Dell Precision 3530 and Latitude 5491/5591 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.
hi testing
Driver Id : 1D93C
Importance : Critical
Version : 1.38.0, 1.38.0 Latest version Recommended version Latest and Recommended version
Release Date : 11 Jul 2025
Download Type : System BIOS
Category : BIOS
This package contains the Dell system BIOS update. BIOS is a firmware package 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 Dell Security Advisories (DSA). A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.

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_1.38.0.exe
File size: 14.87 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 545c40c071186f5554e890b83d2d9546
SHA1: a7c2e9b104dc5198fe8bb823479431384ce358dc
SHA-256: b8fafb4bf3c38305314ed978818235144a12d3d09a5c09a41d8a07ade1444aa2
Download .EXE
File Format: This file format consists of a BIOS Recovery image file. This file is used for the System BIOS Recovery process to recover a system from a corrupted BIOS.
File Name: BIOS_IMG.rcv
File size: 14.87 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 545c40c071186f5554e890b83d2d9546
SHA1: a7c2e9b104dc5198fe8bb823479431384ce358dc
SHA-256: b8fafb4bf3c38305314ed978818235144a12d3d09a5c09a41d8a07ade1444aa2
Download .RCV