
Do you have a question about the Dell OptiPlex 7090 Small Form Factor and is the answer not in the manual?
Guidelines to protect your computer from damage and ensure personal safety.
Steps to prepare before performing disassembly or repair procedures.
Lists essential tools required for component removal and installation.
Details screws used for different components, including type and quantity.
Visual identification of key internal components of the computer system.
Procedures for removing and installing the computer's side panel.
Steps to remove and install the chassis intrusion detection switch.
Instructions for removing and installing the front chassis cover.
Procedures for removing and installing 2.5/3.5-inch hard drives and their caddy.
Instructions for removing and installing M.2 2230 and M.2 2280 SSDs.
Procedures for removing and installing the optical drive and its bracket.
Steps for removing and installing the SD card reader module.
Instructions for removing and installing the wireless LAN card.
Procedures for removing and installing the CPU fan and heat sink.
Steps for removing and installing the graphics processing unit.
Instructions for removing and installing the CMOS coin-cell battery.
Procedures for removing and installing RAM modules.
Steps for removing and installing the CPU.
Instructions for removing and installing the system's power button assembly.
Procedures for removing and installing the computer's power supply.
Procedures for removing and installing the main system board.
Information on obtaining and installing necessary system drivers and software.
How to access and use the one-time boot menu options.
Explains keyboard keys used for navigating BIOS setup.
How to change the order of devices for system startup.
Details various configurable settings within the BIOS/System Setup.
Overview of the built-in hardware diagnostic tool and its features.
Explains blinking patterns of diagnostic LEDs and their meanings.
Information on using Dell SupportAssist OS Recovery for system restoration.
Instructions for updating the system's BIOS firmware.
Recommendations for creating recovery media for Windows.
Procedure for troubleshooting Wi-Fi connectivity issues.
Steps to drain residual power for troubleshooting or component replacement.
List of Dell resources for product information and support.
Information on how to reach Dell for sales, support, and service issues.











