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 BIOS update for Dell Precision 5540 system. 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.

Fixes & Enhancements

Fixes:
- Fixed the issue where other devices get detected when Thunderbolt Adapter Configuration is set to Display port and USB only.
- Corrects HDD password authentication policy.

Enhancements:
- Enhanced the compatibility of Jabra office headset when connected to Dell Docking Station WD19.

Version

Version 1.1.1, 1.1.1

Category

BIOS

Release date

01 Jul 2019

Last Updated

01 Jul 2019

Importance

Available formats

File Format: Windows/DOS
File Name: Precision_5540_1.1.1.exe
Download Type: HTTP
File Size: 13.6 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.
MD5:
b682d17dba379800f00e477ddbd2fba8
SHA1:
fd940262d779d6ef87465d247dc514a7077ca659
SHA-256:
50e659b7a761bdc14dd1ee0cbab20ace9d3aac647fff7886bf7768bb3aa538d5

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

1.5.0 14 Jan 2020
1.4.0 04 Dec 2019
1.3.3 16 Oct 2019
1.2.3 31 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 BitLocker is not enabled on your system, you can ignore this step.
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.

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