Dell Precision 7520/7720 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 : C5K3R

Importance : Critical

Version : 1.24.0, 1.24.0 Latest version Recommended version Latest and Recommended version

Release Date : 20 May 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. This update addresses Common Vulnerabilities and Exposures (CVE). Common Vulnerabilities and Exposures (CVE) is a list of security vulnerabilities and exposures that are publicly disclosed.

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: Precision_7x20_1.24.0.exe

File size: 13.35 MB

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

MD5: 5a0cd1b90ce48533c0fefa3ff7e687b0

SHA1: 90be4250435748485f91c844a43bc76b522dde99

SHA-256: 51b1f84b1871fc8b56578295af237be1a8cbf9ef1d01c9bb43189ccc944ce048

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: 13.35 MB

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

MD5: eb88ebb181e61340dcbdbf21567721ea

SHA1: 58cc65ad55ccb584d77af70ad6f80dee49568765

SHA-256: 6155138bbe3f788528c5cf830e981d0e859cd2df397511bd92ea692e53b6fe40

Download .RCV

File Format: This file format contains plain text which can be viewed with a standard text editor.

File Name: Precision_7x20_1.24.0_eng.txt

File size: 562.88 KB

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

MD5: 3d0f86cb9ca25ef792691c65645c522a

SHA1: 51b7815cc0da17cdfe63855003ccb10dcd8e7c37

SHA-256: e8b485b65e80891691d974d0ca72f0027e840b003f65cfb7564b7651e17edc54

Download .TXT

Important Information

- Once the BIOS is upgraded, you cannot downgrade the BIOS EXE/Recovery (RCV) to versions earlier than 1.4.1 due to restrictions. 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.

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.

Dell Precision 7520/7720 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to