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.

Dell Latitude E6520 System BIOS

Restart required Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
This package contains the BIOS update for Dell Latitude E6520 and is supported on Latitude E6520 that runs 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 package addresses the Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 & CVE-2018-3640).
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Fixes & Enhancements

Fixes:
- Updated CPU microcode to address security advisory Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 & CVE-2018-3640).

Enhancements:
- N/A
Read More

Version

A22, A22

Release date

17 Jan 2019

Download Type

System BIOS

Category

BIOS

Importance

Critical
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
Available formats View Important Information
File Format: CPG BIOS Executable for Windows/DOS
File Name: Latitude_E6520_A22.exe
File Size: 5.81 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
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.
To ensure the integrity of your download, please verify the checksum value.
MD5:
46110bb37a1f0ba5446efb193440a347
SHA1:
ad501808e8bb4b3f2297e50c70146c9da25c9497
SHA-256:
c73f056e1c63f1b457e94825dce9d3f30907d54e82ff7fa4de971ed46c64646c

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

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Note:
- If BIOS version A04 or any previous version is installed on your system, then update to version A05 before installing the latest version. You can download version A05 from www.dell.com/support/home/us/en/19/Drivers/DriversDetails?driverId=NX451.
- If BIOS version A05 or any version between A05 and A08 is installed on your system, then update to version A08 before installing the latest version. You can download version A08 from www.dell.com/support/home/us/en/19/Drivers/DriversDetails?driverId=K0T3Y.
Dell Latitude E6520
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_5530_X.Y.Z.exe
Where C is the drive letter of the USB device where the executable file is located and Precision_5530_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.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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