Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

Dell Precision 5540 System BIOS

Restart required
This package contains the Dell system BIOS update. BIOS is a firmware that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. This update addresses the Intel Security Advisories INTEL-SA-00241, INTEL-SA-00220, INTEL-SA-00260, INTEL-SA-00254, INTEL-SA-00219, INTEL-SA-00270, INTEL-SA-00240, and INTEL-SA-00164. A security advisory is a statement when a product is impacted by a security vulnerability and a remedy is available.

Get the latest driver

An updated version of this driver may be available.

This driver is up-to-date

The driver information is up-to-date. To view all drivers for your Precision 5540, go to Drivers & Downloads.

Fixes & Enhancements

- Firmware updates to address security advisory INTEL-SA-00241 (CVE-2019-0169, CVE-2019-11105, CVE-2019-11104, CVE-2019-11103, CVE-2019-11090, CVE-2019-0165, CVE-2019-0168, CVE-2019-11087, CVE-2019-11101, CVE-2019-11106, CVE-2019-11108, CVE-2019-11147, CVE-2019-11088, CVE-2019-0131, CVE-2019-0166, CVE-2019-11100, CVE-2019-11107, CVE-2019-11086, CVE-2019-11132, and CVE-2019-11131).
- Firmware updates to address Intel security advisories INTEL-SA-00220 (CVE-2019-0124), INTEL-SA-00260 (CVE-2019-0154), and INTEL-SA-00254 (CVE-2019-0185).
- Firmware updates to address Intel security advisories INTEL-SA-00219 (CVE-2019-0117), INTEL-SA-00220 (CVE-2019-0123), and INTEL-SA-00270 (CVE-2019-11135).
- Firmware updates to address Intel security advisories INTEL-SA-00240 (CVE-2019-0151) and INTEL-SA-00164 (CVE-2019-0184).
- Fixed a BIOS Setup configuration issue that occurs after clearing the CMOS.
- Fixed an issue with preboot TPM detection and error logging.
- Removed the IpSec driver and application.
- Fixed the issue where the BitLocker prompts for recovery. It occurs when Auto Power On option in BIOS setup is set to wake up the system at a specific time.
- Fixed the issue where the system cannot be charged while connecting to a USB Type-C adapter.

- Updated the Dell Firmware Update Utility.
- Added a new feature to automatically suspend BitLocker before upgrading the firmware. After the firmware upgrade is complete, BitLocker is automatically enabled.
- Added an enhancement to extend the BIOS password configuration measurements into the TPM.
- Modified battery algorithm to prolong lifespan and minimize risk of swelling.


Version 1.4.0, 1.4.0



Release date

04 Dec 2019

Last Updated

04 Dec 2019


Available formats

File Format: Windows/DOS
File Name: Precision_5540_1.4.0.exe
Download Type: HTTP
File Size: 20.44 MB
Format Description:
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.
To ensure the integrity of your download, please verify the checksum value.

By downloading, you accept the terms of the Dell Software License Agreement.

1.5.0 14 Jan 2020
1.3.3 16 Oct 2019
1.2.3 31 Jul 2019
1.1.1 01 Jul 2019
1.0.0 20 Jun 2019
Precision 5540 System BIOS
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.

Drivers help and tutorials