User Manual
Page 1
... View Figure 1. Front And Back View Of Mini-Tower 1. optical drive bay 3. headphone connector 4. power-supply diagnostic light 11. power-supply diagnostic button 12. power button 2. microphone connector 5. USB 2.0 connectors (2) 9. optical drive eject button 8. Mini-Tower - Dell Optiplex 390 Setup And Features Information About Warnings WARNING: A WARNING indicates a potential for property damage, personal injury, or death...
... View Figure 1. Front And Back View Of Mini-Tower 1. optical drive bay 3. headphone connector 4. power-supply diagnostic light 11. power-supply diagnostic button 12. power button 2. microphone connector 5. USB 2.0 connectors (2) 9. optical drive eject button 8. Mini-Tower - Dell Optiplex 390 Setup And Features Information About Warnings WARNING: A WARNING indicates a potential for property damage, personal injury, or death...
User Manual
Page 2
optical drive eject button 3. expansion card slots (4) 14. power-supply diagnostic light 15. headphone connector 7. hard-drive activity light 8. diagnostic lights (4) 9. power-supply diagnostic button 2 back panel connectors 14. padlock ring Figure 2. microphone connector 6. power button 4. power cable connector 12. Front And Back View 15. optical drive 2. USB 2.0 connectors (2) 5. back panel connectors 13. Front And Back View Of Desktop 1. 13. expansion card slots (4) Desktop - security cable slot 16. padlock ring 10. security cable slot 11.
optical drive eject button 3. expansion card slots (4) 14. power-supply diagnostic light 15. headphone connector 7. hard-drive activity light 8. diagnostic lights (4) 9. power-supply diagnostic button 2 back panel connectors 14. padlock ring Figure 2. microphone connector 6. power button 4. power cable connector 12. Front And Back View 15. optical drive 2. USB 2.0 connectors (2) 5. back panel connectors 13. Front And Back View Of Desktop 1. 13. expansion card slots (4) Desktop - security cable slot 16. padlock ring 10. security cable slot 11.
User Manual
Page 4
optical drive eject button 3. microphone connector 6. diagnostic lights (4) 8. power cable connector 12. back panel connectors 15. optical drive 2. hard-drive activity light 9. expansion card slots (2) 4 USB 2.0 connectors (2) 5. Front And Back View Figure 4. power button 4. Front And Back View Of Small Form Factor 1. security cable slot 11. power-supply diagnostic light 14. Small Form Factor - padlock ring 10. power-supply diagnostic button 13. headphone connector 7.
optical drive eject button 3. microphone connector 6. diagnostic lights (4) 8. power cable connector 12. back panel connectors 15. optical drive 2. hard-drive activity light 9. expansion card slots (2) 4 USB 2.0 connectors (2) 5. Front And Back View Figure 4. power button 4. Front And Back View Of Small Form Factor 1. security cable slot 11. power-supply diagnostic light 14. Small Form Factor - padlock ring 10. power-supply diagnostic button 13. headphone connector 7.
User Manual
Page 8
....dell.com/manuals. Back of computer: Power button light Blue light - Memory Minimum memory Maximum memory 1 GB 8 GB Drives Externally accessible: 5.25 inch drive bays Internally accessible: 3.5 inch drive bays Mini-Tower two two Desktop one one Small Form Factor one (slimline) one Control Lights And Diagnostic Lights Front of computer: Power supply light Green light - Solid blue light...
....dell.com/manuals. Back of computer: Power button light Blue light - Memory Minimum memory Maximum memory 1 GB 8 GB Drives Externally accessible: 5.25 inch drive bays Internally accessible: 3.5 inch drive bays Mini-Tower two two Desktop one one Small Form Factor one (slimline) one Control Lights And Diagnostic Lights Front of computer: Power supply light Green light - Solid blue light...
Technical Guide
Page 3
DELL™ OPTIPLEX™ 390 TECHNICAL GUIDEBOOK -FINAL MINI TOWER COMPUTER (MT) VIEW 1 6 10 7 11 15 2 12 16 8 3 4 9 5 13 14 FRONT VIEW BACK VIEW 1 Power Button, Power Light 6 Optical Drive (optional) 2 Optical Drive Bay (optional) 7 Optical Drive Eject Button 3 Microphone Connector 8 USB 2.0 Connectors (2) 4 Headphone Connector 9 Drive Activity Light 10 Power Supply Diagnostic 14 Expansion Card Slots(4) Light 11...
DELL™ OPTIPLEX™ 390 TECHNICAL GUIDEBOOK -FINAL MINI TOWER COMPUTER (MT) VIEW 1 6 10 7 11 15 2 12 16 8 3 4 9 5 13 14 FRONT VIEW BACK VIEW 1 Power Button, Power Light 6 Optical Drive (optional) 2 Optical Drive Bay (optional) 7 Optical Drive Eject Button 3 Microphone Connector 8 USB 2.0 Connectors (2) 4 Headphone Connector 9 Drive Activity Light 10 Power Supply Diagnostic 14 Expansion Card Slots(4) Light 11...
Technical Guide
Page 5
DELL™ OPTIPLEX™ 390 TECHNICAL GUIDEBOOK -FINAL DESKTOP COMPUTER (DT) VIEW 1 2 3 9 10 11 4 56 7 8 12 13 14 15 FRONT VIEW 1 Optical Drive BACK VIEW 5 Microphone Connector 9 Padlock Ring 13 Expansion Card Slots(4) 2 Optical Drive Eject Button 6 Headphone Connector 10 Security Cable Slot 3 Power Button, Power Light 4 USB Connectors (2) 7 Drive Activity Light 8 Diagnostic Lights (4) 11 Power Connectors 12...
DELL™ OPTIPLEX™ 390 TECHNICAL GUIDEBOOK -FINAL DESKTOP COMPUTER (DT) VIEW 1 2 3 9 10 11 4 56 7 8 12 13 14 15 FRONT VIEW 1 Optical Drive BACK VIEW 5 Microphone Connector 9 Padlock Ring 13 Expansion Card Slots(4) 2 Optical Drive Eject Button 6 Headphone Connector 10 Security Cable Slot 3 Power Button, Power Light 4 USB Connectors (2) 7 Drive Activity Light 8 Diagnostic Lights (4) 11 Power Connectors 12...
Technical Guide
Page 7
DELL™ OPTIPLEX™ 390 TECHNICAL GUIDEBOOK -FINAL SMALL FORM FACTOR COMPUTER (SFF) VIEW 1 2 3 9 10 11 12 13 4 56 7 8 14 15 FRONT VIEW 1 Optical Drive 5 Microphone Connector 2 Optical Drive Eject Button 6 Headphone Connector 3 Power Button, Power Light 4 USB 2.0 Connectors (2) 7 Diagnostic Lights (4) 8 Drive Activity Light BACK VIEW 9 Padlock Ring 10 Security Cable Slot 11 Power Connectors 13 Power Supply...
DELL™ OPTIPLEX™ 390 TECHNICAL GUIDEBOOK -FINAL SMALL FORM FACTOR COMPUTER (SFF) VIEW 1 2 3 9 10 11 12 13 4 56 7 8 14 15 FRONT VIEW 1 Optical Drive 5 Microphone Connector 2 Optical Drive Eject Button 6 Headphone Connector 3 Power Button, Power Light 4 USB 2.0 Connectors (2) 7 Diagnostic Lights (4) 8 Drive Activity Light BACK VIEW 9 Padlock Ring 10 Security Cable Slot 11 Power Connectors 13 Power Supply...
Owners Manual
Page 67
...Ensure that any power strips being used are plugged into an electrical outlet and are only active and visible during the POST process. Diagnostic Light Patterns LED Power Button Problem Description Troubleshooting Steps The computer is either turned off , and will blink when the power button is ... the electrical outlet. • Bypass power strips, power extension cables, and other significance. This has no longer visible. NOTE: The diagnostic lights will not blink when it with the system easier and more accurate. These LEDs do not indicate the problem that the electrical outlet is...
...Ensure that any power strips being used are plugged into an electrical outlet and are only active and visible during the POST process. Diagnostic Light Patterns LED Power Button Problem Description Troubleshooting Steps The computer is either turned off , and will blink when the power button is ... the electrical outlet. • Bypass power strips, power extension cables, and other significance. This has no longer visible. NOTE: The diagnostic lights will not blink when it with the system easier and more accurate. These LEDs do not indicate the problem that the electrical outlet is...
Owners Manual
Page 85
...: Power supply diagnostic light Blue light - Amber light - Blinking blue light indicates that the computer is reading data from or writing data to the power connector (at support.dell.com/manuals. Four lights located on and is turned on the front panel of the computer. Green light - The power...connected to the hard drive. Solid amber light when the computer does not start indicates a problem with the system board. Solid blue light indicates power-on the diagnostic lights, see the Service Manual at the back 85 Blinking amber light indicates a problem with the system board ...
...: Power supply diagnostic light Blue light - Amber light - Blinking blue light indicates that the computer is reading data from or writing data to the power connector (at support.dell.com/manuals. Four lights located on and is turned on the front panel of the computer. Green light - The power...connected to the hard drive. Solid amber light when the computer does not start indicates a problem with the system board. Solid blue light indicates power-on the diagnostic lights, see the Service Manual at the back 85 Blinking amber light indicates a problem with the system board ...