Dell OptiPlex 790 Mini Tower Owner's Manual

Dell OptiPlex 790 Mini Tower Desktop manual cover
Pages 94
Year 0
Language(s)
English en

Dell OptiPlex 790 Mini Tower Desktop Specification

The Dell OptiPlex 790 Mini Tower Desktop is a versatile and robust computing solution designed for business environments requiring reliable performance and efficient management. Powered by Intel's second-generation Core processors, it offers a range of options from i3 to i7, providing flexibility to meet various performance needs. It supports up to 16GB of DDR3 RAM, allowing for smooth multitasking and enhanced productivity in demanding applications. The desktop features integrated Intel HD Graphics, which can handle everyday graphical tasks with ease. For more intensive graphical needs, it includes options for discrete graphics cards.

Storage is flexible, with configurations supporting hard drives ranging from 250GB to 1TB, ensuring ample space for data storage. The OptiPlex 790 also includes SATA 2.0 and 3.0 ports for faster data transfer rates. Connectivity options are comprehensive, featuring multiple USB 2.0 and USB 3.0 ports, VGA and DisplayPort outputs for dual-monitor setups, and optional Wi-Fi and Bluetooth capabilities for wireless networking.

The system is designed for ease of management and security, supporting Dell's remote management solutions and featuring TPM 1.2 for hardware-based data protection. Its mini-tower form factor provides expandability with its various PCI and PCIe slots, accommodating additional peripherals and upgrades. The desktop operates quietly and efficiently, thanks to its smart cooling design and energy-efficient components, adhering to ENERGY STAR 5.0 and EPEAT Gold standards. The Dell OptiPlex 790 Mini Tower Desktop balances performance, expandability, and manageability, making it an ideal choice for organizations seeking a dependable and scalable desktop solution.

Dell OptiPlex 790 Mini Tower Desktop F.A.Q.

How do I upgrade the RAM in my Dell OptiPlex 790 Mini Tower?

To upgrade the RAM, first power down the system and unplug all cables. Open the side panel by removing the screws at the back. Locate the RAM slots on the motherboard, remove the existing RAM by pressing down on the levers at each end of the slot, and insert the new RAM modules by aligning them with the slot and pressing down until they click into place.

What should I do if my OptiPlex 790 Mini Tower won't power on?

Check the power cable and ensure it is securely connected to both the PC and the power outlet. Verify the outlet is working by testing with another device. If the issue persists, open the case and ensure all internal cables are properly connected. If none of these solutions work, consider testing the power supply unit or contacting Dell support for assistance.

How can I clean the interior of my Dell OptiPlex 790 Mini Tower?

Turn off and unplug the computer. Open the side panel and use compressed air to blow out dust and debris from the components, fans, and vents. Avoid using a vacuum cleaner as it can cause static damage. Wipe surfaces gently with a dry, lint-free cloth if necessary.

What is the maximum storage capacity supported by the OptiPlex 790 Mini Tower?

The Dell OptiPlex 790 Mini Tower supports up to 2 TB of storage with a single hard drive. For additional storage, you can install multiple drives using available bays and connectors, depending on your specific configuration.

How do I reset the BIOS password on my Dell OptiPlex 790?

To reset the BIOS password, power down the computer and unplug it. Open the case and locate the jumper labeled 'PSWD' on the motherboard. Remove the jumper cap, wait for about 5 seconds, and then replace it. Close the case, plug in the computer, and start it up. The BIOS password should now be cleared.

Why is my OptiPlex 790 Mini Tower overheating and how can I fix it?

Overheating can be caused by dust buildup, insufficient ventilation, or failing fans. Clean the interior with compressed air, ensuring all vents and fans are free of dust. Check that all fans are operational and consider replacing them if they are not. Ensure the PC is placed in a well-ventilated area.

Can I install a dedicated graphics card in the Dell OptiPlex 790 Mini Tower?

Yes, you can install a dedicated graphics card in the OptiPlex 790 Mini Tower. Ensure that the card fits within the available PCI Express x16 slot and that the power supply can handle the additional power requirements. Refer to the card's installation guide for specific instructions.

How do I enable virtualization on the Dell OptiPlex 790?

To enable virtualization, restart your computer and enter the BIOS setup by pressing the F2 key during boot. Navigate to the 'Advanced' tab, locate the 'Virtualization Technology' option, and set it to 'Enabled'. Save the changes and exit the BIOS setup.

What steps should I take if my OptiPlex 790 is running slow?

Check for and remove any malware or viruses using reliable antivirus software. Uninstall unnecessary programs and disable startup programs that you don't need. Consider upgrading the RAM or replacing the hard drive with an SSD for better performance. Regularly update your operating system and drivers.

How can I troubleshoot connectivity issues with my Dell OptiPlex 790's network adapter?

Ensure the network cable is securely connected and test with a different cable if possible. Restart the router and computer. Check the network adapter settings in the Device Manager and update its driver if necessary. If issues persist, consider resetting the network settings or replacing the network adapter.