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Dell Inspiron 3458 and 3558 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.
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Driver Id : 9DX4T
Importance : Critical
Version : A21, A21 Latest version Recommended version Latest and Recommended version
Release Date : 24 Sep 2020
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 Intel Security Advisory INTEL-SA-00320. 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: 3458A21.exe
File size: 5.11 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: a240299db246155ee2c0a7175341545e
SHA1: 7c696845b80fcb59f22a1e2f8dbe295f3b4254a5
SHA-256: 5026e35a57994f04c12afbf4f478f0f167a78096c21c48f826775cbd5b8da8c9
Download .EXE