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Mini Tower Computer
Dell™Optiplex™740Systems
User's Guide
About Your Mini Tower Computer
Inside Your Computer
About Your Mini Tower Computer
Front View
1
optical drive
(optional)
Insert media (if supported) into this drive.
2
Flexbay drive
Can contain an optional floppy drive or an optional media card reader.
3
USB 2.0
connectors
(2)
Use the front USB connectors for devices that you connect occasionally,
such as joysticks or cameras, or for bootable USB devices (see System
Setup for more information on booting to a USB device).
It is recommended that you use the back USB connectors for devices that
typically remain connected, such as printers and keyboards.
4
LAN indicator
light
This light indicates that a local area network (LAN) connection is
established.
5
diagnostic
lights
Use the lights to help you troubleshoot a computer problem based on
the diagnostic code. For more information, see Diagnostic Lights.
6
power button
Press this button to turn on the computer.
NOTICE: To avoid losing data, do not turn off the computer by pressing
the power button. Instead, perform an operating system shutdown. See
Turning Off Your Computer for more information.
NOTICE: If your operating system has ACPI enabled, when you press
the power button the computer will perform an operating system
shutdown.
7
power light
The power light illuminates and blinks or remains solid to indicate
different operating modes:
l No light — The computer is turned off.
l Steady green — The computer is in a normal operating state.
l Blinking green — The computer is in a power-saving mode.
- Mini Tower Computer 1
- Desktop Computer 1
- Small Form Factor Computer 1
- Advanced Features 2
- Security 3
- Password Protection 3
- Option Settings 4
- Assigning a System Password 4
- Typing Your System Password 4
- Administrator Password 5
- System Setup 6
- Entering System Setup 7
- System Setup Options 7
- Booting to a USB Device 11
- Jumper Settings 11
- Clearing CMOS Settings 13
- Power Management 13
- About RAID Configurations 14
- RAID Level 1 Configuration 15
- Using NVIDIA MediaShield 16
- Deleting a RAID Array 17
- Battery 19
- Before You Begin 21
- Cleaning Your Computer 23
- CDs and DVDs 24
- Desktop Computer 25
- Desktop Computer 62
- DC Power Connector P3 66
- DC Power Connector P4 66
- DC Power Connector P5 and P6 66
- Finding Information 75
- Windows Welcome Center 77
- Windows Help and Support 77
- Operating System Media 77
- Dell Support 3 77
- Getting Help 78
- Problems With Your Order 79
- Product Information 79
- Before You Call 80
- Contacting Dell 80
- Glossary 81
- Memory 89
- Removing Memory 90
- Installing Memory 91
- PCI Express Cards 96
- PS/2 Serial Port Adapters 101
- Processor 104
- Installing the Processor 105
- Back to Contents Page 107
- Drives 108
- Hard Drive 109
- Installing a Hard Drive 110
- Adding a Second Hard Drive 112
- Drive-Panel Inserts 113
- Floppy Drive 115
- Media Card Reader 116
- Optical Drive 118
- Mini Tower Computer 121
- I/O Panel 122
- Power Supply 124
- DC Power Connectors 125
- DC Power Connector P2 126
- DC Power Connector P7 126
- Dell™Optiplex™740Systems 127
- User's Guide 127
- Speaker 132
- Microsoft Windows Vista® 134
- Microsoft®Windows®XP 134
- Adding User Accounts 136
- Fast User Switching 137
- Network Setup Wizard 138
- PCI Cards 140
- Removing a PCI Card 141
- PCI Express and DVI Cards 142
- Installing an Optical Drive 158
- Small Form Factor Computer 163
- Replacing the I/O Panel 165
- DC Power Connectors P3 168
- DC Power Connector P5 168
- Front View 174
- Back View 175
- Back-Panel Connectors 175
- Inside Your Computer 176
- System Board Components 177
- Drivers 179
- Windows Vista 182
- Windows XP 182
- Creating a Restore Point 182
- Enabling System Restore 183
- Before You Begin 184
- Solving Problems 186
- Drive Problems 187
- Keyboard Problems 188
- Fan Problems 189
- Media Card Reader Problems 190
- Memory Problems 191
- Mouse Problems 191
- Network Problems 192
- Power Problems 192
- Printer Problems 193
- Restoring Default Settings 194
- Sound and Speaker Problems 194
- Video and Monitor Problems 195
- Chassis Intrusion Switch 197
- Desktop System Board Screws 200
- Mini Tower Computer 204
- Dell Diagnostics 209
- System Lights 210
- Diagnostic Lights 211
- Beep Codes 212
- Error Messages 212
- Warranty 217
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