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_5X80_Precision_3520_1.25.0.exe
File size: 22.39 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 76fd3f76fac67a15d2f565b59bb35782
SHA1: 364ef17ea15eb8c35412b60137d2fedcabc7cff3
SHA-256: ad25f5be08fc3c6f296fcc95d9d5fd5b3cbf75d2074d5edbd27835ca051a7a49
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: 22.38 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 6d9e5b925875aab65dfbd53ce123c50e
SHA1: 607fdc344fe0cbe7eeef6b9a7dc3f60250d2bc4f
SHA-256: 5c72b0b988b50f0ba0806d82b01b566c4e99b74379b627c40c0fb89f0e06cb56
Fixes & Enhancements
- Fixed the issue where TPM could not be initialized message is displayed after updating the Trusted Platform Module (TPM) firmware.
- Fixed the issue where the Dell logo that is displayed when you update the BIOS is bigger. This issue occurs when you connect a 4K monitor.
Important Information
- 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.
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. 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.
5. 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.
Applies to
Latitude 5280/5480/5580, Precision 3520