Dell Precision 7820 and 7920 Tower 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 : DJXW1

Importance : Critical

Version : 2.35.0, 2.35.0 Latest version Recommended version Latest and Recommended version

Release Date : 09 Aug 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: 7X20T_2.35.0.exe

File size: 14.29 MB

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

MD5: 8e780d03a991a25b0d5702758e1aa55e

SHA1: 0fb1f9281b2dce8837aebb7da022d9d874b471c6

SHA-256: 7e291554f1d009e8848f016b0fd208aa098dfe794fd85dc0065576ccd56150e7

Download .EXE

Fixes & Enhancements

- This release contains security updates as disclosed in the Dell Security Advisories DSA-2023-113, DSA-2023-180, DSA-2023-152, DSA-2023-161, DSA-2023-221, and DSA-2023-214. For more information, see Dell Security Advisories and Notices.

Important Information

- Do not power off the system until the process of updating the BIOS is completed.
- During the BIOS update, the system automatically reboots multiple times. When the BIOS update process is completed, the system boots to the desktop screen.
- 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

7820 XL Tower

7920 XL Tower

Precision 7820 Tower

Precision 7920 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 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.

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 Update in the section.
6. Click Flash from file to browse the USB drive to locate the downloaded file.
7. Select the file and click Submit.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Update BIOS.
10. Review the Warning message and click Confirm Update BIOS! to proceed with the update.
The system restarts and displays a progress bar at the Dell logo screen. The system restarts again when the update is complete.

Applies to

Dell Precision 7820T BIOS

Dell Precision 7820XLT BIOS

Dell Precision 7920T BIOS

Dell Precision 7920XLT BIOS

Dell Precision T7820 BIOS

Dell Precision T7920 BIOS