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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 : 65X65
Importance : Critical
Version : 1.3.8, 1.3.8 Latest version Recommended version Latest and Recommended version
Release Date : 14 Aug 2018
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.

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_5X91_Precision_3530_1.3.8.exe
File size: 10.89 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 712c1b4b075f772ade7e6010f476c50d
SHA1: f94ee332a5e90c6d24e9fa6de185fbed1a8a99cf
SHA-256: 7d4d8e1a9ee27301c4c6a75baf2ad20d34b3db979385ca451fb9b1edcb077f68
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_1.3.8.txt
File size: 2.42 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: 55f489c5b78ce47adb57f16a90b99eb6
SHA1: 41436c015ca6697b95b45340c5c492882cf74914
SHA-256: b7a22e9b43d7f073731a3925e4ae026f822cf75c3c328035549f505647df2217
Download .TXT