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 : 5V81J

Importance : Critical

Version : 1.4.3, 1.4.3 Latest version Recommended version Latest and Recommended version

Release Date : 17 Jan 2022

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.

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_1.4.3.exe

File size: 47.64 MB

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

MD5: e2ed20b3ceccf5f24e98cc0e210a6c16

SHA1: 4f3ef3cd4f32243f21b465bdfd51858815751d9e

SHA-256: ee8b5e2f156a80dfda3e9bef0b422cfc8a8c3e6b9df7f7911fed83881723c0b4

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: 47.64 MB

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

MD5: e2ed20b3ceccf5f24e98cc0e210a6c16

SHA1: 4f3ef3cd4f32243f21b465bdfd51858815751d9e

SHA-256: ee8b5e2f156a80dfda3e9bef0b422cfc8a8c3e6b9df7f7911fed83881723c0b4

Download .RCV

Fixes & Enhancements

- Firmware updates to address security vulnerabilities.
- Fixed the issue where optical drive failure error message is displayed when you run Dell SupportAssist Quick Test. This issue occurs when SATA optical drive is connected to the system.
- Firmware updates to address the Intel Security Advisory INTEL-SA-00527 (CVE-2021-0107, CVE-2021-0111, CVE-2021-0114, CVE-2021-0115, CVE-2021-0116, CVE-2021-0117, CVE-2021-0118, CVE-2021-0119, CVE-2021-0124, CVE-2021-0125, CVE-2021-0156).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00532 (CVE-2021-0127).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00470 (CVE-2021-33068).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00561 (CVE-2021-0145).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00575 (CVE-2021-33107).

Important Information

- Once the BIOS is upgraded, you cannot downgrade the BIOS to version 1.0.30 or earlier. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- Do not power off the system until the process of updating the BIOS is completed.
- The Watchdog Timer option in BIOS Setup must be disabled before updating the BIOS.

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.

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.

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.

Dell OptiPlex 5090 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to