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 System BIOS

Restart required AUTO 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 that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. This package addresses the Intel Security Advisory INTEL-SA-00241. A security advisory is a statement when a product is impacted by a security vulnerability and a remedy is available.
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Fixes & Enhancements

Fixes:
- Firmware updates to address security advisory INTEL-SA-00241 (CVE-2019-11105, CVE-2019-11104, CVE-2019-11103, CVE-2019-11090, CVE-2019-0165, CVE-2019-0168, CVE-2019-11087, CVE-2019-11101, CVE-2019-11106, CVE-2019-11108, and CVE-2019-11147).
- Fixed a BIOS Setup configuration issue that occurs after clearing the CMOS.
- Fixed an issue with preboot TPM detection and error logging.
- Removed the IpSec driver and application.
- Fixed the issue where the system disconnects from the LAN connection.

Enhancements:
- Added an enhancement to extend the BIOS password configuration measurements into the TPM.
- Removed unsupported BIOS Setup items.
- Updated the Embedded Controller Engine firmware.
- Updated the NVIDIA video BIOS.
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Version

1.4.0, 1.4.0

Release date

19 Dec 2019

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
File Format: CPG BIOS Executable for Windows/DOS
File Name: Inspiron_3493_3593_3793_5493_5593_140.exe
File Size: 14.73 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:
f9b2b4a05105eb6b4e4eefe9a6cc6173
SHA1:
07f88f8b541fed107441fd827fb9290e4d1d80b7
SHA-256:
c2c44976c184ffc230008f8cf45f39b11c9c602e798a55d5552a8f8f10336249

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

Additional details

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Loki N5 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 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.

Download and Installation
1. Click Download File, to download the file.
2. 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.
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 BIOS Boot Menu (independent of operating system)

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.

Installation
1. Copy the downloaded file to a USB drive. The USB drive does not need to be bootable device.
2. Insert the USB drive into any USB port.
3. Power on the system.
4. At the DELL logo screen, press F12 to access the one-time boot menu.
5. Select BIOS Flash Update in the Other Options section.
6. Click the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click Ok.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a progress bar at the Dell logo screen. The system restarts again when the update is complete.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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