User Manual
Page 1
... View Figure 1. headphone connector 4. optical drive (optional) 7. optical-drive eject button 8. power supply diagnostic button 12. back panel connectors 14. Mini Tower - security-cable slot 16. optical-drive bay (optional) 3. USB 2.0 connectors (4) 9. drive activity light 10. diagnostic lights (4) 6. power button, power light 2. Dell OptiPlex 990 Setup And Features Information About Warnings WARNING: A WARNING indicates a potential for property damage...
... View Figure 1. headphone connector 4. optical drive (optional) 7. optical-drive eject button 8. power supply diagnostic button 12. back panel connectors 14. Mini Tower - security-cable slot 16. optical-drive bay (optional) 3. USB 2.0 connectors (4) 9. drive activity light 10. diagnostic lights (4) 6. power button, power light 2. Dell OptiPlex 990 Setup And Features Information About Warnings WARNING: A WARNING indicates a potential for property damage...
User Manual
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optical-drive eject button 3. microphone connector 6. padlock ring 10. optical drive 2. power button, power light 4. expansion-card slots (4) 14. power supply diagnostic light 15. power connector 12. security-cable slot 11. back panel connectors 13. drive activity light 8. headphone connector 7. Desktop - Front And Back View Figure 2. Front And Back View Of Desktop 1. USB 2.0 connectors (4) 5. diagnostic lights (4) 9. power supply diagnostic button 2
optical-drive eject button 3. microphone connector 6. padlock ring 10. optical drive 2. power button, power light 4. expansion-card slots (4) 14. power supply diagnostic light 15. power connector 12. security-cable slot 11. back panel connectors 13. drive activity light 8. headphone connector 7. Desktop - Front And Back View Figure 2. Front And Back View Of Desktop 1. USB 2.0 connectors (4) 5. diagnostic lights (4) 9. power supply diagnostic button 2
User Manual
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power supply diagnostic light 14. expansion-card slots (2) 3 power connector 12. power button, power light 4. microphone connector 6. power supply diagnostic button 13. drive activity light 9. padlock ring 10. Front And Back View Of Small Form Factor 1. USB 2.0 connectors (4) 5. diagnostic lights (4) 8. back panel connectors 15. optical drive 2. optical-drive eject button 3. Small Form Factor - Front And Back View Figure 3. headphone connector 7. security-cable slot 11.
power supply diagnostic light 14. expansion-card slots (2) 3 power connector 12. power button, power light 4. microphone connector 6. power supply diagnostic button 13. drive activity light 9. padlock ring 10. Front And Back View Of Small Form Factor 1. USB 2.0 connectors (4) 5. diagnostic lights (4) 8. back panel connectors 15. optical drive 2. optical-drive eject button 3. Small Form Factor - Front And Back View Figure 3. headphone connector 7. security-cable slot 11.
User Manual
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...Form Factor 1. optical-drive eject button 3. diagnostic lights (4) 6. microphone connector 8. network activity light 11. power connector 15. Wi-Fi antenna (optional) 10. line-out connector 16. VGA connector 19. network connector 22. link integrity light 4 Ultra Small Form Factor - USB ...2.0 connectors (2) 9. captive thumbscrew 12. security-cable slot 14. optical drive 2. padlock ring 13. power button, power light 4. USB 2.0 connectors (5) 21. line-in/microphone...
...Form Factor 1. optical-drive eject button 3. diagnostic lights (4) 6. microphone connector 8. network activity light 11. power connector 15. Wi-Fi antenna (optional) 10. line-out connector 16. VGA connector 19. network connector 22. link integrity light 4 Ultra Small Form Factor - USB ...2.0 connectors (2) 9. captive thumbscrew 12. security-cable slot 14. optical drive 2. padlock ring 13. power button, power light 4. USB 2.0 connectors (5) 21. line-in/microphone...
User Manual
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...Control Lights And Diagnostic Lights Front of the computer. Drive activity light Blue light - Diagnostic lights Four lights located on the diagnostic lights, see the Service Manual at the back of the power system by pressing the test button. Back of the computer. one • Small Form Factor - Solid amber light when... be connected during this test. 10 blinking blue light indicates sleep state of computer Power supply light Green light - The power supply is reading data from or writing data to the power connector (at support.dell.com/ manuals. NOTE: You can test the health...
...Control Lights And Diagnostic Lights Front of the computer. Drive activity light Blue light - Diagnostic lights Four lights located on the diagnostic lights, see the Service Manual at the back of the power system by pressing the test button. Back of the computer. one • Small Form Factor - Solid amber light when... be connected during this test. 10 blinking blue light indicates sleep state of computer Power supply light Green light - The power supply is reading data from or writing data to the power connector (at support.dell.com/ manuals. NOTE: You can test the health...
Technical Guide
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DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 MINI TOWER COMPUTER (MT) VIEW FRONT VIEW BACK VIEW 1 Power Button, Power Light 6 Optical Drive (optional) 10 Power Supply Diagnostic 14 Expansion Card Slots(4) Light 2 Optical Drive Bay (optional) 3 Headphone Connector 4 Microphone Connector 7 Optical Drive Eject Button 8 USB 2.0 Connectors (4) 9 Drive Activity Light 11 Power Supply Diagnostic 15 Security Cable Slot Button 12...
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 MINI TOWER COMPUTER (MT) VIEW FRONT VIEW BACK VIEW 1 Power Button, Power Light 6 Optical Drive (optional) 10 Power Supply Diagnostic 14 Expansion Card Slots(4) Light 2 Optical Drive Bay (optional) 3 Headphone Connector 4 Microphone Connector 7 Optical Drive Eject Button 8 USB 2.0 Connectors (4) 9 Drive Activity Light 11 Power Supply Diagnostic 15 Security Cable Slot Button 12...
Technical Guide
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DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 DESKTOP COMPUTER (DT) VIEW 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 (4) 7 Drive Activity Light 8 Diagnostic Lights (4) 11 Power Connectors 12 Back Panel Connectors 14 Power Supply Diagnostic Light 15 Power...
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 DESKTOP COMPUTER (DT) VIEW 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 (4) 7 Drive Activity Light 8 Diagnostic Lights (4) 11 Power Connectors 12 Back Panel Connectors 14 Power Supply Diagnostic Light 15 Power...
Technical Guide
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DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 SMALL FORM FACTOR COMPUTER (SFF) VIEW 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 Diagnostic Light 14 Back Panel Connectors 15 Expansion Card Slots...
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 SMALL FORM FACTOR COMPUTER (SFF) VIEW 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 Diagnostic Light 14 Back Panel Connectors 15 Expansion Card Slots...
Technical Guide
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DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 ULTRA SMALL FORM FACTOR COMPUTER (USFF) VIEW FRONT VIEW 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 Connectors (2) BACK VIEW 10 Wi-Fi Antenna (optional) 17 Line-in/ Microphone Connector 11 Network Activity Light 18 DisplayPort Connector 12 Captive Thumbscrew...
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 ULTRA SMALL FORM FACTOR COMPUTER (USFF) VIEW FRONT VIEW 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 Connectors (2) BACK VIEW 10 Wi-Fi Antenna (optional) 17 Line-in/ Microphone Connector 11 Network Activity Light 18 DisplayPort Connector 12 Captive Thumbscrew...