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_5290_2In1_1.5.1.exe
File size: 13.59 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 786d970466969a914ca3ffc0283710ac
SHA1: 6fdc4d232559452b745e1869263b400f8c1c62fc
SHA-256: 6c0dbdcc49d2953ac2022c64ce24f58851228a2cb00768cb8bd538d654732230
File Format: This file format contains plain text which can be viewed with a standard text editor.
File Name: PebbleCreekMLK_1.5.1_ReleaseNotes.txt
File size: 6.85 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: 7204174a19b4c771eb0ebdb8b6b6631c
SHA1: 95b421e2ee1276d1022c41df6e39d933e07e8e5e
SHA-256: 6b818f4bc78a8c11edca52b0247f2a9f6ed1fabf94b1cfe4f662c0141b67430a
Fixes & Enhancements
Fixes:
- Fixed the issue where the system stops responding when you hot swap a Dell dock that is connected to an external monitor.
- Fixed the issue where the system does not resume from sleep mode. This issue occurs when you undock the system from either a Dell WD15 or Dell TB16 docking station with USB power share enabled.
- Fixed the issue where Dell Dock WD15 loses power when connected to a system with low battery.
- Fixed the issue with some processors not supporting Turbo Boost.
- Fixed the WLAN connection issue that occurs when Secure Digital (SD) card is disabled in the BIOS setup.
- Fixed the issue where an incomplete warning message is displayed when you connect an incompatible docking station.
Enhancements:
- Updated the Thermal Algorithm for performance.
- Enhanced the supportability for BIOS attribute management through Windows Management Instrumentation service.
- Replaces the Absolute Software service from Computrace to Absolute Persistence Module service.
- Enhanced SMM Security Mitigation feature.
- Updated the Embedded Controller Engine firmware.
- Reduces the amount of peak current that flows from a power source that is connected to the USB Type-C port.
Important Information
Once BIOS is updated, you cannot downgrade BIOS EXE/Recovery (RCV) to the version before 1.1.3.
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 new file.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.
Applies to
DELL Latitude 5290 2-IN-1