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_7X20_1.1.2.exe
File size: 18.35 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 924eccab4279f91e04f6ec359e2b5fe1
SHA1: 1d6509d1d402b74d8ba869cda131da91f2bca5c9
SHA-256: 1b3120ff498c0aa97f47a5f77b6a9c4107973303804020a8dbd9e75945e5c5ad
File Format: This file format contains plain text which can be viewed with a standard text editor.
File Name: Third-party License.txt
File size: 1.17 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: fcf94f322af0e9ea2c8e7653119f536e
SHA1: 38221f0be18db3b392359d21beda45372a48f723
SHA-256: 6712dba91fdc70396b373e98587ec4669e8c8b0e24e1bcda8dce94e11c96abd4
Fixes & Enhancements
- Improved the thermal stability of the system.
- Updated the Embedded Controller Engine firmware.
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.
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.
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.
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 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 progress bar at the Dell logo screen. The system restarts again when the update is complete.
Applies to
Dell Latitude 7320/7420/7520 System BIOS