Dell Precision 3640 Tower 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 : KNND7
Importance : Critical
Version : 1.38.0, 1.38.0 Latest version Recommended version Latest and Recommended version
Release Date : 03 Apr 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: Precision_3640_1.38.0.exe
File size: 38.89 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: d83b7cd44e81d3d96f7c35a25eb38f57
SHA1: ef30a96f6a2153d1fac2a8a280bc35b329611782
SHA-256: d70596902b5d126e01222937d94a799500e579561b3ace4c48826830cb449a23
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: RCV_IMG.rcv
File size: 38.89 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: d83b7cd44e81d3d96f7c35a25eb38f57
SHA1: ef30a96f6a2153d1fac2a8a280bc35b329611782
SHA-256: d70596902b5d126e01222937d94a799500e579561b3ace4c48826830cb449a23
Download .RCV