About Your Computer. Dell OptiPlex 390, Precision GH458, Precision 390


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About Your Computer. Dell OptiPlex 390, Precision GH458, Precision 390 | Manualzz

About Your Computer

Front View (Tower Orientation)

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1 CD- or DVD-drive activity light

The CD/DVD-drive activity light is on when the computer reads data from or writes data to the CD/DVD drive. Wait until this light turns off before you remove the CD or DVD from the drive.

Press this button o eject a disc from the CD or DVD drive.

2 CD- or DVD-drive eject button

3 floppy-drive activity light

The floppy-drive activity light is on when the computer reads data from or writes data to the optional floppy drive. Wait until this light turns off before you remove the floppy from the drive.

4 floppy-drive eject button Press this button to eject a floppy disk from the optional floppy drive.

5 hard-drive activity light The hard-drive activity light is on when the computer reads data from or writes data to the hard drive. The light might also be on when a device such as your CD player is operating.

6 IEEE 1394 connector

(optional)

Use the optional IEEE 1394 connectors for high-speed data devices such as digital video cameras and external storage devices.

Quick Reference Guide

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7 USB 2.0 connectors (2) Use the USB connectors on the front of your computer for devices that you connect occasionally, such as flash memory keys or cameras, or for bootable USB devices (see "System Setup" in your User’s Guide 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.

8 Dell badge rotation notch

9 power button

To rotate the badge, place your fingers around the outside of the badge, press in, and turn the badge. You can also rotate the badge by using the slot provided near the bottom of the badge.

Press this button to turn the computer on.

NOTE:

The power button can also be used to wake the system or to place it into a power-saving mode. See "Power Management" in the User’s Guide for more information.

NOTICE:

To avoid losing data, do not use the power button to turn the computer off. Instead, perform an operating system shutdown.

10 power light

11 microphone connector

12 headphone connector

13 diagnostic lights (4)

14 network link light

The power light illuminates and blinks or remains solid to indicate different states:

• No light — The computer is turned off.

• Steady green — The computer is in a normal operating state.

• Blinking green — The computer is in a power-saving mode.

• Blinking or solid amber — See "Power Problems" in the User’s Guide .

To exit from a power-saving mode, press the power button or use the keyboard or the mouse if it is configured as a wake device in the Windows Device Manager. For more information about sleep modes and exiting from a power-saving mode, see

"Power Management" in the User’s Guide .

See "Diagnostic Lights" on page 37 for a description of light codes that can help

you troubleshoot problems with your computer.

Use the microphone connector to attach a personal computer microphone for voice or musical input into a sound or telephony program.

Use the headphone connector to attach headphones and most kinds of speakers.

Use the lights to help you troubleshoot a computer problem based on the

diagnostic code. For more information, see "Diagnostic Lights" on page 37.

The network light is on when the computer sends or receives data over a network connection. The light might also be on when a network device is establishing a network connection.

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Quick Reference Guide

Back View (Tower Orientation)

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1 power connector Insert the power cable into this connector.

2 voltage selection switch See the safety instructions located in the Product Information Guide for more information.

3 back-panel connectors

4 card slots

Plug serial, USB, and other devices into the appropriate connector.

Access connectors for any installed PCI or PCI Express cards.

Quick Reference Guide

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Front View (Desktop Orientation)

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1 floppy-drive activity light

The floppy-drive activity light is on when the computer reads data from or writes data to the optional floppy drive. Wait until this light turns off before you remove the floppy from the drive.

2 CD- or DVD-drive activity light

The CD/DVD-drive activity light is on when the computer reads data from or writes data to the CD/DVD drive. Wait until this light turns off before you remove the CD or DVD from the drive.

3 floppy-drive eject button Press this button to eject a floppy disk from the optional floppy drive.

4 CD- or DVD-drive eject button

Press this button to eject a disc from the CD or DVD drive.

5 hard-drive activity light The hard-drive activity light is on when the computer reads data from or writes data to the hard drive. The light might also be on when a device such as your CD player is operating.

6 IEEE 1394 connector

(optional)

Use the optional IEEE 1394 connectors for high-speed data devices such as digital video cameras and external storage devices.

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Quick Reference Guide

7 USB 2.0 connectors (2) Use the USB connectors on the front of the computer for devices that you connect occasionally, such as flash memory keys or cameras, or for bootable USB devices

(see "System Setup" in your User’s Guide 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.

8 power button Press this button to turn the computer on.

NOTE:

The power button can also be used to wake the system or to place it into a power-saving mode. See "Power Management" in the User’s Guide " for more information.

NOTICE:

To avoid losing data, do not use the power button to turn the computer off. Instead, perform an operating system shutdown.

9 power light

10 diagnostic lights (4)

11 microphone connector

12 headphone connector

13 network link light

The power light illuminates and blinks or remains solid to indicate different states:

• No light — The computer is turned off.

• Steady green — The computer is in a normal operating state.

• Blinking green — The computer is in a power-saving mode.

• Blinking or solid amber — See "Power Management" in the User’s Guide."

To exit from a power-saving mode, press the power button or use the keyboard or the mouse if it is configured as a wake device in the Windows Device Manager. For more information about sleep modes and exiting from a power-saving mode, see

"Power Management" in the User’s Guide

for more information. See "Diagnostic

Lights" on page 37 for a description of light codes that can help you troubleshoot

problems with your computer.

Use the lights to help you troubleshoot a computer problem based on the

diagnostic code. For more information See "Diagnostic Lights" on page 37.

Use the microphone connector to attach a personal computer microphone for voice or musical input into a sound or telephony program.

Use the headphone connector to attach headphones and most kinds of speakers.

The network light is on when the computer sends or receives data over a network connection. The light might also be on when a network device is establishing a network connection.

Quick Reference Guide

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Back View (Desktop Orientation)

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1 card slots Access connectors for any installed PCI or PCI Express cards.

2 power connector Insert the power cable into this connector.

3 voltage selection switch See the safety instructions located in the Product Information Guide for more information.

4 back-panel connectors Plug serial, USB, and other devices into the appropriate connector.

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Quick Reference Guide

Back-Panel Connectors

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1 mouse connector

2 parallel connector

3 link integrity light

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Plug a standard mouse into the green mouse connector. Turn off the computer and any attached devices before you connect a mouse to the computer. If you have a USB mouse, plug it into a USB connector.

If your computer is running the Microsoft

®

Windows XP operating system, the necessary mouse drivers have been installed on your hard drive.

Connect a parallel device, such as a printer, to the parallel connector. If you have a USB printer, plug it into a USB connector.

NOTE:

The integrated parallel connector is automatically disabled if the computer detects an installed card containing a parallel connector configured to the same address. For more information, see "System Setup Options" in the User’s Guide .

• Green — A good connection exists between a 10-Mbps network and the computer.

• Orange — A good connection exists between a 100-Mbps network and the computer.

• Yellow — A good connection exists between a 1000-Mbps (or 1-Gbps) network and the computer.

• Off — The computer is not detecting a physical connection to the network.

Quick Reference Guide

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4 network adapter connector

To attach your computer to a network or broadband device, connect one end of a network cable to either a network jack or your network or broadband device.

Connect the other end of the network cable to the network adapter connector on your computer. A click indicates that the network cable has been securely attached.

NOTE:

Do not plug a telephone cable into the network connector.

On computers with an additional network connector card, use the connectors on the card and on the back of the computer when setting up multiple network connections (such as a separate intra- and extranet).

It is recommended that you use Category 5 wiring and connectors for your network. If you must use Category 3 wiring, force the network speed to 10 Mbps to ensure reliable operation.

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7 network activity light line-in connector line-out connector

Flashes a yellow light when the computer is transmitting or receiving network data. A high volume of network traffic may make this light appear to be in a steady

"on" state.

Use the blue line-in connector to attach a record/playback device such as a cassette player, CD player, or VCR.

On computers with a sound card, use the connector on the card.

Use the green line-out connector to attach headphones and most speakers with integrated amplifiers.

On computers with a sound card, use the connector on the card.

8 USB 2.0 connectors (2) Use the back USB connectors for devices that typically remain connected, such as printers and keyboards.

It is recommended that you use the front USB connectors for devices that you connect occasionally, such as flash memory keys or cameras., or for bootable USB devices.

9 USB 2.0 connectors (3) Use the back USB connectors for devices that typically remain connected, such as printers and keyboards.

It is recommended that you use the front USB connectors for devices that you connect occasionally, such as flash memory keys or cameras, or for bootable USB devices.

10 serial connector

11 keyboard connector

Connect a serial device, such as a handheld device, to the serial port. The default designations are COM1 for serial connector 1 and COM2 for the optional serial connector 2.

For more information, see "System Setup Options" in the User’s Guide .

If you have a standard keyboard, plug it into the purple keyboard connector.

If you have a USB keyboard, plug it into a USB connector.

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Quick Reference Guide

Inside View

CAUTION:

Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide .

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6 power supply system board secondary hard drive bay processor airflow shroud primary hard drive bay card fan

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8 processor fan lower 3.5 inch drive bay

9 upper 3.5 inch drive bay

10 lower 5.25 inch drive bay

11 upper 5.25 inch drive bay

12 drive cage

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Quick Reference Guide

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Key Features

  • PC Black 240 W
  • Intel® Core™ i5 i5-2400 3.1 GHz
  • 4 GB DDR3-SDRAM 1333 MHz 1 x 4 GB
  • 500 GB DVD-RW
  • Intel® HD Graphics 2000
  • Ethernet LAN
  • Windows 7 Professional 64-bit

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Frequently Answers and Questions

What makes the Dell Precision 390 stand out?
Its unique combination of affordability and computational capabilities, catering to both professional and personal use cases.
Is the Dell Precision 390 suitable for space-constrained environments?
Yes, its compact design allows for easy integration into small spaces.
Does the Dell Precision 390 offer ample connectivity options?
Yes, it features a range of ports and connectivity options, including USB, ethernet, and an optional DVD drive.
Can the Dell Precision 390 handle demanding professional applications?
Yes, it delivers desktop-level performance, making it suitable for various tasks, from basic computing to complex professional applications.
Where can I find more information about the Dell Precision 390?
You can refer to the User's Guide or visit the Dell support website for more comprehensive information.

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