Dell OptiPlex 7090 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.

hi testing

Driver Id : PMXJC

Importance : Critical

Version : 1.21.1, 1.21.1 Latest version Recommended version Latest and Recommended version

Release Date : 13 Dec 2023

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_7090_1.21.1.exe

File size: 50.69 MB

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

MD5: fa0b1c7facf0713b78ff86174caed781

SHA1: 0afec1cc30e8242398f589581afea22c13fd145d

SHA-256: 0ac9965533d2e34aff230a1385f590b994cb4dadb8c6e47a8d7c23243896f2e9

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: 50.67 MB

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

MD5: b263d18fad1b597ded429cd1b48c7fb4

SHA1: 39658f908cfdba0d199b247df2a593c2aeaffa25

SHA-256: 3f1a07295b84fedff4e846444a8d1e7e2782247ec8c2a5a4826bf98bc9027e61

Download .RCV

Fixes & Enhancements

- This release contains security updates as disclosed in the Dell Security Advisory DSA-2023-359. For more information, see Dell Security Advisories and Notices.
- Fixed the issue where the BIOS admin password cannot be set if Dell Encryption PBA is active.
- Fixed the issue where the system can boot on the bootable key when the BIOS admin password is set.
- Fixed the issue where the system stops responding during Power-On Self-Test (POST). This issue occurs when the NVMe or Trusted Platform Module firmware is interrupted while updating the firmware.
- Fixed the issue where the Admin Unlock window in the BIOS setup stops responding or the system reboots automatically. This issue occurs when you enter the wrong Master Password in the system password prompt by pressing CTRL+Enter.

Important Information

- Do not power off the system until the process of updating the BIOS is completed.
- Once the BIOS is upgraded, you cannot downgrade the BIOS to versions earlier than 1.14.1. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- The Watchdog Timer option in BIOS Setup must be disabled before updating the BIOS.
- 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 7090 Micro

OptiPlex 7090 Small Form Factor

OptiPlex 7090 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. The USB drive does not need to be bootable device.
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.