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 3443/3543/5749 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 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.
To view all drivers for your Inspiron 3543, go to Drivers and downloads.
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3443A13.EXE | 5.91 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.

File Format: CPG BIOS Executable for Windows/DOS
File Name: 3443A13.EXE
File Size: 5.91 MB
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:
28f0d523a77987743ef1d54baad36de6
SHA1:
7e7aee714032f64f292f289867f1b3eb332a764c
SHA-256:
9c4e9cc10413dfe4de0acd10326416c53fc3dabf7e393c3114b870c4cb858cff

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

- Firmware updates to address the Intel Security Advisory INTEL-SA-00320 (CVE-2020-0543).
Read More

Version

A13, A13

Release date

25 Sep 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.
View Important Information

File Format: BIOS Recovery Image File
File Name: BIOS_IMG.rcv
File Size: 6.25 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:
7b81592cf2f50d74dd13bc662688ba1d
SHA1:
10be35f91d1e26414d2518e19fed9c53a02749fa
SHA-256:
37280d0508502155904bea98834288c716a9f1a47fdfcc945173050ebbf7cf1a

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

Additional details

Show All | Hide All
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.
A1210 Aug 2020
A1126 Sep 2019
A1019 Jul 2018
A0924 Feb 2018
A0826 May 2016
A0718 Nov 2015
A0630 Jul 2015
A0423 Jun 2015
A0317 Mar 2015
A00, X3509 Jan 2015
SW,BIOS,3543
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.

Need help with BIOS issues?

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

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