Dell OptiPlex 740 Users Guide
Advanced Features
LegacySelect Technology Control
Manageability
Security
Password Protection
Assigning a System Password
Option Settings
Typing Your System Password
If Password Status is set to Locked
Deleting or Changing an Existing System Password
Administrator Password
Assigning an Administrator Password
Deleting or Changing an Existing Administrator Password
Disabling a Forgotten Password and Setting a New Password
System Setup
Enabling the TPM Feature
Trusted Platform Module TPM
Entering System Setup
System Setup Options
System Setup Screen
ATA
Desktop, and Sata 0 and SATA1 for the small form factor
64MB
Maintenance
Changing Boot Sequence for the Current Boot
Jumper Settings
Booting to a USB Device
Memory Key
Floppy Drive
Jumper Setting Description
Clearing Forgotten Passwords
Clearing Cmos Settings
Power Management
HyperTransport and Dual-Core Technology
RAID Level 0 Configuration
About RAID Configurations
Sleep Mode Wake-Up Methods Windows XP
Verifying That RAID Is Working
Configuring Your Hard Drives for RAID
RAID Level 1 Configuration
Using the Nvidia MediaShield ROM Utility
Setting Your Computer to RAID-Enabled Mode
Using Nvidia MediaShield
Creating a RAID Array
Click Create under System Tasks
Free Disk Selection window appears
Deleting a RAID Array
Clearing System Data window appears
Click Convert Array in the System Tasks pane
Rebuilding a RAID Configuration
Enabling Cool n Quiet Technology
Nvidia Convert Array Wizard appears
Replacing the Battery
Battery
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Recommended Tools
Before You Begin
Turning Off Your Computer
Before Working Inside Your Computer
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Computer, Keyboard, and Monitor
Cleaning Your Computer
Mouse
Floppy Drive
CDs and DVDs
Desktop Computer
About Your Desktop Computer
Front View
Back View
Back-Panel Connectors
Inside Your Computer
System Board Components
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Installing a PCI Card
PCI, PCI Express Cards, and PS/2 Serial Port Adapters
PCI Cards
Removing a PCI Card
Installing a PCI Card in the Riser-Card Cage
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Removing a PCI Card From the Riser-Card Cage
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PCI Express and DVI Cards
Installing a PCI Express x16 Card or DVI-Card
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Removing a PCI Express x16 Card or DVI-Card
Installing a PCI Express Card in the Riser-Card Cage
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Removing a PCI Express Card From the Riser-Card Cage
PS/2 Serial Port Adapters
Installing a PS/2 Serial Port Adapter
Removing a PS/2 Serial Port Adapter
Installing a Serial Port Adapter in the Riser-Card Cage
Removing a Serial Port Adapter From the Riser-Card Cage
Removing the Processor
Processor
Installing the Processor
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Page
Connecting Drive Cables
General Installation Guidelines
Drive Interface Connectors
Power Cable Connectors
Serial ATA Power Connector
Connecting and Disconnecting Drive Cables
Optical Drive
Removing an Optical Drive
Installing an Optical Drive
Removing a Floppy Drive
Installing a Floppy Drive
Removing the Media Card Reader
Media Card Reader
Installing the Media Card Reader
Removing the Hard Drive
Hard Drive
Installing a Hard Drive
Removing and Replacing a Second Hard Drive
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Desktop Computer
About Your Computer Removing and Replacing Parts
Panel
Removing the I/O Panel
Replacing the I/O Panel
Replacing the Power Supply
Power Supply
Pin Number Signal name AWG Wire
DC Power Connectors
DC Power Connector P2
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Removing the Computer Cover
Microprocessor
Desktop Computer Model # Dcne Specifications
Memory
Computer Information
Video
Connectors
Audio
Controllers
Power
Key Combinations
Controls and Lights
Environmental
Physical
Installing a Speaker
Speaker
Removing a Speaker
FCC Regulatory Model U.S. Only
Find It Here
Finding Information
Click Select Model
Dell Support Website support.dell.com
Then click Welcome Center
Dell Support
Getting Help
Online Services
Obtaining Assistance
Ftp.dell.com
AutoTech Service
Problems With Your Order
Automated Order-Status Service
Support Service
Before You Call
Contacting Dell
Visit support.dell.com
Glossary
Docking device See APR
Device driver See driver
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Page
NIC See network adapter
Module bay See media bay
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Video resolution See resolution
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Memory
DDR2 Memory Overview
Mini Tower, Desktop, and Small Form Factor Matched Pairs
Removing Memory
Installing Memory
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PCI, PCI Express Cards, and PS/2 Serial Port Adapters
Removing a PCI Card
Page
PCI Express Cards
Installing a PCI Express x1 Card
Page
Removing a PCI Express x1 Card
Installing PCI Express x16 Cards and DVI-Cards
Page
Removing PCI Express x16 Cards and DVI-Cards
PS/2 Serial Port Adapters
Removing a PS/2 Serial Port Adapter
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Processor
Installing the Processor
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Interface cable connector Interface connector
Removing a Hard Drive
Installing a Hard Drive
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Adding a Second Hard Drive
Drive-Panel Inserts
Page
Removing the Floppy Drive
Installing the Floppy Drive
Media Card Reader
Installing the Media Card Reader
Optical Drive
Page
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Mini Tower Computer
Panel
Page
Power Supply
V12P0DIG White +3.3 VDC Orange +3.3VDC/SE 12 VDC Blue
DC Power Connectors P3, P5, P8, and P9
Removing the Computer Cover
Mini Tower Computer Model #DCSM Specifications
Video
Four 7-pin connectors
G2 or lower as defined by ISA-S71.04-1985
Speaker
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Transferring Information to a New Computer
Microsoft Windows XP and Windows Vista Features
Microsoft Windows Vista
Microsoft Windows XP
Click Start Run
Adding User Accounts
User Accounts and Fast User Switching
Windows Vista
Windows XP
Fast User Switching
Setting Up a Home and Office Network
Connecting to a Network Adapter
Click Switch User
Network Setup Wizard
Click Checklist for creating a network
Select an option under Choose a connection option
Replacing the Computer Cover
PCI, PCI Express Cards, and PS/2 Serial Port Adapters
Removing a PCI Card
PCI Express and DVI Cards
Installing a PCI Express x16 Card or DVI Card
Removing a PCI Express x16 Card or DVI Card
Page
PS/2 Serial Port Adapters
Removing a PS/2 Serial Port Adapter
Processor
Installing the Processor
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Removing the Computer Cover
Drives
Hard Drive
Installing a Hard Drive
Page
Replacing a Hard-Drive Fan
Installing an Optical Drive
Removing a Floppy Drive or Media Card Reader
Floppy Drive and Media Card Reader
Installing a Floppy Drive or Media Card Reader
Page
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Small Form Factor Computer
Panel
Replacing the I/O Panel
Power Supply
V12P0DIG Yellow +3.3 Orange +3.3V Optional Blue
DC Power Connectors P3
Small Form Factor Computer Model # Dccy Specifications
Drives One Sata controller supporting two devices
Two 7-pin connectors
Weight Kg 16.4 lb
Speaker
About Your Small Form Factor Computer
Small Form Factor Computer
Back View
Inside Your Computer
POWER1 SATA0, SATA1 DIMM4
Optional DVI-card connector Dvihdr Speaker connector Intspkr
What Is a Driver?
Reinstalling Drivers and the Operating System
Drivers
Identifying Drivers
Using Windows Vista Device Driver Rollback
Reinstalling Drivers and Utilities
Using Windows XP Device Driver Rollback
Using the Optional Drivers and Utilities media
Manually Reinstalling Drivers for Windows Vista
Using the Windows XP Drivers and Utilities Media
Click Next at the Welcome Dell System Owner screen
Restoring Your Operating System
Windows XP Creating a Restore Point
Windows Vista
Restoring the Computer to an Earlier Operating State
Undoing the Last System Restore
Reinstalling Microsoft Windows Vista and Windows XP
Enabling System Restore
Click Performance and Maintenance
Booting From the Operating System Media
Windows XP Setup
Before You Begin
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Troubleshooting Tips
Solving Problems
Battery Problems
Card Problems
CD and DVD drive problems
Drive Problems
Keyboard Problems
Mail, Modem, and Internet Problems
Hard drive problems
Problems writing to an Optical-RW drive
Lockups and Software Problems
Fan Problems
Computer does not start up
Computer stops responding
Other software problems
Media Card Reader Problems
Program crashes repeatedly
Solid blue screen appears
Mouse Problems
Memory Problems
Power Problems
Network Problems
If the power light is blinking amber
Printer Problems
Serial or Parallel Device Problems
Restoring Default Settings
Sound and Speaker Problems
No sound from speakers
Video and Monitor Problems
No sound from headphones
If the screen is blank
If the screen is difficult to read
Check the diagnostic lights See Diagnostic Lights
Chassis Intrusion Switch
Removing the Chassis Intrusion Switch
Mini Tower Computer Desktop Computer
Replacing the Chassis Intrusion Switch
Resetting the Chassis Intrusion Detector
Small Form Factor Computer
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Replacing the System Board
Mini Tower System Board Screws
Desktop System Board Screws
Small Form Factor System Board Screws
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Dell Optiplex 740 Systems Users Guide
About Your Mini Tower Computer
Mini Tower Computer
Back View
Inside Your Computer
Intspkr
Frontpanel POWER1 Intruder
Dell Diagnostics
Troubleshooting Tools and Utilities
When to Use the Dell Diagnostics
Starting the Dell Diagnostics From Your Hard Drive
Power Light Problem Description Suggested Resolution
Dell Diagnostics Main Menu
System Lights
Option Function
Light Pattern Problem Description Suggested Resolution
Diagnostic Lights
Beep Codes
Error Messages
Code Cause
Click the Change or Remove Program icon
Decreasing available memory
Read fault Requested sector not found Reset failed
Resolving Software and Hardware Incompatibilities
Click Performance and Maintenance and click System
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Warranty