Dell Latitude 5491/5591 and Precision 3530 System BIOS

Restart required

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

Before updating, please read the installation instructions and important information noted below.

Driver Id : 7JK5P

Importance : Critical

Version : 1.6.1, 1.6.1 Latest version Recommended version Latest and Recommended version

Release Date : 25 Feb 2019

Download Type : System BIOS

Category : BIOS

This package contains the Dell system BIOS update and is supported on Dell Latitude 5491, 5591, and Precision 3530 systems that run Windows operating 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.

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_5X91_Precision_3530_1.6.1.exe

File size: 11.17 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: ce81b69d41c55806cd566da45f25780a

SHA1: 8c5a1a669bb588258899c27743136959bbed7d76

SHA-256: 82ad402326821e895f66333ecd6716429aaa4aefa3c86598120848c605c69f97

Download .EXE

File Format: This file format contains plain text which can be viewed with a standard text editor.

File Name: Latitude_5X91_Precision_3530_1.6.1.txt

File size: 6.01 KB

To ensure the integrity of your download, please verify the checksum value.

MD5: a59d0fa21e77668aca4dbc059447a41f

SHA1: 663376e578753c6516203540cbfcde189c6c57ea

SHA-256: 75f060cb6330d1f6442ec1f4b25ce283108d44f59c95921898d7d299f9dc2f00

Download .TXT

Fixes & Enhancements

Fixes:
- Fixes the issue where the mouse lags when the Dell TB16 dock is unplugged or plugged in.
- Fixes the issue where the system cannot set hard drive password with Dell Client Configuration Toolkit.
- Fixes the issue where the system always boots to Rufus formatted USB drives instead of the internal hard drive.
- Fixed an issue with Secure Boot Option ROM Signature Verification.

Enhancements:
- Updated the Embedded Controller Engine firmware.

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.
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.

Dell Latitude 5491/5591 and Precision 3530 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to