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_7X00_1.5.4.exe
File size: 21.37 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 33f390ead11bd31b2b05368245fb5709
SHA1: 6c5b6548c13bd0907af526bd5ce808cbc92c9ba0
SHA-256: 497ce1640d59f1fb16cfcbb06de2f3cce12299ec61a49f149a86fb5bede66e73
File Format: This file format contains plain text which can be viewed with a standard text editor.
File Name: Latitude_7X00_1.5.4.txt
File size: 7.98 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: e9de9addb3afe9b3c96959923882ae83
SHA1: d29b469978bb6ab51e50faa4c4890b6cfef83f1f
SHA-256: 81b58e8c78fcf9e1e24e85898dd8907fffe62177f887702b13a56637d0481564
Fixes & Enhancements
Fixes:
- Fixed the issue where the system supports boot through Realtek USB LAN.
- Fixed the issue where the system always boots to Rufus formatted USB drives instead of internal hard drive.
- Removed the IpSec driver and application.
- Fixed the issue where the operating system prompts for BitLocker Recovery key while booting.
- Supports the ePrivacy touch panel.
Enhancement:
- Enhanced the thermal stability of the system.
- Enhanced Lid Switch feature to control Lid function in BIOS setup.
- Enhanced the design of the audio port.
- Updated the Embedded Controller Engine firmware.
- Updated the alert message that is displayed when Dell Thunderbolt Dock WD19TB is connected to systems with Non-Thunderbolt port.
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 it 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.
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 file.
4. Click Yes to open the BIOS update utility.
5. Click Update to initiate the update process. A progress bar is displayed.
6. Click Restart to restart the system once the progress bar reaches 100%.
The update process initiates at the Dell logo and an update initiation message is displayed with a progress bar. The system shuts down after the update is complete.
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 it 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.