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 3891 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 Dell Security Advisories (DSA). 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 3891, go to Drivers and downloads.
Recommended
Loading the latest available version of the driver...

This is the latest Dell validated version of this driver

This is not the latest Dell validated version of this driver

Inspiron_3891_1.23.0.exe | 22.62 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.
Download Go to Latest Version
Show details | Download current version instead | View other downloadable formats
File Format: CPG BIOS Executable for Windows/DOS
File Name: Inspiron_3891_1.23.0.exe
File Size: 22.62 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:
17848734883d5c8b0a6eff73941be837
SHA1:
09998955233a6f05528c26f967bca329b23304d2
SHA-256:
0bf2e0fd56394d11655bddd0174faf79126517721eb37231f45d683bdbe79ef6

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

Fixes & Enhancements

- This release contains security updates as disclosed in the Dell Security Advisory DSA-2024-030. For more information, see Dell Security Advisories and Notices.
- Fixed the issue where the system stops responding at the BIOS Auto-Recovery screen when you update the BIOS.
- Fixed the issue where the system updates the BIOS after you resume it from Sleep mode. This issue occurs when you try to update the BIOS in silent mode by using the Command prompt then enter the sleep mode.
Read More

Version

1.23.0, 1.23.0

Release date

08 Mar 2024

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: 22.61 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:
a7b5d38d86b1a7ec3217c800e46b0b03
SHA1:
598f941c3c13543bead0a4161c2271a6375fce4c
SHA-256:
16de2213ffc5b499c2b1ee0ba6945ee1ce259c404f9a022306447be5f8bf5684

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

Additional details

Show All | Hide All
- Once the BIOS is upgraded, you cannot downgrade the BIOS to version 1.13.90 or earlier. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- 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.
1.24.011 Apr 2024
1.22.106 Feb 2024
1.21.113 Dec 2023
1.19.009 Aug 2023
1.18.112 Jun 2023
1.17.012 Apr 2023
1.16.008 Mar 2023
1.15.116 Feb 2023
1.15.011 Jan 2023
1.14.019 Dec 2022
1.13.011 Nov 2022
1.12.017 Oct 2022
1.11.014 Sep 2022
1.10.008 Aug 2022
1.9.112 Jul 2022
1.8.210 Jun 2022
1.7.009 May 2022
1.6.012 Apr 2022
1.5.010 Mar 2022
1.4.112 Jan 2022
1.3.109 Dec 2021
1.2.216 Nov 2021
1.0.2119 Oct 2021
1.0.2029 Sep 2021
1.0.1430 Jul 2021
1.0.1316 Jul 2021
1.0.911 May 2021
Insprion 3891
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.
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 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 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 USB drive. You do not need a bootable USB drive.
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 Flash Progress bar at the Dell logo screen. The system restarts again when the Flash update is complete.

Need help with BIOS issues?

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

Drivers help and tutorials