Dell OptiPlex 780 Owner's manual

About Warnings

WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

Dell™ OptiPlex™ 780 Ultra Small Form Factor

Setup and Features Information Tech Sheet

Front View

1CD/DVD drive 2power button

3drive activity light 4diagnostic lights (4)

5network activity light 6WiFi activity light (optional)

7headphone connector 8microphone connector

9USB connectors (2)

November 2009 Model: D01U

Type: D01U001

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Back View

1network activity light 2captive thumbscrew

3padlock ring 4security cable slot

5power connector 6line-out connector

7line-in/microphone connector 8eSATA connector

9DisplayPort connector 10 VGA connector

11 serial connector 12 USB connectors (5)

13 network connector 14 link integrity light

15 WiFi antenna (optional)

145

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Quick Setup

WARNING: Before you begin any of the procedures in this section, read the safety

information that shipped with your computer. For additional best practices information,

see www.dell.com/regulatory_compliance.

NOTE: Some devices may not be included if you did not order them.

Connect the monitor using only one of the following cables:

The blue VGA cable.

The DisplayPort cable.

The VGA cable to a DisplayPort adapter.

Connect the USB keyboard or mouse

(optional).

Connect the network cable (optional).

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Specifications

NOTE: The following specifications are only those required by law to ship with your computer.

For a complete and current listing of the specifications for your computer, go to support.dell.com.

Connect the power cable.

Press the power buttons on the monitor and computer.

System Information

Chipset Intel®Q45 Express chipset with ICH10DO

Processor

Processor Intel Core™2 Duo, Intel Pentium®Dual-Core,

Intel Celeron®Dual-Core, Intel Celeron®

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Video

Video type:

Integrated

Intel Q45 graphics controller

Video memory:

Integrated

Upto 1759 MB shared video memory

Memory

Memory module connector 2 DIMM slots

Memory module capacity 1 GB or 2 GB

Type DDR3 1066 MHz (non-ECC)

Minimum memory 1 GB

Maximum memory 4 GB

Drives

Externally accessible:

5.25-inch slimline drive bay

One

Internally accessible:

2.5-inch SATA drive bay

One

Available devices:

2.5-inch SATA hard drive

One

5.25-inch SATA DVD-ROM,

DVD+/-RW drive

One

NOTE: Supports a maximum of one hard drive.

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Control Lights and Diagnostic Lights

Front of computer:

Power button light

Blue light — Solid blue light indicates power-on state;

blinking blue light indicates sleep state of the computer.

Amber light — Solid amber light when the computer does not

start indicates a problem with the system board or

power supply. Blinking amber light indicates a problem

with the system board.

Drive activity light

Displays the SATA hard drive or CD/DVD drive activity.

Blue light — Blinking blue light indicates that the computer is

reading data from or writing data to the drive.

Network activity light

Blue light — A good connection exists between the network

and the computer.

Off (no light) — The computer is not detecting a physical

connection to the network.

WiFi activity light (optional)

Blue light — The WiFi network card is enabled.

Diagnostic lights

Four amber lights located on the front panel of the computer.

For information on the diagnostic lights, see the Service

Manual available on the Dell Support website at

support.dell.com/manuals.

Back of computer:

Link integrity light on

integrated network adapter

Green light — A good 10 Mbps connection exists between the

network and the computer.

Orange light — A good 100 Mbps connection exists between

the network and the computer.

Yellow light — A good 1000 Mbps connection exists between

the network and the computer.

Off (no light) — The computer is not detecting a physical

connection to the network.

Network activity light on

integrated network adapter

Yellow light — A blinking yellow light indicates that network

activity is present.

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Inside of computer:

Power supply light

Green — The power supply is turned on and is functional.

The power cable must be connected to the power connector

(at the back of the computer) and the electrical outlet. A test

button and LED are on the top side of the unit.

NOTE: You can test the health of the power system by pressing

the test button. When the system’s power supply voltage is within

specification, the self-test LED lights. If the LED does not light up,

the power supply may be defective. AC power must be connected

during this test.

NOTE: The test button and indication LED are not accessible

from outside the system. They are located under the removable

side cover on top of the power supply.

Power

Wattage 180 W

Maximum heat dissipation 750 BTU/hr

NOTE: Heat dissipation is calculated by using the power supply wattage rating.

Voltage 90–264 VAC

Frequency 47–63 Hz

Input amperage 2.6 A

NOTE: See the safety information that shipped with your computer for important

voltage–setting information.

Coin-cell battery 3V CR2032 lithium coin cell

Physical

Height 23.7 cm (9.3 inches)

Width 6.5 cm (2.6 inches)

Depth 24.0 cm (9.4 inches)

Weight 3.2 kg (7 lbs)

Control Lights and Diagnostic Lights (continued)

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Finding More Information and Resources

____________________

Information in this document is subject to change without notice.

Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc.

is strictly forbidden.

Trademarks used in this text: Dell,the DELL logo, and OptiPlex are trademarks of Dell Inc.;

Intel,Celeron,andPentium are registered trademarks and Core is a trademark of Intel Corporation in

the U.S. and other countries.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the

marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade

names other than its own.

Environmental

Temperature:

Operating

10° to 35°C (50° to 95°F)

Storage

–40° to 65°C (–40° to 149°F)

Relative humidity 20% to 80% (noncondensing)

Altitude:

Operating

–15.2 to 3048 m (–50 to 10,000 ft)

Storage

–15.2 to 10,668 m (–50 to 35,000 ft)

Airborne contaminant level G2 or lower as defined by ISA-S71.04-1985

If you need to: See:

Find safety best practices information for your

computer, review Warranty information,

Terms and Conditions (U.S only),

Safety instructions, Regulatory information,

Ergonomics information, and

End User License Agreement.

The safety and regulatory documents that

shipped with your computer and the Regulatory

Compliance Homepage at

www.dell.com/regulatory_compliance.

CTPCKA00.fm Page 8 Monday, November 23, 2009 2:54 PM

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