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 3442,3542 and 5748 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 update addresses the Intel security advisory INTEL-SA-00233. A security advisory is a statement when a product is impacted by a security vulnerability and a remedy is available.
To view all drivers for your Inspiron 3542, go to Drivers and downloads.
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3442A15.EXE | 5.65 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: 3442A15.EXE
File Size: 5.65 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:
40c923b544295ca5206b77cb974f34db
SHA1:
d7aa86d4c7d724628ecd82d2c3f207a7a22ec87c
SHA-256:
304e962914e5942ee7ac536c0d71da2e2fd424fc57cd1df812d7a2faf56bf33f

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

Fixes & Enhancements

- Firmware updates to address security advisories INTEL-SA-00233(CVE-2018-12126,CVE-2018-12127,CVE-2018-12130 and CVE-2019-11091).
Read More

Version

A15, A15

Release date

26 Sept 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.

File Format: External release notes
File Name: 3442A15_external.txt
File Size: 555 Bytes
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format contains plain text which can be viewed with a standard text editor.
To ensure the integrity of your download, please verify the checksum value.
MD5:
ce6df842af4b3035ead32ce8a9a2af6a
SHA1:
d48be1f41135cdd59ca10924f837e35caed88bbf
SHA-256:
02cdf30b00bd85c80f65cc208e0dc8b407959b09d7176d52245282b9b1775be4

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

Additional details

Show All | Hide All
A1624 Sept 2020
A1406 Aug 2018
A1324 Feb 2018
A1227 May 2016
A1027 Jan 2016
A1127 Jan 2016
A0918 Nov 2015
A0830 Jul 2015
A0615 Feb 2015
A0519 Nov 2014
A0418 Sept 2014
Dell Inspiron 3442,3542,5748
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 DOS (Non-Windows users)

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 power or interrupt the BIOS update process during the update.

Installation
Note: You must provide a bootable USB drive. This executable file does not create the DOS system files.
1. Copy the downloaded file to a bootable USB drive.
2. Power on the system and then Press the F12 key.
3. Select USB Storage Device and boot to the DOS prompt.
4. Run the file by typing following command. For example:
C:\ Latitude_3440_X.Y.Z.exe
Where C is the drive letter of the USB device where the executable file is located and Latitude_3440_X.Y.Z.exe is the name of the downloaded 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 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.

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.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, the system restarts again.
8. Go to BIOS Setup by pressing the F2 key and go to General > Boot Sequence > Boot > Boot List Option.
9. Change Legacy to UEFI Boot Option.
10. Go to Exit > Save Changes and reboot the system.

Need help with BIOS issues?

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

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