Dell Inspiron 5458/5558/5758 HSW/BDW 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 : RGH3W

Importance : Critical

Version : A16, A16 Latest version Recommended version Latest and Recommended version

Release Date : 30 Oct 2018

Download Type : System BIOS

Category : BIOS

This package contains the BIOS update for Dell Inspiron 5458/5558/5758 systems that run Windows and DOS operating systems. BIOS is a firmware that is embedded on a small memory chip on the computer's system board. It controls the keyboard, monitor, disk drives and other devices. This package contains the updated CPU microcode that addresses the Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 & CVE-2018-3640).

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: Inspiron_5458_A16.exe

File size: 5.15 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: 3b57810abb80d7e05dee9267095546f9

SHA1: 84bec4d1cc22dbbc552d03c43ee1ba3c7764db60

SHA-256: edf59935a794757904fc94427d3066239452a5b5af5ee4f5badffb60c4a35f51

Download .EXE

Installation instructions

Updating the BIOS through Windows
1. Click Download File, to download the file.
2. When the File Download window is displayed, click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file and double-click the new file.
Windows System restarts automatically and update BIOS at the system startup screen.
After BIOS update is completed, system will reboot automatically to take effect.

Updating the BIOS from a DOS environment with Legacy boot mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB drive.
2. Power on the system and then Press F12 key and Select USB Storage Device and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable file is located.
DOS System restarts automatically and update BIOS at system startup screen.
After BIOS update is completed, system will reboot automatically to take effect.

Updating the BIOS from a DOS environment with UEFI boot mode (Non-Windows users, Load Legacy Option Disabled)
1. Copy the downloaded file to a bootable DOS USB drive.
2. Power on the system and then go to BIOS Setup by pressing F2 key and go to General > Boot Sequence > Boot > Boot List Option.
3. Change UEFI to Legacy of Boot List Option.
4. Go to Exit > Save Changes and reboot system.
5. Press F12 and then Select USB Storage Device and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable file is located.
DOS System restarts automatically and update BIOS at system startup screen.
After the BIOS update is finished, system will reboot automatically.
7. Go to BIOS Setup by pressing F2 key and go to General > Boot Sequence > Boot > Boot List Option.
8. Change Legacy to UEFI Boot Option.
9. Go to Exit > Save Changes and reboot system.

Dell Inspiron 5458/5558/5758 HSW/BDW System BIOS

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Fixes & Enhancements

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to