Skip to main content
Contact Us

Dell Latitude 5400/5500 and Precision 3540 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 : NX68H
Importance : Recommended
Version : 1.2.3, 1.2.3 Latest version Recommended version Latest and Recommended version
Release Date : 09 Sep 2019
Download Type : System BIOS
Category : BIOS
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.

Download Files

File Format: This file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
File Name: Latitude_5X00_Precision_3540_1.2.3.exe
File size: 24.13 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 9e739c45da03134d9e8e4321ba315ab0
SHA1: e51d65ad4c0c97e0ba3e9a0c60c0a44ed01c07ef
SHA-256: cf37c60b5d144336ef2306263393d150af1ba59ca7b98ee10254cb2662f18e74
Download .EXE
File Format: This file format contains plain text which can be viewed with a standard text editor.
File Name: Latitude_5X00_Precision_3540_1.2.3.txt
File size: 1.99 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: c8bfa1f869e9ad2408ee43f08e2c5813
SHA1: ffd70c699eb3d4a309b9ed87d4bab51c0daf4c72
SHA-256: 73a000149a9514e8c2180179902b5d6f1c7f9e5b0fe93645b208a69c3c8434f7
Download .TXT