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Dell OptiPlex 790 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.
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.
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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.
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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.
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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 Small Form Factor — Back Panel Figure 6.
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.
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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).
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 Processor...
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Memory Memory module connectors Desktop, Mini-Tower, Small Form Factor Ultra Small Form Factor Memory module capacity Type Minimum memory Maximum memory Desktop, Mini-Tower, Small Form Factor Ultra Small Form Factor Drives Externally accessible: 5.25 inch drive bays Mini-Tower Desktop Small Form Factor Ultra Small Form Factor Internally accessible: 3.5 inch SATA drive bays...
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For more information on the diagnostic Service Manual at lights, see the support.dell.com/manuals. 3 V CR2032 lithium coin cell 100 VAC to 240 VAC, 50 Hz to 60 Hz, 5.00 A 100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.40 A 100 VAC to 240 VAC, 50 Hz to 60 Hz, 3.60 A...
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Power Small Form Factor Ultra Small Form Factor Maximum heat dissipation Mini-Tower Desktop Small Form Factor Ultra Small Form Factor NOTE: Heat dissipation is calculated by using the power supply wattage rating. NOTE: See the safety information that shipped with your computer for important voltage-setting information.
Storage Airborne contaminant level Finding More Information and Resources See the safety and regulatory documents that shipped with your computer and the regulatory compliance website at www.dell.com/ regulatory_compliance for more information on: • Safety best practices • Regulatory certification • Ergonomics See www.dell.com for additional information on:...
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Other trademarks and trade names may be used in this publication 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.