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: Latitude_E6520_A22.exe
File size: 5.81 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 46110bb37a1f0ba5446efb193440a347
SHA1: ad501808e8bb4b3f2297e50c70146c9da25c9497
SHA-256: c73f056e1c63f1b457e94825dce9d3f30907d54e82ff7fa4de971ed46c64646c
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
Important Information
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.
Supported Operating Systems
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_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.