Dell OptiPlex 5090 System BIOS

Restart required

Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

Driver Id : 3C9YD

Importance : Critical

Version : 1.23.0, 1.23.0 Latest version Recommended version Latest and Recommended version

Release Date : 07 Mar 2024

Download Type : System BIOS

Category : BIOS

This package contains the Dell system BIOS update. BIOS is a firmware package that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. This update addresses the Dell Security Advisories (DSA). A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.

Download Files

File Format: This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.

File Name: OptiPlex_5090_1.23.0.exe

File size: 49.11 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: 40378f1677b7cda5d83f729fb4d0c663

SHA1: 4acca0eb9f5584d7527f3878f8ed4ab2a9f5b393

SHA-256: dc3706e72fdc25d9a5aa3a77ea4a7b49390577a1617e7bc2adbb620242b9300a

Download .EXE

File Format: This file format consists of a BIOS Recovery image file. This file is used for the System BIOS Recovery process to recover a system from a corrupted BIOS.

File Name: BIOS_IMG.rcv

File size: 49.1 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: a513e15021fb04cce6f661fc36d0287f

SHA1: 3fd825190e86cfe0a4d989dec01cd955b4f1a79c

SHA-256: 5b36beaecaf1db2cac440970a4caf1a34817806c889a43d0c2ad9042b9634f0d

Download .RCV

Fixes & Enhancements

- This release contains security updates as disclosed in the Dell Security Advisory DSA-2024-030. For more information, see Dell Security Advisories and Notices.
- Fixed an issue where the system stops responding at the BIOS Auto-Recovery screen when you update the BIOS.
- Fixed an issue where the system stops responding and a black screen is displayed after you resume the system from sleep mode. This issue occurs when you update the BIOS in silent mode by using the Command prompt.

Important Information

- Once the BIOS is upgraded, you cannot downgrade the BIOS to version 1.13.90 or earlier. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- BIOS updates take no more than 5 minutes to be installed on your system. You can install the updates in the background while using the system.

Compatible Systems

OptiPlex 5090 Micro

OptiPlex 5090 Small Form Factor

OptiPlex 5090 Tower

Installation instructions

Updating the BIOS from Windows

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Download and Installation
1. Click Download File.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file.
4. Double-click the new file.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.

Updating the BIOS from BIOS Boot Menu (independent of operating system)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Installation
1. Copy the downloaded file to a USB drive. You do not need a bootable USB drive.
2. Insert the USB drive into any USB port.
3. Power on the system.
4. At the DELL logo screen, press F12 to access the one-time boot menu.
5. Select BIOS Flash Update in the Other Options section.
6. Click the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click Ok.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a Flash Progress bar at the Dell logo screen. The system restarts again when the Flash update is complete.