Need help?Do you have a question about the Dell OptiPlex 990 Mini-Tower and is the answer not in the manual?
General| Chipset | Intel Q67 Express |
|---|---|
| Memory Type | DDR3 SDRAM |
| Memory Slots | 4 DIMM slots |
| Maximum Memory | 16GB |
| Storage Interface | SATA 3.0 Gb/s |
| Form Factor | Mini-Tower |
| Processor | Intel Core i7, Intel Core i5, Intel Core i3 |
| Storage | Up to 2 TB HDD |
| Optical Drive | DVD+/-RW |
| Graphics | Integrated Intel HD Graphics |
| Audio | Integrated HD Audio |
| Networking | Gigabit Ethernet |
| Front Ports | 2 USB 2.0, headphone/microphone jacks |
| Rear Ports | 6 USB 2.0, 1 x VGA, 1 x DisplayPort, audio jacks, RJ-45 |
| Expansion Slots | 1 PCIe x16, 1 PCIe x1, 1 PCI |
| Power Supply | 305W |
| Operating System | Windows 7 |
| Dimensions (H x W x D) | 17.5 cm |
Explains the meaning of NOTE, CAUTION, and WARNING symbols used in the manual.
Safety guidelines and preparations before working inside the computer.
Lists essential tools required for performing service procedures.
Step-by-step instructions for safely shutting down the computer.
Steps to follow after completing internal computer work.
Procedures for removing and reinstalling the computer's chassis cover.
Steps to detach and reattach the front panel bezel from the chassis.
Procedures for removing and installing expansion cards into PCI/PCIe slots.
Procedures for removing and installing a hard drive from the computer.
Steps to remove and install RAM modules from the system board.
Procedures to remove and install the heat sink and processor assembly.
Steps to remove and install the internal power supply unit.
Procedures to remove and install the main system board from the chassis.
How to enter BIOS setup and the one-time boot menu.
Explains diagnostic beep codes and text error messages.
Overview of general system information and configuration settings.
Explains diagnostic LEDs and their patterns for troubleshooting.
Lists diagnostic beep codes and their causes.
Provides explanations for various error messages encountered.
Details on processor, memory, video, audio, and network components.
Information on how to contact Dell for sales and support.
To Next Page