Dell OptiPlex 990 Desktop Owner's manual
Dell OptiPlex 990
Setup And Features Information
About Warnings
WARNING: A WARNING indicates a potential for property damage, personal injury,
or death.
Mini Tower — Front And Back View
Figure 1. Front And Back View Of Mini Tower
1. power button, power light
2. optical-drive bay (optional)
3. headphone connector
4. microphone connector
5. diagnostic lights (4)
6. optical drive (optional)
7. optical-drive eject button
8. USB 2.0 connectors (4)
9. drive activity light
10. power supply diagnostic light
11. power supply diagnostic button
12. power connector
13. back panel connectors
14. expansion-card slots (4)
15. security-cable slot
16. padlock ring
Regulatory Model: D09M, D05D, D03S, D01U
Regulatory Type: D09M001, D05D001,
D03S001, D01U002
January 2011
Desktop — Front And Back View
Figure 2. Front And Back View Of Desktop
1. optical drive
2. optical-drive eject button
3. power button, power light
4. USB 2.0 connectors (4)
5. microphone connector
6. headphone connector
7. drive activity light
8. diagnostic lights (4)
9. padlock ring
10. security-cable slot
11. power connector
12. back panel connectors
13. expansion-card slots (4)
14. power supply diagnostic light
15. power supply diagnostic button
2
Small Form Factor — Front And Back View
Figure 3. Front And Back View Of Small Form Factor
1. optical drive
2. optical-drive eject button
3. power button, power light
4. USB 2.0 connectors (4)
5. microphone connector
6. headphone connector
7. diagnostic lights (4)
8. drive activity light
9. padlock ring
10. security-cable slot
11. power connector
12. power supply diagnostic button
13. power supply diagnostic light
14. back panel connectors
15. expansion-card slots (2)
3
Ultra Small Form Factor — Front And Back View
Figure 4. Front And Back View Of Ultra Small Form Factor
1. optical drive
2. optical-drive eject button
3. power button, power light
4. drive activity light
5. diagnostic lights (4)
6. headphone connector
7. microphone connector
8. USB 2.0 connectors (2)
9. Wi-Fi antenna (optional)
10. network activity light
11. captive thumbscrew
12. padlock ring
13. security-cable slot
14. power connector
15. line-out connector
16. line-in/microphone connector
17. DisplayPort connector
18. VGA connector
19. serial connector
20. USB 2.0 connectors (5)
21. network connector
22. link integrity light
4
Mini Tower And Desktop — Back Panel
Figure 5. Back Panel View of Mini Tower And Desktop
1. mouse connector
2. link integrity light
3. network connector
4. network activity light
5. serial connector
6. line-out connector
7. keyboard connector
8. USB 2.0 connectors (6)
9. DisplayPort connector
10. VGA connector
11. line-in/microphone connector
Small Form Factor — Back Panel
Figure 6. Back Panel View Of Small Form Factor
1. mouse connector
2. serial connector
3. link integrity light
4. network connector
5. network activity light
6. line-out connector
7. keyboard connector
8. DisplayPort connector
9. VGA connector
10. USB 2.0 connectors (6)
11. line-in/microphone connector
5
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.
1. Connect the monitor using only one of the following cables:
Figure 7. DVI Cable
Figure 8. DisplayPort Cable
Figure 9. VGA To DVI Adapter
Figure 10. DVI To DisplayPort Adapter
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Figure 11. VGA To DisplayPort Adapter
2. Connect the USB keyboard or mouse (optional).
Figure 12. USB Connection
3. Connect the network cable (optional).
Figure 13. Network Connection
4. Connect the modem (optional).
Figure 14. Modem Connection
5. Connect the power cable(s).
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Figure 15. Connecting Power
6. Press the power buttons on the monitor and the computer.
Figure 16. Turning On Power
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.
System Information
Chipset Intel 6 Series Express chipset
Processor
Processor • Intel Core i3 series
• Intel Core i5 series
• Intel Core i7 series
Video
Video type:
Integrated • Intel HD Graphics (with Intel Celeron/Pentium-
class CPU-GPU combo)
• Intel HD Graphics 2000 (with Intel Core i3 DC 65
W and Intel Core i5/i7 QC vPRO 95 W-class
CPU-GPU combo)
8
Video
Discrete PCI Express x 16 graphics adapter
Integrated video memory up to 1.7 GB shared video memory (Microsoft Windows
Vista and Windows 7)
Memory
Memory module connector:
Desktop, Mini Tower,
Small Form Factor
four DIMM slots
Ultra Small Form Factor two DIMM slots
Memory module capacity 1 GB, 2 GB, and 4 GB
Type DDR3 with 1333 MHz
Minimum memory 1 GB
Maximum memory:
Desktop, Mini Tower,
Small Form Factor
16 GB
Ultra Small Form Factor 8 GB
Drives
Externally accessible:
5.25 inch drive bays • Mini Tower — two
• Desktop — one
• Small Form Factor — one slim optical drive bay
• Ultra Small Form Factor — one slim optical drive
bay
Internally accessible:
3.5 inch SATA drive bays • Mini Tower — two
• Desktop — one
• Small Form Factor — one
• Ultra Small Form Factor — none
9
Drives
2.5 inch SATA drive bays • Mini Tower — two
• Desktop — one
• Small Form Factor — one
• Ultra Small Form Factor — one
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 Blue light — Blinking blue light indicates that the
computer is reading data from or writing data to the
hard drive.
Diagnostic lights Four lights located on the front panel of the
computer. For more information on the diagnostic
lights, see the
Service Manual
at support.dell.com/
manuals.
Back of computer
Power supply light Green light — 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.
NOTE: You can test the health of the power
system by pressing the test button. When the
system power supply voltage is within
specification, the self-test LED lights up. If the
LED does not light up, the power supply may be
defective. AC power must be connected during
this test.
10
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