Dell OptiPlex 5090 Micro Cable Cover Installation Guide
![Dell OptiPlex 5090 Micro Desktop manual cover](/images/MphljdTnNQltAikiYsSmZDNu/thumbs/thumb175x175.webp)
The Dell OptiPlex 5090 Micro Desktop measures 7.2 x 1.4 x 7 inches (18.2 x 3.6 x 17.8 cm).
To perform a factory reset, restart the desktop and press F8 during boot to access Advanced Boot Options. Select "Repair Your Computer" and follow the on-screen instructions to reset.
The Dell OptiPlex 5090 Micro Desktop supports up to 64GB of DDR4 RAM.
Download the latest BIOS update from Dell's official support site, run the downloaded file, and follow the on-screen instructions to update the BIOS.
Yes, the Dell OptiPlex 5090 Micro Desktop can be mounted behind a monitor using a compatible VESA mount bracket.
Check the power cable and outlet, ensure the power button is not stuck, and try a different power adapter. If the issue persists, contact Dell support.
Turn off and unplug the desktop, use compressed air to clean the vents and fan area, and ensure it's placed in a well-ventilated area.
The OptiPlex 5090 Micro supports M.2 PCIe NVMe SSDs and 2.5" SATA drives for various storage configurations.
The desktop supports multiple monitors through its DisplayPort and HDMI outputs. You may need additional adapters for more than two monitors.
Slow performance, inability to run new software, and insufficient storage or memory are common indicators for a hardware upgrade.