Dell OptiPlex 7090 Ultra - User Manual

OptiPlex 7090 Ultra
Service Manual
Regulatory Model: D13U
Regulatory Type: D13U002
August 2021
Rev. A01

Summary

Working on your computer

Safety instructions

Essential safety guidelines to protect users and equipment during computer operations.

Safety precautions

Key safety measures to follow before and during disassembly or repair tasks.

Electrostatic discharge-ESD protection

Methods to prevent damage to sensitive components from static electricity.

After working inside your device

Stands

Removing and installing components

Hard-drive assembly

Steps for removing and installing the complete hard-drive unit.

Hard-drive bracket

Hard drive

Steps for removing and installing the actual hard drive unit.

Solid-state drive in the hard-drive bay

Removing the M.2 2230 solid-state drive

Step-by-step guide to remove an M.2 2230 SSD.

Installing the M.2 2230 solid-state drive

Step-by-step guide to install an M.2 2230 SSD.

Removing the M.2 2280 solid-state drive

Step-by-step guide to remove an M.2 2280 SSD.

Installing the M.2 2280 solid-state drive

Solid-state drive daughter board

Cover

Memory module

WLAN card

Internal solid-state drive

eMMC Storage module

System fan

Power button

Coin-cell battery

System board

Heat-sink

Software

Drivers and downloads

Guidance on locating and installing necessary drivers and software updates.

System setup

Entering BIOS setup program

Boot menu

Boot Sequence

System setup options

Updating the BIOS

Comprehensive instructions for updating the system's BIOS.

System and setup password

Procedures for setting, managing, and changing user passwords.

Clearing BIOS (System Setup) and System passwords

Methods for resetting BIOS and system passwords.

Troubleshooting

Dell SupportAssist Pre-boot System Performance Check diagnostics

Running hardware diagnostics before the operating system loads.

Diagnostic LED

Interpreting the LED status indicators for system error codes.

Recovering the operating system

Steps and tools for restoring the system's operating system.

Real-Time Clock (RTC Reset)

Dell OptiPlex 7090 Ultra Specifications

General

Brand	Dell
Model	OptiPlex 7090 Ultra
Category	Monitor
Language	English