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