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 : YJJRN

Importance : Critical

Version : 1.15.1, 1.15.1 Latest version Recommended version Latest and Recommended version

Release Date : 02 Jul 2019

Download Type : System BIOS

Category : BIOS

This package contains the Dell system BIOS update. It is supported on Dell Precision 7520 and 7720 systems that run the Windows and DOS operating systems. BIOS is a firmware 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 Intel security advisories INTEL-SA-00233 and INTEL-SA-00213. A security advisory is a statement when a product is impacted by a security vulnerability and a remedy is available.

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_1.15.1.exe

File size: 9.65 MB

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

MD5: 840fdb78fa9daae62b8dd8afaef33265

SHA1: 309489ab38c06360ed682a4001f630f9cfe37db8

SHA-256: 78592f602f902fd5affeefb583b636ba64913746146e1dd253967ded064fa2cf

Download .EXE

Fixes & Enhancements

Fixes:
- Firmware updates to address security advisories INTEL-SA-00233(CVE-2018-12126, CVE-2018-12127, CVE-2018-12130 and CVE-2019-11091)
- Firmware updates to address security advisory INTEL-SA-00213 (CVE-2019-0090, CVE-2019-0086, CVE-2019-0091, CVE-2019-0092, CVE-2019-0093, CVE-2019-0094, CVE-2019-0096, CVE-2019-0097, CVE-2019-0098, CVE-2019-0153 and CVE-2019-0170).
- Removed the pre-boot Intel RST Manager Optimized Defaults option.
- Fixed the issue where the boot mode setting is ineffective when it is changed from Boot Menu.

Enhancements:
- Updated the Enhanced Pre-Boot System Assessment (ePSA) firmware.

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.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.

Download and Installation
1. Click Download File, to download the file.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file and 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 DOS (Non-Windows users)

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.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.

Installation
Note: You must provide a bootable USB drive. This executable file does not create the DOS system files.
1. Copy the downloaded file to a bootable USB drive.
2. Power on the system and then Press the F12 key.
3. Select USB Storage Device and boot to the DOS prompt.
4. Run the file by typing following command. For example:
C:\ Precision_7X20_X.Y.Z.exe
Where C is the drive letter of the USB device where the executable file is located and Precision_7X20_X.Y.Z.exe is the name of the downloaded 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 DOS with UEFI boot mode enabled (Non-Windows users, Load Legacy Option Disabled)

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.
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 bootable DOS USB drive.
2. Power on the system and then go to BIOS Setup by pressing the F2 key.
3. Go to General > Boot Sequence > Boot > Boot List Option.
4. Change UEFI to Legacy of Boot List Option.
5. Go to Exit > Save Changes and reboot system.
6. Press F12 and then select USB Storage Device and boot to the DOS prompt.
7. Run the file by typing the file name.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, the system restarts again.
8. Go to BIOS Setup by pressing the F2 key and go to General > Boot Sequence > Boot > Boot List Option.
9. Change Legacy to UEFI Boot Option.
10. Go to Exit > Save Changes and reboot the system.

Dell Precision 7520/7720 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to