Dell ChengMing 3990/3991 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 : HXH8W
Importance : Critical
Version : 1.31.1, 1.31.1 Latest version Recommended version Latest and Recommended version
Release Date : 12 Dec 2024
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: ChengMing_3990_3991_1.31.1.exe
File size: 30.75 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 06d8cf50b077e41cd041631469c7f754
SHA1: 0fff3cd5c8aa469192d41f18aae82182fd8ee72d
SHA-256: 712e570a95eb2f520aff0409c00386e49002d2aa145ef99d4dea17666006feb1
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: 30.74 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 00c1b1a6189e06678bfbc38a7c016250
SHA1: 475c50e714b135e046b385e92ac0d61390e4efdf
SHA-256: b5ccf90f4b48c4d3412546a9e33d7de369ab2d77a65cfbdba2a86a023f577d49
Download .RCV