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.

Dell Inspiron 3493/3593/3793/5493/5593 and Vostro 3491/3591 System BIOS

Restart required Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
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.
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Fixes & Enhancements

- Fixed the issue where the Auto-Play option does not work, and the CD/DVD information fails to display, when a CD/DVD is inserted into the optical drive.
- Fixed the issue where the combination of keys Fn+/ does not work on Portuguese keyboards.
Read More

Version

1.7.0, 1.7.0

Release date

24 Mar 2020

Download Type

System BIOS

Category

BIOS

Importance

Critical
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
Available formats View Important Information
File Format: CPG BIOS Executable for Windows/DOS
File Name: Inspiron_Vostro_3493_3593_3793_5493_5593_3491_3591_170.exe
File Size: 14.94 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
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.
To ensure the integrity of your download, please verify the checksum value.
MD5:
e263a8105de9bc23871f11d968e2bf80
SHA1:
1feb8dbdc5f5ed70b8e9070c9a93a6d2e9dd0504
SHA-256:
becbeecf76d10521561f1b07d8b125573981b276ca085bd1d75d5267164bf610
File Format: BIOS Recovery Image File
File Name: BIOS_IMG.rcv
File Size: 14.93 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
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.
To ensure the integrity of your download, please verify the checksum value.
MD5:
9b496ba12302bf8ff246cc1885c935d8
SHA1:
531286f055bf89b8e55296e6b1411e2351b5b995
SHA-256:
6e4acb09d1c9dcd3a975532b2bd3f34202ceaa75b5d927bc433910be0162aeee

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

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- BIOS updates take no more than 5 minutes to be installed on your system. You can install the updates in the background while using the system.
Loki N5 MLK ICL series System BIOS
Loki V3 MLK ICL series System BIOS
Updating the BIOS from Windows

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Download and Installation
1. Click Download File.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file.
4. Double-click the new file.
5. The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.

Updating the BIOS from DOS with UEFI boot mode enabled (Non-Windows users, Load Legacy Option Disabled)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Installation
1. Copy the downloaded file to a bootable DOS USB drive.
2. Power on the system and then go to BIOS Setup by pressing the F2 key.
3. Go to General > Boot Sequence > Boot > Boot List Option.
4. Change UEFI to Legacy of Boot List Option.
5. Go to Exit > Save Changes and reboot system.
6. Press F12 and then select USB Storage Device and boot to the DOS prompt.
7. Run the file by typing the file name.
8. The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, the system restarts again.
9. Go to BIOS Setup by pressing the F2 key and go to General > Boot Sequence > Boot > Boot List Option.
10. Change Legacy to UEFI Boot Option.
11. Go to Exit > Save Changes and reboot the system.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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