message
Cause
Computer Beep Codes
Run the System Board Devices tests in
Run the VESA/VGA Interface tests in
Run the System Board Devices tests in
Run the System Board Devices tests in
Run the System Board Devices tests in
Run the System Board Devices tests in
Run the System Board Devices tests in
Warning Messages
Run the Serial Ports and the Parallel
Run the System Board Devices tests in
Run the System Board Devices tests in
Diagnostics Messages
Diagnostic Lights
Front Panel Lights
Power Light Code
Back Panel Lights
Normal off condition
Software Problems
Operating System Compatibility
Basic Checks
Input Errors
Error Messages
Device Drivers
Memory-ResidentPrograms
Memory Address Conflicts
Program Conflicts
Interrupt Assignment Conflicts
Solving Problems
D e f a u l t I R Q L i n e A s s i g n m e n t s
Used/Available
Line
Getting Help
Help Overview Dell Contact Numbers
Technical Assistance
Help Overview
Help Tools
Page
AutoTech Service
TechFax Service
Technical Support Service
Automated Order-StatusSystem
Problems With Your Order
Returning Items for Warranty Repair or Credit
Product Information
Getting Help
Before You Call
Getting Help
Diagnostics Checklist
Dell Contact Numbers
Antigua and Barbuda
Australia Sydney
Austria Vienna
Barbados
Belgium Brussels
Bermuda
Brazil
Cayman Islands
Chile Santiago
China Xiamen
Colombia
Denmark Horsholm
Dominican Republic
El Salvador
Finland Helsinki
Home and Small Business
Corporate
Germany Langen
Guatemala
Hong Kong
Ireland Cherrywood
Italy Milan
Home and Small Business
Japan Kawasaki
Korea Seoul
Latin America
Luxembourg
Macau
Malaysia Penang
Mexico
Netherlands Antilles
Netherlands Amsterdam
New Zealand
Norway Lysaker
Panama
Peru
Poland Warsaw
St. Lucia
Singapore Singapore
South Africa Johannesburg
09/091
Switzerland Geneva
Sweden Upplands Vasby
Taiwan
Trinidad/Tobago
Thailand
U.K. Bracknell
U.S.A. Austin, Texas
US Virgin Islands
Venezuela
Additional Information
Warranty and Return Policy
Regulatory Notices ENERGY STAR Compliance
Regulatory Notices
FCC Notices U.S. Only
•Reorient or relocate the receiving antenna
IC Notice Canada Only
CE Notice European Union
Battery Disposal
EN 55022 Compliance Czech Republic Only
VCCI Notice Japan Only
Class A ITE
VCCI-A
Class B ITE
MIC Notice Republic of Korea Only
Class B Device
Additional Information
Wymagania Polskiego Centrum Badañ i Certyfikacji
Pozosta³e instrukcje bezpieczeñstwa
Additional Information
BSMI Notice Taiwan Only
Additional Information
NOM Information Mexico Only
Información para NOM únicamente para México
ENERGY STAR guidelines for energy efficiency
ENERGY STAR Compliance
Additional Information
Warranty and Return Policy
242 Additional Information
M i c r o s o f t Windows XP Features
Files and Settings Transfer Wizard
System Restore
User Accounts and Fast User Switching
Overview
Help and Support Center
Switching to Classic View
New User Interface
Clean Desktop Wizard
3Click Clean Desktop Now
2Click Properties
4Select Classic Start Menu and click OK
Taskbar Grouping
Notification Area Cleanup
Microsof t Windows XP Features
Files and Settings Transfer Wizard
The Do you have a Windows XP CD? screen appears
Application and Device Compatibility
Program Compatibility Wizard
System Restore
Using System Restore
Restore Process
2Select Create a restore point and click Next>
Driver Rollback
2Select Undo my last restoration and click Next>
How to Use Fast User Switching
User Accounts and Fast User Switching
2Click Properties
Special Considerations With Fast User Switching
What Happens When a Fast User Switch Occurs?
Microsof t Windows XP Features
How to Turn Off Fast User Switching
How to Add Users
2In the Control Panel window, click User Accounts
4Click Apply Options
Network Setup Wizard
3Click checklist for creating a network
Home and Small Office Networking
6Click Create Account
Internet Connection Firewall
Microsof t Windows XP Features
260 Microsof t Windows XP Features
Glossary
Accelerator
ACPI
ANSI
BIOS
APIC
ASCII
ATAPI
Boot Sequence
Bus Speed
Byte
Cache
See IC
COM Port
Control Code
Controller
CRIMM
D-Sub
See Subminiature-D
Data Striping
Device
DRAM
DMTF
DRDRAM
EIDE
Environmental Protection Agency
Energy Star
Express Service Code
EPP/ECP
EPROM
Ethernet
Gravities. A measurement of weight and force
Hours. A measurement of time that equals 60 min
IP Address
IPX/SPX
Page
Local Bus
Minutes. A measurement of time that equals 60 sec
MTBF
Network Adapter
NiCad
NiMH
Parallel Port
Pipeline Processing
Also referred to as Product Key. See COA
RAID
Rambus
DRDRAM
RDRAM
Remote Wake Up
RIMM
RJ45
RS-232
Seconds. A measurement of time
System Setup
SNMP
SPGA
SRAM
TAPI
TCP/IP
Token Ring
UDMA
Volts alternating current AC
Volts direct current DC
WBEM