Alienware x14 System BIOS

Restart required

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.

hi testing

Driver Id : 1N1K9

Importance : Critical

Version : 1.26.0, 1.26.0 Latest version Recommended version Latest and Recommended version

Release Date : 18 Jun 2025

Download Type : System BIOS

Category : BIOS

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.

Download Files

File Format: 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.

File Name: Alienware_x14_1.26.0.exe

File size: 9.09 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: 4ed6b6400d6dcf1d272e2707232f7e81

SHA1: d85efcdb0809912891a1cea9b0d3900ee0ff7ac8

SHA-256: 63f74110a7df74d1f0886b4ae59b7838c64a93ffc37e27da6d1e77238fbf57c2

Download .EXE

File Format: 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.

File Name: BIOS_IMG.rcv

File size: 18.19 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: 2496c632a40ff7b58496ea82746c9fc1

SHA1: 10cb83790bcf532c662aabb5ebefbd3173daf177

SHA-256: ca3ffce34b83cf4401803ad28d80228593f5058aa3089b71a3081474071367a5

Download .RCV

Fixes & Enhancements

- This release contains security updates as disclosed in the Dell Security Advisories DSA-2025-048 and DSA-2025-129. The DSA details are published on the Security Advisories, Notices, and Resources page, once they are publicly available. For more information about the release schedule, see Dell Client Drivers and Downloads Update Release Schedule.

Important Information

- Once the BIOS is upgraded, you cannot downgrade the BIOS to version 1.2.1 or earlier due to downgrade restrictions. 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.

Installation instructions

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.

Alienware x14 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to